L49

  

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L497 [HALL EFFECT PICKUP IGNITION CONTROLLER ]

other parts : L497B  L497D1 

ST-Microelectronics
STMicroelectronics

DESCRIPTION
The L497is an integrated electronic ignition controller for breakerless ignition systems using Hall effect sensors.
The device drives an NPN external darlington to control the coil current providing the required stored energy with low dissipation.
A special

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L4921 [VERY LOW DROP ADJUSTABLE REGULATORS ]

other parts : L4920 

ST-Microelectronics
STMicroelectronics

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

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L4960 [2.5A POWER SWITCHING REGULATOR ]

other parts : L4960H 

ST-Microelectronics
STMicroelectronics

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

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L497B [HALL EFFECT PICKUP IGNITION CONTROLLER ]

other parts : L497D1  L497 

ST-Microelectronics
STMicroelectronics

DESCRIPTION
The L497is an integrated electronic ignition controller for breakerless ignition systems using Hall effect sensors.
The device drives an NPN external darlington to control the coil current providing the required stored energy with low dissipation.
A special

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L4959 [MULTIFUNCTION VOLTAGE REGULATOR FOR HOME AUDIO ] ST-Microelectronics
STMicroelectronics

DESCRIPTION
The L4959 is a monolithic Multifunction Voltage Regulator, designed mainly for supplying Home Audio systems. The L4959 contains one unswitched linear 5.6V regulator for Micro, two switched regulators 8.6V and 12V, suitable to feed CD or CD players and LED, Signal Process. An additional 12V regulator for Solenoid Motor an CD_TRAY Driven is also available.

■ OUTPUTS:
   12V (1.3A); 12V (0.8A); 8.6V (0.6A); 5.6V (0.25A) STANDBY
■ OUT1 12V(a), OUT2 12V(b)

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L4949 [100 mA, 5.0 V, Low Dropout Voltage Regulator with Power−On Reset ]

other parts : L4949D  L4949DG  L4949DR2  L4949DR2G  L4949N  L4949NG  NCV4949 

ON-Semiconductor
ON Semiconductor

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

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L4962 [POWER CONTROLLERS & MOTOR DRIVERS ]

other parts : ESM1600BFP_  ESM1600B_  ESM1602BFP_  ESM1602B_  L149_  L165_  L200_ 

ST-Microelectronics
STMicroelectronics

POWER CONTROLLERS & MOTOR DRIVERS

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L4920 [VERY LOW DROP ADJUSTABLE REGULATORS ]

other parts : L4921 

ST-Microelectronics
STMicroelectronics

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

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L4949 [MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR ]

other parts : L4949D  L4949N 

Motorola
Motorola => Freescale

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

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L4918 [VOLTAGE REGULATORS PLUS FILTER ] ST-Microelectronics
STMicroelectronics

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

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