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L6610 Datasheet

Part NameDescriptionManufacturer
L6610 DIGITALLY PROGRAMMABLE SECONDARY HOUSEKEEPING CONTROLLER ST-Microelectronics
STMicroelectronics ST-Microelectronics
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DESCRIPTION
The L6610 is a control and housekeeping IC developed in BCD technology; it is intended for acting at the secondary side of desktop PCs or servers switching power supplies, in presence of standard voltage rails (+3.3V, ±5V, ±12V) generated by a main converter and of a supply line generated by an auxiliary converter. The typical application circuit is showed on the front page.
   
■ OV/UV DETECTION FOR 3.3V, ±5V, ±12V
    RAILS AND 5V (OR 3.3V) AUX. VOLTAGE
■ OC DETECTION ON 12V AND 5V (OR 3.3V)
    RAILS
■ AC MAINS UV (BROWNOUT) DETECTION
    WITH HYSTERESIS
■ ON-LINE DIGITAL TRIMMING FOR 5V/12V,
    3.3V, 5V (OR 3.3V) AUX. FEEDBACK
    REFERENCES AND AC MAINS UV.
■ DIGITALLY SELECTABLE OPTIONS
■ ERROR AMPLIFIERS FOR 5V/12V RAILS
    (MAIN SUPPLY), 3V3 POST-REGULATOR
    (MAG_AMP OR LINEAR) AND AUXILIARY
    SUPPLY.
■ MAIN SUPPLY ON/OFF CONTROL AND
    POWER GOOD SIGNAL
■ 50mA CROWBAR DRIVE FOR AUXILIARY
    OUTPUT OVP.
■ OPEN GROUND PROTECTION
■ 8ms DIGITAL SOFT START
■ 64 ms UV/OC BLANKING AT START-UP
   
APPLICATIONS
■ SWITCHING POWER SUPPLIES FOR
    DESKTOP PCS, SERVERS AND WEB
    SERVERS
■ SUPERVISOR FOR DISTRIBUTED POWER
   

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