ISL6524A Intersil Corporation, ISL6524A Datasheet - Page 2

• Manufacturer Part Number: ISL6524A
• Description: VRM8.5 PWM and Triple Linear Power System Controller
• Manufacturer: Intersil Corporation

DRIVE3
DRIVE4
DRIVE2
VSEN4
VSEN2
FIX
VAUX
+
-
x0.90
1.2V
VTTPG
EA4
EA3
+
+
-
-
VSEN3
Q
Q
SET
CLR
+
-
CLK
D
UV2
>
+
-
1.5V or 1.26V
x0.75
1.8V or 1.26V
x0.75
+
-
INHIBIT
EA2
OSCILLATOR
FAULT/RT
+
+
-
-
UV4
UV3
FAULT
SS13
FIGURE 1. BLOCK DIAGRAM
& FAULT
START
LOGIC
VCC
SOFT-
4.5V
28µA
SS24
OV
4.5V
28µA
x
x
x
1.15
1.10
0.90
VSEN1
FB
DACOUT
+
-
+
-
+
-
+
-
EA1
COMP
OC
+
-
+
-
VID3 VID2 VID1 VID0
200µA
COMP
PWM
CONVERTER
OCSET
TTL D/A
(DAC)
PWM
CONTROL
RESET (POR)
POWER-ON
VID25
GATE
VCC
SYNCH
DRIVE1
DRIVE
VCC
VCC
UGATE
PHASE
LGATE
PGOOD
PGND
GND
VAUX