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Manufacturer Part no Description View
ST-Microelectronics
ST-MicroelectronicsST-Microelectronics
L497 2A STEP DOWN SWITCHING REGULATOR L497 PDF
ST-Microelectronics
ST-MicroelectronicsST-Microelectronics
L4920 VERY LOW DROP ADJUSTABLE REGULATORS

DESCRIPTION
The L4920 and L4921 are adjustable voltage regulator swith a very low voltage drop(0.4V typ.at 0.4A Tj = 25°C), low quiescent current and comprehensive on-chip protection.
These devices are protected against load dump and field decay transients, polarity reversal and over heating.
A foldback current limiter protects against load short circuits.
The output voltage is adjustable through an external divider from 1.25V to 20V. The minimum operating


other parts : L4921  
L4920 PDF
ST-Microelectronics
ST-MicroelectronicsST-Microelectronics
L4918 VOLTAGE REGULATORS PLUS FILTER

DESCRIPTION
The L4918 combines both a filter and a voltage regulator in order to provide a high ripple rejection over a wider input voltage range. A supervisor low-pass loop of the element prevents the output transistor from saturation at low input voltages. The non linear behaviour of this control circuitry allows a fast setting of the filter.

.FIXED OUTPUT VOLTAGE 8.5V
.250mA OUTPUT CURRENT
.HIGH RIPPLE REJECTION
.HIGH LOAD REGULATION
.HIGH LINE

L4918 PDF
Motorola
MotorolaMotorola
L4949 MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR

Μultifunction Very Low Dropout Voltage Regulator

The L4949 is a monolithic integrated 5.0 V voltage regulator with a very low dropout and additional functions such as power–on reset and input voltage sense.
It is designed for supplying the micro–computer controlled systems especially in automotive applications.

• Operating DC Supply Voltage Range 5.0 V to 28 V
• Transient Supply Voltage Up to 40 V
• Extremely Low Quiescent


other parts : L4949D  L4949N  
L4949 PDF
ST-Microelectronics
ST-MicroelectronicsST-Microelectronics
L4943 MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO

DESCRIPTION
The L4943 contains a triple voltage regulator and a high side driver. In stand-by the output is active as long as possible even when in thermal shutdown or under any other fault conditions. The STCAP pin allows the use of a reserve supply capacitor that will hold enough energy for the 5V Stand-by line to allow the µP to store data.

■ 3 PROGRAMMABLE OUTPUTS:
   ♦ 3 TO 11V (500mA);
   ♦ 3 TO 11V (500mA);

L4943 PDF
ST-Microelectronics
ST-MicroelectronicsST-Microelectronics
L4960 2.5A POWER SWITCHING REGULATOR

DESCRIPTION
The L4960 is a monolithic power switching regulator delivering 2.5A at a voltage variable from 5V to 40V in step down configuration.


other parts : L4960H  
L4960 PDF
ST-Microelectronics
ST-MicroelectronicsST-Microelectronics
L4921 VERY LOW DROP ADJUSTABLE REGULATORS

DESCRIPTION
The L4920 and L4921 are adjustable voltage regulator swith a very low voltage drop(0.4V typ.at 0.4A Tj = 25°C), low quiescent current and comprehensive on-chip protection.
These devices are protected against load dump and field decay transients, polarity reversal and over heating.
A foldback current limiter protects against load short circuits.
The output voltage is adjustable through an external divider from 1.25V to 20V. The minimum operating


other parts : L4920  
L4921 PDF
ON-Semiconductor
ON-SemiconductorON-Semiconductor
L4949 100 mA, 5.0 V, Low Dropout Voltage Regulator with Power−On Reset

The L4949 is a monolithic integrated 5.0 V voltage regulator with a very low dropout and additional functions such as power−on reset and input voltage sense.
It is designed for supplying the micro−computer controlled systems especially in automotive applications.

Features
• Operating DC Supply Voltage Range 5.0 V to 28 V
• Transient Supply Voltage Up to 40 V
• Extremely Low Quiescent Current in Standby Mode
• High


other parts : L4949D  L4949DG  L4949DR2  L4949DR2G  L4949N  L4949NG  NCV4949  NCV4949DG  NCV4949DR2  NCV4949DR2G  
L4949 PDF
ST-Microelectronics
ST-MicroelectronicsST-Microelectronics
L4949 MULTIFUNCTION VERY LOW DROP VOLTAGE REGULATOR

DESCRIPTION
The L4949E is a monolithic integrated 5V voltage regulator with a very low dropout output and additional functions as power-on reset and input voltage sense. It is designed for supplying the microcomputer controlled systems especially in automotive applications.

■ OPERATING DC SUPPLY VOLTAGE RANGE 5V - 28V
■ TRANSIENT SUPPLY VOLTAGE UP TO 40V
■ EXTREMELY LOW QUIESCENT CURRENT IN STANDBY MODE
■ HIGH PRECISION STANDBY OUTPUT VOLTAGE


other parts : L4949E  L4949ED  L4949EP  
L4949 PDF
ST-Microelectronics
ST-MicroelectronicsST-Microelectronics
L4937 DUAL MULTIFUNCTION VOLTAGE REGULATOR

DESCRIPTION
The L4937N is a monolithic integrated dual voltage regulatorswithtwoverylowdropoutoutputsandad ditional functionssuch as power-on reset and input voltage sense. It is designed for supplying microcomputer controlled systems specially in automotive applications.

. STANDBY OUTPUT VOLTAGE PRECISION 5V ± 2%
. OUTPUT2 TRACKEDTOTHE STANDBY OUTPUT
. OUTPUT 2 DISABLE FUNCTION FOR STANDBY MODE
. VERY LOW QUIESCENT CURRENT, LESS THAN 250µA,


other parts : L4937N  
L4937 PDF

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