HomedatasheetL6910A

L6910A Datasheet

Switching Controllers
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Description

The device( L6910A ) is a pwm controller for high performance dc-dc conversion from 3.3V, 5V and 12V buses. The output voltage is adjustable down to 0.9V; higher voltages can be obtained with an external voltage divider. High peak current gate drivers provide for fast switching to the external power section, and the output current can be in excess of 20A. The device assures protections against load overcurrent and overvoltage. An internal crowbar is also provided turning on the low side mosfet as long as the over-voltage is detected. In case of over-current detection, the soft start capacitor is discharged and the system works in HICCUP mode. L6910A Features • OPERATING SUPPLY VOLTAGE FROM 5V TO 12V BUSES• UP TO 1.3A GATE CURRENT CAPABILITY• ADJUSTABLE OUTPUT VOLTAGE• N-INVERTING E/A INPUT AVAILABLE • 0.9V ±1.5% VOLTAGE REFERENCE• VOLTAGE MODE PWM CONTROL• VERY FAST LOAD TRANSIENT RESPONSE• 0% TO 100% DUTY CYCLE• POWER GOOD OUTPUT• OVERVOLTAGE PROTECTION• HICCUP OVERCURRENT PROTECTION • 200kHz INTERNAL OSCILLATOR• OSCILLATOR EXTERNALLY ADJUSTABLE FROM 50kHz TO 1MHz• SOFT START AND INHIBIT • PACKAGES: SO-16 & HTSSOP16 L6910A Applications • SUPPLY FOR MEMORIES AND TERMI- NATIONS• COMPUTER ADD-ON CARDS• LOW VOLTAGE DISTRIBUTED DC-DC• MAG-AMP REPLACEMENT
Features

Parameters

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Manufacturer information

SEIKO INSTRUMENTS

Seiko Instruments Inc. Is a Japanese company which head office is located in 8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba 261-8507, Japan . It’s business lines are: Watches Business Watches, Watch Movements Electronic Components Business Quartz crystals, Micro batteries, etc. Precision Mechatronics Business Inkjet printer heads, Hard disk components, Thermal printers, Compact precision components, Machine tools, FA, Musical instrument accessories, Radiation detection and measurement systems, etc.


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