ISL68201 Datasheet, PDF (4/32 Pages) Intersil Corporation – Single-Phase R4 Digital Hybrid PWM Controller

Block Diagram
VCC
EN
PGOOD
RGND
VSEN
7VLDO VIN PVCC
POR
PGOOD
CIRCUITRY
-
INTERNAL
COMPENSATION
+ _AMPLIFIER
PROG1
GND
REFERENCE
VOLTAGE
CIRCUITRY
PROG4
SCL SDA SALERT
PROG2 PROG3
SOFT-START
AND
FAULT LOGIC
OTP OCP
SMBus/PMBus/I²C
INTERFACE
VIN VOUT IOUT TEMP
FCCM
DRIVER
FCCM
OVERVOLTAGE/
UNDERVOLTAGE
PWM AND PFM
CONTROL
PWM
DRIVER
LGIN
PVCC
PWM
R4™
MODULATOR
SWITCHING
FREQUENCY
OVERCURRENT (OCP) AND
OVER-TEMPERATURE (OTP)
5V LDO
7V LDO
CURRENT SENSE
AND TEMPERATURE
COMPENSATION
GND
VIN
7VLDO
CSEN
CSRTN
NTC
IOUT
FIGURE 3. ISL68201 SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM