isl8120 Intersil Corporation, isl8120 Datasheet - Page 3

• Manufacturer Part Number: isl8120
• Description: Dual/n-phase Buck Pwm Controller With Integrated Drivers
• Manufacturer: Intersil Corporation

Block Diagram (1/2)
VSEN1+
VSEN1-
COMP1
FB1
VCC
700mV
UNITY GAIN
DIFF AMP1
VMON1
REFERENCE
V
REF
= 0.6V
V
PGOOD
REF
COMP1
OV/UV
COMP1
E/A1
PGOOD
EN/FF1
PGOOD
CHANNEL1
SOFT-START AND
FIGURE 1. CHANNEL/PHASE 1 (VDDQ)
FAULT LOGIC
CHANNEL 1
105µA
OCP
RESET (POR)
POWER-ON
7-CYCLE
DELAY
CORRECTION
CURRENT
VCC
1V
AVERAGE
AVG_OCP
OCP
OTP
I
SHARE
CORRECTION
CURRENT
+
OVER-TEMPERATURE
PROTECTION (OTP)
-
∑
SAW1
I
CSH_ERR
PVCC
ICS1
PWM1
LINEAR REGULATOR
I
5.4V
I
CSH_ERR
AVG_CS
INTERNAL
VIN
CHANNEL 1
CURRENT
SAMPLING
CONTROL
GATE
(BOTTOM PAD) GND
PVCC
BOOT1
UGATE1
PHASE1
LGATE1
ISEN1B
ISEN1A