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| ISL6552 Datasheet, PDF (5/18 Pages) Intersil Corporation – Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller | |||
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ISL6552
ISEN1, ISEN2, ISEN3 and ISEN4
Current sense inputs from the individual converter channelâs
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
+5V
FB
COMP
VSEN
VCC
PGOOD
VID3
PWM4
PWM3
PWM2
VID2
VID1
VID0
PWM1
MAIN
CONTROL
ISL6552
VID25mV
FS/DIS
GND
ISEN4 NC
ISEN3 NC
ISEN2
ISEN1
+12V
PVCC
VCC
BOOT
UGATE
PHASE
PWM
DRIVER
HIP6601
LGATE
GND
+12V
PVCC
BOOT
UGATE
VCC
PWM
DRIVER
HIP6601
PHASE
LGATE
GND
VIN = +5V
VIN = +5V
+VCORE
5
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