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62383CHRTZ Просмотр технического описания (PDF) - Intersil

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62383CHRTZ High-Efficiency, Quad or Triple-Output System Power Supply Controller for Notebook Computers Intersil
Intersil Intersil
62383CHRTZ 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 1.05V/15A and 1.5V/15A main supplies in a
notebook computer. The input supply (VBAT) range is 5.5V to 25V
VBAT
6x10µF
1 .0 5 V
0.22µF
2.2µH IRF7821x2
330µFx2
590
1800pF
36.5k
0.022µF 16.2k
IRF7832x2
16.2k
48.7k
3 .3 V
4.7µF
17.4k
5V
10k
4.7µF
10
1µF 1µF
*ISL62381, ISL62382, ISL62381C,
AND ISL62382C ONLY
B O O T1
V IN
B O O T2
0.22µF
UGATE1
PHASE1
UGATE2
PHASE2
LGATE1
LGATE2
OCSET1
IS E N 1
VOUT1
FB1
ISL62381
ISL62382
ISL62383
ISL62381C
ISL62382C
ISL62383C
OCSET2
IS E N 2
VOUT2
FB2
LDO3*
L D O 3IN *
LDO3FB*
PGOOD1
IRF7821x2 2.2µH
16.2k 0.022µF
IRF7832x2
16.2k
VBAT
100k
1 .5 V
330µFx2
590
36.5k 1800pF
24.3k
LDO5
VCC1
VCC2
PGND
GND
PGOOD2
EN1
EN2
LD O 3EN *
FCCM
FSET1
FSET2
14k
100k
17.4k
0.01µF
LDO5
0.01µF
FIGURE 3. TYPICAL APPLICATION CIRCUIT WITH INDUCTOR DCR CURRENT SENSE
VBAT
6x10µF
1 .0 5 V
330µFx2
0.001
2k
IRF7821x2
0.22µF
2.2µH
IRF7832x2
2k
BOOT1
V IN
UGATE1
PHASE1
LGATE1
BOOT2
UGATE2
PHASE2
LGATE2
IRF7821x2
0.22µF
2.2µH
IRF7832x2
2k
0.001
2k
1 .5 V
330µFx2
590
1800pF 36.5k
48.7k
3 .3 V
4.7µF
17.4k
ISL62381
O C S E T 1 ISL62382
IS E N 1
VOUT1
ISL62383
ISL62381C
ISL62382C
FB1
ISL62383C
OCSET2
IS E N 2
VOUT2
FB2
LDO3*
L D O 3IN *
LDO3FB*
PGOOD1
VBAT
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 3EN *
FCCM
FSET1
FSET2
14k
100k
17.4k
0.01µF
FIGURE 4. TYPICAL APPLICATION CIRCUIT WITH RESISTOR CURRENT SENSE
590
36.5k 1800pF
24.3k
LDO5
0.01µF
7
FN6665.5
May 13, 2011
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