L6610
DIGITALLY PROGRAMMABLE SECONDARY
HOUSEKEEPING CONTROLLER
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OV/UV DETECTION FOR 3.3V, 鹵5V, 鹵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
BCD TECHNOLOGY
SDIP24
SO24
ORDERING NUMBERS:
L6610N
L6610D
L6610DTR(T & Reel)
APPLICATIONS
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SWITCHING POWER SUPPLIES FOR
DESKTOP PC'S, SERVERS AND WEB
SERVERS
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SUPERVISOR FOR DISTRIBUTED POWER
TYPICAL APPLICATION CIRCUIT
+12V
+
WIDE RANGE
MAINS
+5V
COM
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-5V
MAIN
CONTROL
-12V
+3.3V
+5Vaux
AUXILIARY
CONTROL
Bout
VDD
Cout
Dmon
12V
5V
-5V
-12V
3V3
MFault
Aout
Gnd
L6610
April 2002
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