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Description : Low Cost, Single Output 1W High Isolation SMT DC/DC Converters

Low Cost, Single Output 1W High Isolation SMT DC/DC Converters

Key Features:
•1W Output Power
•Ultra-Miniature SMT Case
•3,000 VDC Isolation
•UL Approved (File E245422)
•Single Output
Low 0.24” Profile
•>3.5 MHour MTBF
•3.3, 5V, & 12V Inputs
LowEST COST!

Cherry-Semiconductor
Cherry semiconductor
Description : Secondary Side Post Regulator for AC/DC and DC/DC Multiple Output Converters

Description
The CS5101 is a bipolar monolithic secondary side post regulator (SSPR) which provides tight regulation of multiple Output voltages in AC-DC or DC-DC Converters. Leading edge pulse width modulation is used with the CS5101.

Features
■ 1.5A Peak Output (Grounded Totem Pole)
■ 8V to 75V Gate Drive Voltage
■ 8V to 45V Supply Voltage
■ 300ns Propagation Delay
■ 1% Error Amplifier Reference Voltage
■ Lossless Turn On and Turn Off
■ Sleep Mode: < 100µA
■ Overcurrent Protection with Dedicated Differential Amp
■ Synchronization to External Clock
■ External Power Switch Drain Voltage Monitor

Description : Secondary Side Post Regulator for AC/DC and DC/DC Multiple Output Converters

Secondary Side Post Regulator for AC/DC and DC/DC Multiple Output Converters

The CS5101 is a bipolar monolithic secondary side post regulator (SSPR) which provides tight regulation of multiple Output voltages in AC/DC or DC/DC Converters. Leading edge pulse width modulation is used with the CS5101.
The CS5101 is designed to operate over an 8.0 V to 45 V supply voltage (VCC) range and up to a 75 V drive voltage (VC).
The CS5101 features include a totem pole Output with 1.5 A peak Output current capability, externally programmable overcurrent protection, an on chip 2.0% precision 5.0 V reference, internally compensated error amplifier, externally synchronized switching frequency, and a Power switch drain voltage monitor. It is available in a 14 lead plastic DIP or a 16 lead wide body SOIC package.

Features
• 1.5 A Peak Output (Grounded Totem Pole)
• 8.0 V to 75 V Gate Drive Voltage
• 8.0 V to 45 V Supply Voltage
• 300 ns Propagation Delay
• 1.0% Error Amplifier Reference Voltage
• Lossless Turn On and Turn Off
• Sleep Mode: < 100 μA
• Overcurrent Protection with Dedicated Differential Amp
• Synchronization to External Clock
• External Power Switch Drain Voltage Monitor
• Pb−Free Packages are Available*

Description : Isolated 1W Twin Output DC/DC Converters

DESCRIPTION
The NMD series of DC/DC Converters are ideally suited to applications where a potential difference exists between loads, e.g. motor control circuits. The twin Outputs offer cost and space savings by consolidating two DC/DC Converters into one package. All of the rated Power may be drawn from a single Output provided the total load does not exceed 1 watt.

FEATURES
■ RoHS compliant
■ Twin independent Outputs
■ Input/Output isolation 1kVDC
Output/Output isolation 1kVDC
Power sharing on Outputs
■ Efficiency to 80%
Power Density 0.85W/cm3
■ UL 94V-0 package material
■ Footprint from 1.17cm2
■ 5V & 12V input
■ One 5V Output (V1)
■ 3.3V, 5V, 9V, 12V and 15V Output (V2)
■ No heatsink required
■ Internal SMD construction
■ Fully encapsulated with toroidal magnetics
■ No external components required
■ MTTF up to 1.6 million hours
■ Custom solutions available
■ PCB mounting

Part Name(s) : 71128 AN731
Vishay
Vishay Semiconductors
Description : Simple Solution for Dynamically Programming the Output Voltage of DC-DC Converters

INTRODUCTION 
Figure 1 shows a typical dc-to-dc converter configuration. As in many PWM controllers, the non-inverting input of the voltage feedback error amplifier is internally connected to the reference Voltage, Vr. The Output voltage of the converter is set by a resistor divider network R1 and R2. This configuration enables a fixed Output voltage that is equal to or greater than the reference voltage. But in many Power conversion designs, it is useful to vary the Output to a value Lower than the reference voltage and to dynamically adjust the Output voltage.

 

Part Name(s) : NMT0572S NMT1272S
CD-Technologies
C and D TECHNOLOGIES
Description : Triple Output 3W DC-DC Converters

DESCRIPTION
The NMT series is a range of DC-DC Converters offering three Output voltages of –24V, –48V and –72V from a single isolated 5V or 12V input voltage. The product is designed for use with telecommunications circuits requiring an on board supply for the –72V RING-TIP connection service generated from a nominal 5V or 12V DC input supply rail. The device also offers battery level voltages of –24V and –48V for access control and data pump ICs. The product is packaged in an 8 pin SIP case for minimum PCB footprint. The rated Power may be shared or drawn from any one Output providing the total Output load does not exceed 3W.

FEATURES
■ Triple Outputs (–24V, –48V & –72V)
■ Toroidal Magnetics
■ Input/Output Isolation 1kVDC
Power Sharing on Outputs
■ Internal SMD Construction
■ Industrial Temperature Range
■ No External Components Required
Power Density 1.41W/cm3
■ UL 94V-0 Package Material

Part Name(s) : NMT0572S NMT1272S
CANDD
C AND D TECHNOLOGIES
Description : Triple Output 3W DC-DC Converters

DESCRIPTION
The NMT series is a range of DC-DC Converters offering three Output voltages of –24V, –48V and –72V from a single isolated 5V or 12V input voltage. The product is designed for use with telecommunications circuits requiring an on board supply for the –72V RING-TIP connection service generated from a nominal 5V or 12V DC input supply rail. The device also offers battery level voltages of –24V and –48V for access control and data pump ICs. The product is packaged in an 8 pin SIP case for minimum PCB footprint. The rated Power may be shared or drawn from any one Output providing the total Output load does not exceed 3W.

FEATURES
■ Triple Outputs (–24V, –48V & –72V)
■ Toroidal Magnetics
■ Input/Output Isolation 1kVDC
Power Sharing on Outputs
■ Internal SMD Construction
■ Industrial Temperature Range
■ No External Components Required
Power Density 1.41W/cm3
■ UL 94V-0 Package Material

TOTAL-POWER
Total Power International
Description : 10W, Step-Down, Single Output DC/DC Converters

High efficiency, wide input voltage range and Low Output noise define IDS Series of non-isolated, step-down, switching DC/DC Converters.
   
Key Features
• Efficiency up To 93%
Output Current up to 2A
• MTBF > 1,500,000 Hours
Low Cost
• Remote On/Off Control
Low Output Noise
• Temperature Performance -25°C to +70°C
• Step-down Switching Regulator
• Overload Protection
• Standby Current 100uA only
   

Description : Isolated 1W Single Output DC/DC Converters

DESCRIPTION
The NME series of DC/DC Converters is particularly suited to isolating and/or converting DC Power rails. The galvanic isolation alLows the device to be configured to provide an isolated negative rail in systems where only positive rails exist.

FEATURES
■ RoHS Compliant
■ Single Isolated Output
■ 1kVDC Isolation
■ Efficiency up to 80%
Power Density 1.45W/cm3
■ UL 94V-0 Package Material
■ Footprint from 0.69cm2
■ Industry Standard Pinout
■ 24V & 48V Input
■ 5V, 9V, 12V and 15V Output
■ No Heatsink Required
■ Internal SMD Construction
■ Fully Encapsulated with Toroidal Magnetics
■ No External Components Required
■ Custom Solutions Available

Description : Isolated 1W Twin Output DC-DC Converters

DESCRIPTION
The NMD series of DC-DC Converters are ideally suited to applications where a potential difference exists between loads, eg motor control circuits. The twin Outputs offer cost and space savings by consolidating two DC-DC Converters into one package. All of the rated Power may be drawn from a single Output provided the total load does not exceed 1 Watt.

FEATURES
■ Twin Independent Outputs
Output/Output Isolation 1kVDC
Power Sharing on Outputs
■ Input/Output Isolation 1kVDC
■ SIP & DIP Package Styles
■ Efficiency to 80%
Power Density 0.85W/cm3
■ 5V & 12V Input
■ One 5V Output (V1)
■ 3.3V, 5V, 9V, 12V and 15V Output (V2)
■ Footprint from 1.17cm2
■ UL 94V-0 Package Material
■ No Heatsink Required
■ Internal SMD Construction
■ Toroidal Magnetics
■ Fully Encapsulated
■ No External Components Required
■ MTTF up to 1.9 Million hours
■ PCB Mounting
■ Custom Solutions Available

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