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L5970

STMicroelectronics
Part Number L5970
Manufacturer STMicroelectronics
Description UP TO 1A STEP DOWN SWITCHING REGULATOR
Published Mar 22, 2005
Detailed Description L5970D UP TO 1A STEP DOWN SWITCHING REGULATOR s s s s s s s s s s s s s UP TO 1A OUTPUT CURRENT OPERATING INPUT VOLTAGE...
Datasheet PDF File L5970 PDF File

L5970
L5970

Overview
L5970D UP TO 1A STEP DOWN SWITCHING REGULATOR s s s s s s s s s s s s s UP TO 1A OUTPUT CURRENT OPERATING INPUT VOLTAGE FROM 4.
4V TO 36V 3.
3V / (±2%) / REFERENCE VOLTAGE OUTPUT VOLTAGE ADJUSTABLE FROM 1.
2V TO 35V LOW DROPOUT OPERATION: 100% DUTY CYCLE 250KHz INTERNALLY FIXED FREQUENCY VOLTAGE FEEDFORWARD ZERO LOAD CURRENT OPERATION INTERNAL CURRENT LIMITING INHIBIT FOR ZERO CURRENT CONSUMPTION SINCHRONIZATION PROTECTION AGAINST FEEDBACK DISCONNECTION THERMAL SHUTDOWN SO8 ORDERING NUMBERS: L5970D (SO8) L5970D013TR (T&R) DESCRIPTION The L5970D is a step down monolithic power switching regulator capable to deliver up to 1A at output voltages from 1.
2V to 35V.
The device uses an internal P-Channel D-MOS transistor (with a typical Rdson of 250mΩ) as switching element to minimize the size of the external components.
An internal oscillator fixes the switching frequency at 250KHz.
Having a minimum input voltage of 4.
4V only, it is particularly suitable for 5V bus, available in all computer ...


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