isl6236a Intersil Corporation, isl6236a Datasheet - Page 18

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

Typical Performance Curves
FIGURE 57. START-UP V
FIGURE 59. DELAYED START-UP (V
FIGURE 61. SHUTDOWN (V
V
V
POK2 5V/DIV
POK1 5V/DIV
POK2 2V/DIV
OUT1
OUT1
2V/DIV
2V/DIV
EN2 5V/DIV
POK1 OR POK2 5V/DIV
PWM MODE)
VOUT2 = 1.05V, EN1 = REF)
EN2 = REF)
V
IL2 2A/DIV
OUT2
V
EN2 5V/DIV
OUT2
V
OUT2
EN1 5V/DIV
0.5V/DIV
2V/DIV
0.5V/DIV
OUT1
OUT1
18
= 1.05V (NO LOAD,
= 1.5V, V
OUT1
= 1.5V,
OUT2
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
= 1.05V,
= 12V, EN2 = EN1 = VCC, V
ISL6236A
FIGURE 58. START-UP V
FIGURE 60. DELAYED START-UP (V
BYP
POK1 5V/DIV
POK2 5V/DIV
LGATE1 5V/DIV
V
POK2 2V/DIV
FIGURE 62. LOAD TRANSIENT V
OUT2
= 5V, PVCC = 5V, V
RIPPLE 20mV/DIV
EN1 500mV/DIV
V
V
PWM MODE)
V
OUT2
OUT1
OUT2
A
V
IL2 2A/DIV
EN2 5V/DIV
= +25°C. (Continued)
OUT1
500mV/DIV
2V/DIV
= 1.05V, EN2 = REF)
RIPPLE 50mV/DIV
IL1 5A/DIV
OUT1
EN_LDO
= 1.05V (FULL LOAD,
= 5V, T
V
OUT1
OUT2
OUT1
A
= -40°C to +100°C,
0.5V/DIV
= 1.5V,
= 1.5V (PWM)
REF3
, and REF,
June 28, 2007
FN6453.1