isl6530 Intersil Corporation, isl6530 Datasheet - Page 3
isl6530
Manufacturer Part Number
isl6530
Description
Dual 5v Synchronous Buck Pulse-width Modulator Pwm Controller For Ddram Memory Vddq And Vtttermination
Manufacturer
Intersil Corporation
Datasheet
1.ISL6530.pdf
(17 pages)
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Block Diagram
VREF_IN
SENSE1
SENSE2
COMP1
COMP2
V2_SD
VREF
FB1
FB2
PGOOD
+
-
3
REFERENCE
REGULATOR
WINDOW
0.8V
OCSET/SD
ERROR
ERROR
AMP
AMP
40µA
+
-
+
-
ISL6530
OSCILLATOR
90
COMPARATOR
COMPARATOR
+
-
CURRENT
o
Shift
OVER-
Phase
PWM
PWM
+
-
+
-
RESET (POR)
POWER-ON
START
SOFT-
INHIBIT
VCC
INHIBIT
PWM
PWM
GND
CONTROL
CONTROL
LOGIC
LOGIC
GATE
GATE
VCC
PVCC1
BOOT1
UGATE1
PHASE1
LGATE1
PGND1
BOOT2
UGATE2
PHASE2
LGATE2
PGND2
November 15, 2004
FN9052.2