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62382CHRTZ Просмотр технического описания (PDF) - Intersil

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62382CHRTZ High-Efficiency, Quad or Triple-Output System Power Supply Controller for Notebook Computers Intersil
Intersil Intersil
62382CHRTZ Datasheet PDF : 23 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ISL62381, ISL62382, ISL62383, ISL62381C, ISL62382C, ISL62383C
Typical Application Circuits The below typical application circuits generate the 5V/8A and 3.3V/8A main supplies in a notebook
computer. The input supply (VBAT) range is 5.5V to 25V
VBAT
4x10µF
0.22µF
B O O T1
V IN
B O O T2
0.22µF
3 .3 V
330µF
750
1200pF
45.3k
4.7µH
IRF7821
0.022µF 14k
IRF7832
14k
3 .3 V
10k
4.7µF
17.4k
UGATE1
PHASE1
UGATE2
PHASE2
LGATE1
LGATE2
ISL62381
O C S E T 1 ISL62382 O C S E T 2
IS E N 1 ISL62383
IS E N 2
ISL62381C
V O U T 1 ISL62382C V O U T 2
FB1
ISL62383C
FB2
LDO3*
L D O 3IN *
LDO3FB*
PGOOD1
IRF7821
4.7µH
14k 0.022µF
IRF7832
14k
100k
5V
330µF
750
68.1k 1200pF
9.09k
5V
10k
4.7µF
10
1µF 1µF
*ISL62381, ISL62382, ISL62381C,
AND ISL62382C ONLY
LDO5
VCC1
VCC2
PGND
GND
PGOOD2
EN1
EN2
LD O 3EN *
FCCM
FSET1
FSET2
19.6k
100k
24.3k
0.01µF
LDO5
0.01µF
FIGURE 1. TYPICAL APPLICATION CIRCUIT WITH INDUCTOR DCR CURRENT SENSE
VBAT
4x10µF
3 .3 V
330µF
0.001
1k
0.22µF
4.7µH
1k
BOOT1
V IN
IRF7821
UGATE1
PHASE1
IRF7832
LGATE1
BOOT2
IRF7821
UGATE2
PHASE2
IRF7832
LGATE2
0.22µF
4.7µH
1k
750
1200pF 45.3k
3 .3 V
10k
4.7µF
17.4k
ISL62381
O C S E T 1 ISL62382 O C S E T 2
IS E N 1
VOUT1
ISL62383
ISL62381C
ISL62382C
IS E N 2
VOUT2
FB1
ISL62383C
FB2
LDO3*
LD O 3IN *
LDO3FB*
PGOOD1
100k
5 V 10k
4.7µF
10
1µF
1µF
*ISL62381, ISL62382, ISL62381C,
AND ISL62382C ONLY
LDO5
VCC1
VCC2
PGND
GND
PGOOD2
EN1
EN2
LD O 3E N *
FCCM
FSET1
FSET2
19.6k
100k
24.3k
0.01µF
FIGURE 2. TYPICAL APPLICATION CIRCUIT WITH RESISTOR CURRENT SENSE
0.001
1k
5V
330µF
750
68.1k 1200pF
9.09K
LDO5
0.01µF
6
FN6665.5
May 13, 2011
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