isl6236a Intersil Corporation, isl6236a Datasheet - Page 17

• Manufacturer Part Number: isl6236a
• Description: High-efficiency, Quad-output, Main Power Supply Controllers For Notebook Computers
• Manufacturer: Intersil Corporation

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 66, Figure 67, and Figure , no load on LDO, OUT1, OUT2, V
V
unless otherwise noted. Typical values are at T
IN
= 12V, EN2 = EN1 = VCC, V
ISL6236A
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
A
= -40°C to +100°C,
REF3
, and REF,
June 28, 2007
FN6453.1