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ISL6552 Datasheet(PDF) 5 Page - Intersil Corporation

Part No. ISL6552
Description  Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL6552 Datasheet(HTML) 5 Page - Intersil Corporation

 
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5
ISEN1, ISEN2, ISEN3 and ISEN4
Current sense inputs from the individual converter channel’s
phase nodes. Unused sense lines MUST be left open.
PGOOD
Power good. This pin provides a logic-high signal when the
microprocessor CORE voltage (VSEN pin) is within specified
limits and Soft-Start has timed out.
VCC
Bias supply. Connect this pin to a 5V supply.
Typical Application - 2 Phase Converter Using HIP6601 Gate Drivers
MAIN
CONTROL
ISL6552
VID3
VID0
PGOOD
FB
+5V
COMP
PWM3
PWM2
PWM1
ISEN3
ISEN2
ISEN1
VSEN
DRIVER
HIP6601
PWM
VCC
BOOT
UGATE
PHASE
LGATE
VIN = +5V
PVCC
PWM
VCC
BOOT
UGATE
PHASE
LGATE
VIN = +5V
DRIVER
HIP6601
PVCC
FS/DIS
PWM4
ISEN4
NC
GND
GND
GND
VCC
+VCORE
NC
+12V
+12V
VID2
VID25mV
VID1
ISL6552


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