isl6217a Intersil Corporation, isl6217a Datasheet - Page 6

• Manufacturer Part Number: isl6217a
• Manufacturer: Intersil Corporation

Block Diagram
DACOUT
OCSET
COMP
DRSV
SOFT
VID0
VID1
VID2
VID4
VID5
STV
VID3
DSV
EA+
FB
V SOFT
32 COUNT
DSEN# DRSEN
+
CLOCK
CYCLE
UV
88% RISING
84% FALLING
+
-
112% RISING
102% FALLING
MUX
-
VID
OVP
START
D/A
SOFT
1.75V
VSEN
6
V CORE
REF
+
FAULT LOGIC
PGOOD
CONTROL
AND
I OCSET
-
+
E/A
I DROOP
32 COUNT
CLOCK
CYCLE
+
OC
EN
-
+
+
1.3V
-2µA
-
ISL6217A
+
Σ
-
Σ
-
VSS
Σ
GENERATOR
CLOCK AND
SAWTOOTH
RESET(POR)
2N
POWER-ON
1
CHANNEL
CURRENT
BALANCE
VDD
PWM2
8µA
PWM1
Σ
+
-
-
+
PWM
PWM
0.435
Σ
PHASE
PHASE
LOGIC
LOGIC
PWRCH
HIGH-IMPEDANCE STATE
PWRCH
SAMPLE
HOLD
VDDP
HIGH-IMPEDANCE STATE
&
VDDP
VDDP
PWM1
CHANNEL
CURRENT
PWM2
SENSE
1.75V
PWRCH
BOOT1
VDDP
BOOT2
June 30, 2005
PHASE1
ISEN2
VSSP1
PHASE2
ISEN1
UG1
VBAT
FS
LG1
UG2
LG2
VSSP2
FN9107.3