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ISL62391CHRTZ Datasheet(PDF) 6 Page - Intersil Corporation

Part # ISL62391CHRTZ
Description  High-Efficiency, Triple-Output System Power Supply Controller
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL62391CHRTZ Datasheet(HTML) 6 Page - Intersil Corporation

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6
FN6666.5
April 7, 2011
Typical Application Circuits
The typical application circuits generate the 5V/8A and 3.3V/8A (system regulator), or 1.05V/15A and 1.5V/15A (chip set) supplies
in a notebook computer. The input supply (VBAT) range is 5.5V to 25V.
FIGURE 1. TYPICAL SYSTEM REGULATOR APPLICATION CIRCUIT WITH INDUCTOR DCR CURRENT SENSE
FIGURE 2. TYPICAL SYSTEM REGULATOR APPLICATION CIRCUIT WITH RESISTOR SENSE
V BAT
VI N
PH A SE1
UG AT E 1
LG A T E 1
O C SET 1
ISEN 1
VO U T 1
FB 1
P HAS E 2
UG AT E 2
LG A T E 2
O C SET2
ISEN 2
VO U T 2
FB 2
3.3V
5V
LD O 3
PVC C
VC C
PVC C
P GOO D
PG N D
PA D
EN 1
EN 2
F SET1
F SET2
BO O T 1
BO O T 2
FC C M
LD O 3 E N
0.22µF
0.22µF
IRF7821
IRF7821
IRF7832
IRF7832
4.7µH
4.7µH
9.09k
68.1k
750
1200pF
14k
14k 0.022µF
100k
0.01µF
0.01µF
19.6k
24.3k
1µF
4.7µF
10k
45.3k
1µF
330µF
330µF
1200pF
750
14k
14k
0.022µF
4x10µF
ISL62391, ISL62392
ISL62391C, ISL62392C
VB A T
VIN
PH A S E1
UG AT E 1
LG A T E 1
OC S E T 1
IS E N 1
VO U T 1
FB 1
P HAS E 2
UG AT E2
LG A T E 2
OC S E T 2
ISEN 2
VO U T 2
FB 2
3.3V
5V
3.3 V
LD O 3
PV C C
VC C
PV C C
PG O O D
PG N D
GN D
EN 1
EN 2
FS E T 1
FS E T 2
BO O T 1
BO O T 2
FC C M
LD O 3 E N
0.22µF
0.22µF
IRF7821
IRF7821
IRF7832
IRF7832
4.7µH
4.7µH
4x10µF
ISL62391, ISL62392
0.01µF
0.01µF
24.3k
19.6k
1µF
1µF
4.7µF
9.09k
68.1k
1200pF
1200pF
750
750
100k
45.3k
10k
330µF
330µF
0.001
0.001
1k
1k
1k
1k
ISL62391C, ISL62392C
ISL62391, ISL62392, ISL62391C, ISL62392C


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