isl6236a Intersil Corporation, isl6236a Datasheet - Page 24
![no-image](/images/manufacturer_photos/0/3/342/intersil_corporation_sml.jpg)
isl6236a
Manufacturer Part Number
isl6236a
Description
High-efficiency, Quad-output, Main Power Supply Controllers For Notebook Computers
Manufacturer
Intersil Corporation
Datasheet
1.ISL6236A.pdf
(37 pages)
- Current page: 24 of 37
- Download datasheet (4Mb)
14V/10mA
0.1µF
330µF
C
9mΩ
6.3V
CP
C
15
11
OUT1
5V/7A
0.1µF
C
12
FIGURE 69. ISL6236A TYPICAL SYSTEM REGULATOR APPLICATION CIRCUIT WITH 14V CHARGE PUMP
D
1
D1a
D2a
D2b
D1b
200kΩ
C
10µF
L
L
C
C11
10
R
VIN: 5.5V to 25V
1
2
2
1
L
1
IRF7811AV
5V/3.3V SMPS
FREQUENCY
: 4.7µH
SWITCHING
IRF7807V
D
39.2kΩ
3
0.1µF
D
0.1µF
24
C
R
C
2
14
2
8
Q
Q
3
4
FB1 TIED TO GND = 5V
FB1 TIED TO VCC = 1.5V
0.1µF
C
C
ON
ON
9
GND
VCC
OFF
OFF
OFF
200kΩ
6.8µH
7.6µH
2x470µF
330µF
FREQUENCY-DEPENDENT COMPONENTS
R
3
200kHz/300kHz
t
ON
= VCC
PVCC
VIN
BOOT1
UGATE1
PHASE1
LGATE1
OUT1
EN1
BYP
FB1
AGND
ILIM1
SKIP#
EN LDO
SECFB
TON
ISL6236A
ISL6236A
6.8µH
4.7µH
2x330µF
330µF
VCC
PAD
1µF
C
400kHz/300kHz
5
(OR OPEN)
t
ON
LDOREFIN
= REF
UGATE2
PHASE2
LGATE2
REFIN2
BOOT2
VREF3
PGND
POK1
POK2
OUT2
ILIM2
LDO
EN2
REF
150kΩ
4.7µH
4.7µH
2x330µF
330µF
R
5
400kHz/500kHz
C4
0.1µF
t
OPEN
0.1µF
ON
C
C
VCC
VCC
3
7
= GND
REFIN2: DYNAMIC 0V TO 2V
REFIN2 TIED TO VREF3 = 1.05V
REFIN2 TIED TO VCC = 3.3V
Q
IRF7832
LDOREFIN TIED TO GND = 5V
LDOREFIN TIED TO VCC = 3.3V
Q
IRF7821
2
1
L
2
: 4.7µH
VCC
C
C
10
10µF
1
200kΩ
R
4
LDO
3.3V/11A
OUT2
VCC
C
4.7µF
6
R
200kΩ
C
330µF
9mΩ
June 28, 2007
6
2
4V
FN6453.1
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