isl6236a Intersil Corporation, isl6236a Datasheet - Page 16
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: 16 of 37
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Typical Performance Curves
FIGURE 45. DELAYED START-UP(V
EN1 5V/DIV
POK1 5V/DIV
POK2 5V/DIV
LGATE1 5V/DIV
V
V
LGATE1 5V/DIV
FIGURE 49. LOAD TRANSIENT V
OUT1
OUT2
FIGURE 47. LOAD TRANSIENT V
RIPPLE 50mV/DIV
RIPPLE 50mV/DIV
EN2 = REF)
V
IL1 5A/DIV
OUT1
V
IL2 5A/DIV
OUT2
RIPPLE 20mV/DIV
V
OUT2
RIPPLE 50mV/DIV
2V/DIV
16
OUT1
OUT1
VOUT1 2V/DIV
= 5V, V
OUT1
= 3.3V (PWM)
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
= 5V
OUT2
= 12V, EN2 = EN1 = VCC, V
= 3.3V,
ISL6236A
FIGURE 46. SHUTDOWN (V
BYP
V
POK1 OR POK2 5V/DIV
V
OUT2
FIGURE 50. LOAD TRANSIENT V
OUT1
FIGURE 48. LOAD TRANSIENT V
= 5V, PVCC = 5V, V
2V/DIV
2V/DIV
EN1 5V/DIV
EN2 = REF)
V
A
LGATE1 5V/DIV
OUT2
V
V
= +25°C. (Continued)
OUT2
OUT1
LGATE2 5V/DIV
IL1 5A/DIV
RIPPLE 50mV/DIV
IL2 5A/DIV
RIPPLE 50mV/DIV
RIPPLE 100mV/DIV
EN_LDO
OUT1
= 5V, T
= 5V, V
V
OUT1
OUT1
OUT1
A
OUT2
RIPPLE 20mV/DIV
= -40°C to +100°C,
= 3.3V (SKIP)
REF3
= 5V (SKIP)
= 3.3V,
, and REF,
June 28, 2007
FN6453.1
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