isl6236a Intersil Corporation, isl6236a Datasheet - Page 4

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

Electrical Specifications
Current-Limit Threshold
(Positive, Adjustable)
Zero-Current Threshold
Current-Limit Threshold (Negative, Default)
Soft-Start Ramp Time
Operating Frequency
On-Time Pulse Width
Minimum Off-Time
Maximum Duty Cycle
Ultrasonic SKIP Operating Frequency
INTERNAL REGULATOR AND REFERENCE
LDO Output Voltage
LDO Output Voltage
LDO Output Voltage
LDO Output Accuracy in Adjustable Mode
LDOREFIN Input Range
LDO Output Current
LDO Output Current During Switchover to 5V BYP = 5V, V
PARAMETER
4
No load on LDO, OUT1, OUT2, V
VEN_LDO = 5V, T
GND - PHASE
SKIP# = GND, REF, or OPEN, GND - PHASE
SKIP# = VCC, GND - PHASE
Zero to full limit
V
(400kHz/300kHz)
V
T
T
SKIP# = REF or OPEN
BYP = GND, 5.5V < V
0 < ILDO < 100mA
BYP = GND, 4.5V < V
0 < ILDO < 100mA
BYP = GND, 4.5V < V
0 < ILDO < 100mA
V
V
V
V
BYP = GND, V
(V
(V
SKIP# = VCC
(V
V
V
V
V
A
A
t ON
t ON
IN
IN
IN
LDO
tON
tON
tON
tON
tON
tON
tON
= -40°C to +100°C
= -40°C to +85°C
= 4.5V to 25V, V
= 4.5V to 25V, V
= 5.5V to 25V, V
= 2 x V
= GND (400kHz/500kHz)
= REF or OPEN
= VCC (200kHz/300kHz)
= GND
= REF or OPEN
= VCC
A
= GND), SKIP# = VCC
= REF or OPEN),
= VCC), SKIP# = VCC
= -40°C to +100°C, unless otherwise noted. Typical values are at T
IN
LDOREFIN
IN
= 5.5V to 25V, LDOREFIN < 0.3V
= 4.5V to 25V, Guaranteed by design
ISL6236A
LDOREFIN
LDOREFIN
LDOREFIN
CONDITIONS
IN
IN
IN
REF3
< 25V, LDOREFIN > (VCC - 1V),
< 25V, LDOREFIN < 0.3V,
< 25V, LDOREFIN = 2V,
, and REF, V
= 0.35V to 0.5V
= 0.5V to 2V
= 2V to 2.25V
V
V
V
SMPS 1
SMPS 2
SMPS 1
SMPS 2
SMPS 2
V
V
V
V
V
V
V
V
V
V
V
SMPS 1
V
ILIM
ILIM
ILIM
OUT1
OUT2
OUT1
OUT2
OUT1
OUT2
OUT1
OUT2
OUT1
OUT2
OUT1
OUT2
IN
= 0.5V
= 1V
= 2V
= 3.33V
= 3.33V
= 5.00V
= 5.05V
= 3.33V
= 5.05V
= 3.33V
= 5.05V
= 3.33V
= 5.05V
= 5.05V
= 3.33V
= 12V, EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V,
0.895
0.475
0.895
0.833
1.895
0.833
4.925
3.250
3.94
0.35
MIN
185
200
200
40
93
25
1.052
0.555
1.052
0.925
2.105
0.925
5.000
3.300
-120
TYP
4.00
100
200
400
500
400
300
200
300
300
300
1.7
50
88
85
88
91
94
91
37
3
A
= +25°C. (Continued)
1.209
0.635
1.209
1.017
2.315
1.017
5.075
3.350
MAX
4.06
±2.5
±1.5
±1.5
2.25
107
215
425
410
100
200
60
June 28, 2007
FN6453.1
UNITS
kHz
kHz
kHz
kHz
kHz
kHz
kHz
mV
mV
mV
mV
mV
mA
mA
ms
µs
µs
µs
µs
µs
µs
ns
ns
%
%
%
%
%
%
%
%
%
V
V
V
V