L5970AD - 1.5A SWITCH STEP DOWN SWITCHING REGULATOR
STMicroelectronics
Description
1.1 APPLICATIONS: CONSUMER: STB, DVD, TV, VCR,CAR RADIO, LCD MONITORS
NETWORKING: XDSL, MODEMS,DC-DC MODULES
COMPUTER: PRINTERS, AUDIO/GRAPHIC CARDS, OPTICAL STORAGE, HARD DISK DRIVE
INDUSTRIAL: CHARGERS, CAR BATTERY DC-DC CONVERTERS
The L5970AD is a step down monolithic po
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L5970AD
1.5A SWITCH STEP DOWN SWITCHING REGULATOR
1
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General Features
1.5A INTERNAL SWITCH OPERATING INPUT VOLTAGE FROM 4.4V TO 36V 3.3V / (±2%) REFERENCE VOLTAGE OUTPUT VOLTAGE ADJUSTABLE FROM 1.235V TO 35V LOW DROPOUT OPERATION: 100% DUTY CYCLE 500KHz INTERNALLY FIXED FREQUENCY VOLTAGE FEEDFORWARD ZERO LOAD CURRENT OPERATION INTERNAL CURRENT LIMITING INHIBIT FOR ZERO CURRENT CONSUMPTION SYNCHRONIZATION PROTECTION AGAINST FEEDBACK DISCONNECTION THERMAL SHUTDOWN
Figure 1. Package
SO-8
Table 1. Order Codes
Part Number L5970AD L5970ADTR Package SO-8 SO-8 in Tape & Reel
2
Description
1.