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Part Name(s) : TPS76327DBVRG4 TPS76338DBVRG4 TI
Texas Instruments
Description : LOW-POWER 150-mA LOW-DROPOUT LINEAR REGULATORS View

description
The TPS763xx family of LOW-DROPOUT (LDO) VOLTAGE REGULATORS offers the benefits of LOW-DROPOUT VOLTAGE, low-power operation, and miniaturized packaging. These REGULATORS feature low dropout VOLTAGEs and quiescent currents compared to conventional LDO REGULATORS. Offered in a 5-terminal, small outline integrated-circuit SOT-23 package, the TPS763xx series devices are ideal for cost-sensitive designs and for applications where board space is at a premium.

150-mA LOW-DROPOUT Regulator
Output VOLTAGE: 5 V, 3.8 V, 3.3 V, 3.0 V, 2.8 V, 2.7 V, 2.5 V, 1.8 V, 1.6 V and Variable
Dropout VOLTAGE, Typically 300 mV at 150 mA
Thermal Protection
Over Current Limitation
Less Than 2-µA Quiescent Current in Shutdown Mode
−40°C to 125°C Operating Junction Temperature Range
5-Pin SOT-23 (DBV) Package

 

Part Name(s) : OM185-5SM OM186-5SM IR
International Rectifier
Description : SURFACE MOUNT LOW DROPOUT FIXED VOLTAGE POSITIVE REGULATORS View

DESCRIPTION
These three terminal positive fixed VOLTAGE REGULATORS are designed to provide 2.0 Amps and 1.0 Amp with higher efficiency than conventional VOLTAGE REGULATORS. The devices are designed to operate to 1 Volt input to output differential and the dropout VOLTAGE is specified as a function of load current. All devices are pin compatible with older three terminal REGULATORS. Supplied in easy-to-use hermetic surface mount packages.

FEATURES
• +5V Output VOLTAGE
• Operates Down To 1V Dropout
• .015% Line Regulation / .01% Load Regulation Typically
• Output VOLTAGE Trimmed to ±1%
• Hermetic Surface Mount Package
• Available Hi-Rel Screened

 

Part Name(s) : IMP37 IMP37-25JCM IMP37-25JST IMP37-30JCM IMP37-30JST IMP37-33JCM IMP37-33JST IMP
IMP, Inc
Description : Low Dropout Positive VOLTAGE REGULATORS View

The IMP37 series of Low Dropout (LDO) three-terminal VOLTAGE REGULATORS feature guaranteed low dropout VOLTAGEs at currents up to 0.8A. The IMP37 regulator family dropout VOLTAGE is guaranteed to be 0.95V or lower at 0.8A. At 100mA, the maximum dropout VOLTAGE is 0.8V. Compared with “1117” type LDOs, the IMP37 has a 20% lower dropout VOLTAGE.

Key Features
◆ Low Dropout VOLTAGE
    – 0.8V maximum at 100mA
    – 0.95V maximum at 800mA
    – 20% lower dropout VOLTAGE than “1117” LDO REGULATORS
◆ Guaranteed Low Dropout VOLTAGE at Multiple Current Levels
◆ 1% Trimmed 2.5V, 3.0V and 3.3V Outputs
◆ Reduced Quiescent Current: 75µA Maximum
◆ Short Circuit and Thermal Protection
◆ Space Saving SOT-223 Surface Mount Package
◆ “1117” Pin Compatible

Applications
◆ High-efficiency linear power supplies
◆ Post regulator for switching supplies
◆ 5V to 3.3V linear REGULATORS
◆ USB hubs
◆ Battery chargers
◆ Routers, ISDN/DSL modems

Part Name(s) : LDO-512 LDO_512 LDO512 ST-Microelectronics
STMicroelectronics
Description : IP Library: Ultra Low Noise, High PSRR, Low Power, 30mA Very Low Dropout VOLTAGE REGULATORS View

IP Library: Ultra Low Noise, High PSRR, Low Power, 30mA Very Low Dropout VOLTAGE REGULATORS

■ RF REGULATOR
■ VERY LOW DROPOUT VOLTAGE : 30mV
■ ULTRA LOW OUTPUT VOLTAGE NOISE
■ HIGH PSRR : 70dB
■ LOW STAND-BY CURRENT : 20µA
■ LOW QUIESCENT CURRENT : 150µA FULL LOAD
■ NO CURRENT IN POWER DOWN MODE
■ SHORT CIRCUIT PROTECTION
■ SMALL DECOUPLING CERAMIC CAPACITOR
■ BIPOLAR INPUT STAGE

TYPICAL APPLICATIONS
– Cellular and Cordless phones supplied by 1 cell Lithium-ion battery / 3 cells Ni-MH or Ni-Cd battery
– PDA (Personal Digital Assistant)
– Smart phone
– Portable equipment
– Supply for RF devices for cellular phone


Part Name(s) : 7150Q TPS7101 7101Q PT7101 7133Q PT7133 7148Q TI
Texas Instruments
Description : LOW-DROPOUT VOLTAGE REGULATORS View

description
The TPS71xx integrated circuits are a family of micropower LOW-DROPOUT (LDO) VOLTAGE REGULATORS. An order of magnitude reduction in dropout VOLTAGE and quiescent current over conventional LDO performance is achieved by replacing the typical pnp pass transistor with a PMOS device.

● Available in 5-V, 4.85-V, and 3.3-V
   Fixed-Output and Adjustable Versions
● Very LOW-DROPOUT VOLTAGE . . . Maximum of
   32 mV at IO = 100 mA (TPS7150)
● Very Low Quiescent Current – Independent
   of Load . . . 285 µA Typ
● Extremely Low Sleep-State Current
   0.5 µA Max
● 2% Tolerance Over Specified Conditions
   For Fixed-Output Versions
● Output Current Range of 0 mA to 500 mA
● TSSOP Package Option Offers Reduced
   Component Height for Space-Critical
   Applications
● Power-Good (PG) Status Output

Part Name(s) : MSK5231 MSK5231H MSK5231 MSK5231E MSK5231H MSK
M.S. Kennedy Corporation
Description : POSITIVE ADJUSTABLE, LOW DROPOUT SURFACE MOUNT VOLTAGE REGULATORS View

DESCRIPTION:
The MSK 5231 VOLTAGE regulator is a positive adjustable regulator that with proper heatsinking, can provide 3 Amps of output current. Low dropout and impressive thermal characteristics help to improve efficiency and lower power dissipation. An accurate reference VOLTAGE allows for precise output adjustment. The MSK 5231 is packaged in a hermetic, space efficient 3 pin power surface mount ceramic package.

FEATURES:
• Hermetic Surface Mount Package
• Low Dropout VOLTAGE: 1.5V @ 2 Amps
• Adjustable Output VOLTAGE
• On Board Thermal Overload Protection
• Short Circuit Current Limiting
• Output Current to 3 Amps

TYPICAL APPLICATIONS
• High Efficiency, High Current Linear REGULATORS
• Constant Current REGULATORS
• System Power Supplies
• Switching Power Supply Post REGULATORS
• Battery Chargers

Part Name(s) : EZ1587 Semtech
Semtech Corporation
Description : 3.0 AMP LOW DROPOUT POSITIVE VOLTAGE REGULATORS View

DESCRIPTION
The EZ1587 series of high performance positive VOLTAGE REGULATORS are designed for use in applications requiring low dropout performance at full rated current. Additionally, the EZ1587 series provides excellent regulation over variations in line, load and temperature.

FEATURES
• Low dropout performance, 1.3V max. for EZ1587
• Full current rating over line and temperature
• Fast transient response
• ±2% total output regulation over line, load and temperature
• Adjust pin current max. 90µA over temperature
• Fixed/adjustable output VOLTAGE
• Line regulation typically 0.005%
• Load regulation typically 0.05%
• TO-220 or TO-263 packages

APPLICATIONS
• Pentium® Processor supplies
• PowerPC™ supplies
• Other 1.3V to 5.7V microprocessor supplies
• Low VOLTAGE logic supplies
• Battery-powered circuitry
• Post regulator for switching supply

Part Name(s) : EZ1584 EZ1584CT Semtech
Semtech Corporation
Description : 7.0 AMP LOW DROPOUT POSITIVE VOLTAGE REGULATORS View

DESCRIPTION
The EZ1584 series of high performance positive VOLTAGE REGULATORS are designed for use in applications requiring low dropout performance at full rated current. Additionally, the EZ1584 series provides excellent regulation over variations in line, load and temperature.

FEATURES
• Low dropout performance, 1.3V max. for EZ1584
• Full current rating over line and temperature
• Fast transient response
• ±2% total output regulation over line, load and temperature
• Adjust pin current max 90µA over temperature
• Fixed/adjustable output VOLTAGE
• Line regulation typically 0.015%
• Load regulation typically 0.05%
• TO-220 package

APPLICATIONS
• Pentium® Processor supplies
• PowerPC™ supplies
• Other 2.5V to 3.6V microprocessor supplies
• Low VOLTAGE logic supplies
• Battery-powered circuitry
• Post regulator for switching supply

Part Name(s) : TPS76901EVM-127 TPS76918EVM-127 TPS76933EVM-127 TI
Texas Instruments
Description : ULTRALOW-POWER 100-mA LOW-DROPOUT LINEAR REGULATORS View

description
The TPS769xx family of LOW-DROPOUT (LDO) VOLTAGE REGULATORS offers the benefits of low dropout VOLTAGE, ultralow-power operation, and miniaturized packaging. These REGULATORS feature low dropout VOLTAGEs and ultralow quiescent current compared to conventional LDO REGULATORS. Offered in a 5-terminal small outline integrated-circuit SOT-23 package, the TPS769xx series devices are ideal for micropower operations and where board space is at a premium.

● 100-mA LOW-DROPOUT Regulator
● Available in 1.2-V, 1.5-V, 1.8-V, 2.5-V, 2.7-V,
   2.8-V, 3.0-V, 3.3-V, and 5-V Fixed-Output and
   Adjustable Versions
● Only 17 µA Quiescent Current at 100 mA
● 1 µA Quiescent Current in Standby Mode
● Dropout VOLTAGE Typically 71 mV at 100mA
● Over Current Limitation
● –40°C to 125°C Operating Junction
   Temperature Range
● 5-Pin SOT-23 (DBV) Package

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