isl6236 Intersil Corporation, isl6236 Datasheet - Page 17
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isl6236
Manufacturer Part Number
isl6236
Description
High-efficiency, Quad-output, Main Power Supply Controllers For Notebook Computers
Manufacturer
Intersil Corporation
Datasheet
1.ISL6236.pdf
(36 pages)
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Typical Performance Curves
FIGURE 53. START-UP V
FIGURE 55. START-UP V
POK1 2V/DIV
POK1 2V/DIV
V
EN1 5V/DIV
FIGURE 51. V
EN1 5V/DIV
OUT2
PWM MODE)
V
OUT1
0.5V/DIV
REFIN2 0.5V/DIV
0.5V/DIV
LDO RIPPLE 50mV/DIV
IL1 5A/DIV
V
OUT2
OUT1
OUT1
OUT1
0.5V/DIV
TRACKING TO REFIN2
17
= 1.5V (NO LOAD, SKIP MODE)
= 1.5V (FULL LOAD,
V
OUT
RIPPLE 20mV/DIV
IL1 2A/DIV
Circuit of Figure , Figure , and Figure , no load on LDO, OUT1, OUT2, V
V
unless otherwise noted. Typical values are at T
IN
= 12V, EN2 = EN1 = VCC, V
ISL6236
FIGURE 54. START-UP V
FIGURE 56. START-UP V
BYP
POK1 2V/DIV
POK2 2V/DIV
= 5V, PVCC = 5V, V
FIGURE 52. LDO TRACKING TO LDOREFIN
EN1 5V/DIV
EN2 5V/DIV
LDOREFIN 0.5V/DIV
V
SKIP MODE)
IL1 2A/DIV
V
OUT1
OUT2
IL2 2A/DIV
A
= +25°C. (Continued)
0.5V/DIV
0.5V/DIV
V
V
OUT2
OUT
OUT1
LDO 1V/DIV
OUT2
EN LDO
RIPPLE 20mV/DIV
RIPPLE 50mV/DIV
= 1.5V (NO LOAD, PWM MODE)
= 1.05V (NO LOAD,
= 5V, T
REF3
A
= -40°C to +100°C,
, and REF,
June 28, 2007
FN6373.3