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LM3280

  

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TI
Texas Instruments
LM3280 Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

DESCRIPTION
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET. The step down converters output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels. The LDO operates a nominal output voltage of 2.85V and maximum load current capability of 20mA for a reference voltage required by linear RF power amplifiers. The LM3280 additionally features a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free DSBGA package.

FEATURES
• 2MHz (typ.) PWM Switching Frequency
• Operates from a Single Li-Ion Cell (2.7V to 5.5V)
• Adjustable Output Voltage (0.8V to 3.6V) DC DC
• High-Efficiency Synchronous Buck Converter
• 300mA Maximum Load Capability (PWM Mode)
• 500mA Maximum Load Capability (Bypass mode)
• PWM, Forced and Automatic Bypass Mode
• 3 Low-Dropout and Fast Transient Response LDOs
• 16-pin DSBGA Package
• Current Overload Protection
• Thermal Overload Protection

APPLICATIONS
• Cellular Phones
• Hand-Held Radios
• Battery Powered RF Devices


other parts : LM3280TL-275/NOPB  LM3280TL/NOPB  LM3280TL  
LM3280 PDF
National-Semiconductor
National ->Texas Instruments
LM3280 Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

General Description
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET. The step down converters output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels. The LDO operates a nominal output voltage of 2.85V and maximum load current capability of 20mA for a reference voltage required by linear RF power amplifiers. The LM3280 additionally features a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free micro SMD package.

Features
■ 2MHz (typ.) PWM Switching Frequency
■ Operates from a single Li-Ion cell (2.7V to 5.5V)
■ Adjustable Output Voltage (0.8V to 3.6V) DC-DC
■ High-efficiency synchronous buck converter
■ 300mA Maximum load capability (PWM mode)
■ 500mA Maximum load capability (Bypass mode)
■ PWM, Forced and Automatic Bypass Mode
■ 3 Low-dropout and fast transient response LDOs
■ 16-pin micro SMD Package
■ Current Overload Protection
■ Thermal Overload Protection

Applications
■ Cellular Phones
■ Hand-Held Radios
■ Battery Powered RF Devices


other parts : LM3280TL  LM3280TLX  LM3280TL-275  LM3280TLX-275  LM3280TL-280  LM3280TLX-280  LM3280TL-290  LM3280TLX-290  
LM3280 PDF
National-Semiconductor
National ->Texas Instruments
LM3280TL Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

General Description
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET. The step down converters output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels. The LDO operates a nominal output voltage of 2.85V and maximum load current capability of 20mA for a reference voltage required by linear RF power amplifiers. The LM3280 additionally features a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free micro SMD package.

Features
■ 2MHz (typ.) PWM Switching Frequency
■ Operates from a single Li-Ion cell (2.7V to 5.5V)
■ Adjustable Output Voltage (0.8V to 3.6V) DC-DC
■ High-efficiency synchronous buck converter
■ 300mA Maximum load capability (PWM mode)
■ 500mA Maximum load capability (Bypass mode)
■ PWM, Forced and Automatic Bypass Mode
■ 3 Low-dropout and fast transient response LDOs
■ 16-pin micro SMD Package
■ Current Overload Protection
■ Thermal Overload Protection

Applications
■ Cellular Phones
■ Hand-Held Radios
■ Battery Powered RF Devices


other parts : LM3280  LM3280TLX  LM3280TL-275  LM3280TLX-275  LM3280TL-280  LM3280TLX-280  LM3280TL-290  LM3280TLX-290  
LM3280TL PDF
TI
Texas Instruments
LM3280TL Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

DESCRIPTION
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET. The step down converters output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels. The LDO operates a nominal output voltage of 2.85V and maximum load current capability of 20mA for a reference voltage required by linear RF power amplifiers. The LM3280 additionally features a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free DSBGA package.

FEATURES
• 2MHz (typ.) PWM Switching Frequency
• Operates from a Single Li-Ion Cell (2.7V to 5.5V)
• Adjustable Output Voltage (0.8V to 3.6V) DC DC
• High-Efficiency Synchronous Buck Converter
• 300mA Maximum Load Capability (PWM Mode)
• 500mA Maximum Load Capability (Bypass mode)
• PWM, Forced and Automatic Bypass Mode
• 3 Low-Dropout and Fast Transient Response LDOs
• 16-pin DSBGA Package
• Current Overload Protection
• Thermal Overload Protection

APPLICATIONS
• Cellular Phones
• Hand-Held Radios
• Battery Powered RF Devices


other parts : LM3280  LM3280TL-275/NOPB  LM3280TL/NOPB  
LM3280TL PDF
National-Semiconductor
National ->Texas Instruments
LM3280TLX Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

General Description
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET. The step down converters output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels. The LDO operates a nominal output voltage of 2.85V and maximum load current capability of 20mA for a reference voltage required by linear RF power amplifiers. The LM3280 additionally features a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free micro SMD package.

Features
■ 2MHz (typ.) PWM Switching Frequency
■ Operates from a single Li-Ion cell (2.7V to 5.5V)
■ Adjustable Output Voltage (0.8V to 3.6V) DC-DC
■ High-efficiency synchronous buck converter
■ 300mA Maximum load capability (PWM mode)
■ 500mA Maximum load capability (Bypass mode)
■ PWM, Forced and Automatic Bypass Mode
■ 3 Low-dropout and fast transient response LDOs
■ 16-pin micro SMD Package
■ Current Overload Protection
■ Thermal Overload Protection

Applications
■ Cellular Phones
■ Hand-Held Radios
■ Battery Powered RF Devices


other parts : LM3280  LM3280TL  LM3280TL-275  LM3280TLX-275  LM3280TL-280  LM3280TLX-280  LM3280TL-290  LM3280TLX-290  
LM3280TLX PDF
National-Semiconductor
National ->Texas Instruments
LM3280TL-280 Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

General Description
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET. The step down converters output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels. The LDO operates a nominal output voltage of 2.85V and maximum load current capability of 20mA for a reference voltage required by linear RF power amplifiers. The LM3280 additionally features a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free micro SMD package.

Features
■ 2MHz (typ.) PWM Switching Frequency
■ Operates from a single Li-Ion cell (2.7V to 5.5V)
■ Adjustable Output Voltage (0.8V to 3.6V) DC-DC
■ High-efficiency synchronous buck converter
■ 300mA Maximum load capability (PWM mode)
■ 500mA Maximum load capability (Bypass mode)
■ PWM, Forced and Automatic Bypass Mode
■ 3 Low-dropout and fast transient response LDOs
■ 16-pin micro SMD Package
■ Current Overload Protection
■ Thermal Overload Protection

Applications
■ Cellular Phones
■ Hand-Held Radios
■ Battery Powered RF Devices


other parts : LM3280  LM3280TL  LM3280TLX  LM3280TL-275  LM3280TLX-275  LM3280TLX-280  LM3280TL-290  LM3280TLX-290  
LM3280TL-280 PDF
National-Semiconductor
National ->Texas Instruments
LM3280TL-275 Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

General Description
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET. The step down converters output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels. The LDO operates a nominal output voltage of 2.85V and maximum load current capability of 20mA for a reference voltage required by linear RF power amplifiers. The LM3280 additionally features a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free micro SMD package.

Features
■ 2MHz (typ.) PWM Switching Frequency
■ Operates from a single Li-Ion cell (2.7V to 5.5V)
■ Adjustable Output Voltage (0.8V to 3.6V) DC-DC
■ High-efficiency synchronous buck converter
■ 300mA Maximum load capability (PWM mode)
■ 500mA Maximum load capability (Bypass mode)
■ PWM, Forced and Automatic Bypass Mode
■ 3 Low-dropout and fast transient response LDOs
■ 16-pin micro SMD Package
■ Current Overload Protection
■ Thermal Overload Protection

Applications
■ Cellular Phones
■ Hand-Held Radios
■ Battery Powered RF Devices


other parts : LM3280  LM3280TL  LM3280TLX  LM3280TLX-275  LM3280TL-280  LM3280TLX-280  LM3280TL-290  LM3280TLX-290  
LM3280TL-275 PDF
National-Semiconductor
National ->Texas Instruments
LM3280TL-290 Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

General Description
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET. The step down converters output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels. The LDO operates a nominal output voltage of 2.85V and maximum load current capability of 20mA for a reference voltage required by linear RF power amplifiers. The LM3280 additionally features a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free micro SMD package.

Features
■ 2MHz (typ.) PWM Switching Frequency
■ Operates from a single Li-Ion cell (2.7V to 5.5V)
■ Adjustable Output Voltage (0.8V to 3.6V) DC-DC
■ High-efficiency synchronous buck converter
■ 300mA Maximum load capability (PWM mode)
■ 500mA Maximum load capability (Bypass mode)
■ PWM, Forced and Automatic Bypass Mode
■ 3 Low-dropout and fast transient response LDOs
■ 16-pin micro SMD Package
■ Current Overload Protection
■ Thermal Overload Protection

Applications
■ Cellular Phones
■ Hand-Held Radios
■ Battery Powered RF Devices


other parts : LM3280  LM3280TL  LM3280TLX  LM3280TL-275  LM3280TLX-275  LM3280TL-280  LM3280TLX-280  LM3280TLX-290  
LM3280TL-290 PDF
National-Semiconductor
National ->Texas Instruments
LM3280TLX-275 Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

General Description
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET. The step down converters output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels. The LDO operates a nominal output voltage of 2.85V and maximum load current capability of 20mA for a reference voltage required by linear RF power amplifiers. The LM3280 additionally features a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free micro SMD package.

Features
■ 2MHz (typ.) PWM Switching Frequency
■ Operates from a single Li-Ion cell (2.7V to 5.5V)
■ Adjustable Output Voltage (0.8V to 3.6V) DC-DC
■ High-efficiency synchronous buck converter
■ 300mA Maximum load capability (PWM mode)
■ 500mA Maximum load capability (Bypass mode)
■ PWM, Forced and Automatic Bypass Mode
■ 3 Low-dropout and fast transient response LDOs
■ 16-pin micro SMD Package
■ Current Overload Protection
■ Thermal Overload Protection

Applications
■ Cellular Phones
■ Hand-Held Radios
■ Battery Powered RF Devices


other parts : LM3280  LM3280TL  LM3280TLX  LM3280TL-275  LM3280TL-280  LM3280TLX-280  LM3280TL-290  LM3280TLX-290  
LM3280TLX-275 PDF
TI
Texas Instruments
LM3280TL/NOPB Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

DESCRIPTION
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET. The step down converters output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels. The LDO operates a nominal output voltage of 2.85V and maximum load current capability of 20mA for a reference voltage required by linear RF power amplifiers. The LM3280 additionally features a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free DSBGA package.

FEATURES
• 2MHz (typ.) PWM Switching Frequency
• Operates from a Single Li-Ion Cell (2.7V to 5.5V)
• Adjustable Output Voltage (0.8V to 3.6V) DC DC
• High-Efficiency Synchronous Buck Converter
• 300mA Maximum Load Capability (PWM Mode)
• 500mA Maximum Load Capability (Bypass mode)
• PWM, Forced and Automatic Bypass Mode
• 3 Low-Dropout and Fast Transient Response LDOs
• 16-pin DSBGA Package
• Current Overload Protection
• Thermal Overload Protection

APPLICATIONS
• Cellular Phones
• Hand-Held Radios
• Battery Powered RF Devices


other parts : LM3280  LM3280TL-275/NOPB  LM3280TL  
LM3280TL/NOPB PDF
National-Semiconductor
National ->Texas Instruments
LM3280TLX-280 Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

General Description
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET. The step down converters output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels. The LDO operates a nominal output voltage of 2.85V and maximum load current capability of 20mA for a reference voltage required by linear RF power amplifiers. The LM3280 additionally features a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free micro SMD package.

Features
■ 2MHz (typ.) PWM Switching Frequency
■ Operates from a single Li-Ion cell (2.7V to 5.5V)
■ Adjustable Output Voltage (0.8V to 3.6V) DC-DC
■ High-efficiency synchronous buck converter
■ 300mA Maximum load capability (PWM mode)
■ 500mA Maximum load capability (Bypass mode)
■ PWM, Forced and Automatic Bypass Mode
■ 3 Low-dropout and fast transient response LDOs
■ 16-pin micro SMD Package
■ Current Overload Protection
■ Thermal Overload Protection

Applications
■ Cellular Phones
■ Hand-Held Radios
■ Battery Powered RF Devices


other parts : LM3280  LM3280TL  LM3280TLX  LM3280TL-275  LM3280TLX-275  LM3280TL-280  LM3280TL-290  LM3280TLX-290  
LM3280TLX-280 PDF
National-Semiconductor
National ->Texas Instruments
LM3280TLX-290 Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

General Description
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET. The step down converters output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels. The LDO operates a nominal output voltage of 2.85V and maximum load current capability of 20mA for a reference voltage required by linear RF power amplifiers. The LM3280 additionally features a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free micro SMD package.

Features
■ 2MHz (typ.) PWM Switching Frequency
■ Operates from a single Li-Ion cell (2.7V to 5.5V)
■ Adjustable Output Voltage (0.8V to 3.6V) DC-DC
■ High-efficiency synchronous buck converter
■ 300mA Maximum load capability (PWM mode)
■ 500mA Maximum load capability (Bypass mode)
■ PWM, Forced and Automatic Bypass Mode
■ 3 Low-dropout and fast transient response LDOs
■ 16-pin micro SMD Package
■ Current Overload Protection
■ Thermal Overload Protection

Applications
■ Cellular Phones
■ Hand-Held Radios
■ Battery Powered RF Devices


other parts : LM3280  LM3280TL  LM3280TLX  LM3280TL-275  LM3280TLX-275  LM3280TL-280  LM3280TLX-280  LM3280TL-290  
LM3280TLX-290 PDF

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