isl6237 Intersil Corporation, isl6237 Datasheet - Page 3

• Manufacturer Part Number: isl6237
• Description: High-efficiency, Quad-output, Main Power Supply Controllers For Notebook Computers
• Manufacturer: Intersil Corporation

Electrical Specifications
Absolute Voltage Ratings
VIN, EN_LDO to GND . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +27V
BOOT_ to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +33V
BOOT_ to PHASE_ . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
VCC, EN_, SKIP#, TON,
PVCC, POK_ to GND . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
LDO, FB1, REFIN2, LDOREFIN to GND . . . -0.3V to (VCC + 0.3V)
OUT_, REF to GND . . . . . . . . . . . . . . . . . . . . -0.3V to (VCC + 0.3V
UGATE_ to PHASE_ . . . . . . . . . . . . . . . . . . -0.3V to (PVCC + 0.3V)
ILIM_ to GND . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (VCC + 0.3V)
LGATE_, BYP to GND . . . . . . . . . . . . . . . . . -0.3V to (PVCC + 0.3V)
PGND to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to + 0.3V
LDO, REF Short Circuit to GND . . . . . . . . . . . . . . . . . . . Continuous
VCC Short Circuit to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1s
LDO Current (Internal Regulator) Continuous . . . . . . . . . . . . 100mA
LDO Current (Switched Over to OUT1) Continuous . . . . . . +200mA
CAUTION: Stress above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational section of this specification is not implied.
NOTES:
MAIN SMPS CONTROLLERS
VIN Input Voltage Range
3.3V Output Voltage in Fixed Mode
1.05V Output Voltage in Fixed Mode
1.5V Output Voltage in Fixed Mode
5V Output Voltage in Fixed Mode
FB1 in Output Adjustable Mode
REFIN2 in Output Adjustable Mode
SMPS1 Output Voltage Adjust Range
SMPS2 Output Voltage Adjust Range
SMPS2 Output Voltage Accuracy
(Referred for REFIN2)
DC Load Regulation
Line Regulation
Current-Limit Current Source
ILIM_ Adjustment Range
Current-Limit Threshold (Positive, Default)
1. T
2. For T
Tech Brief TB379.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
PARAMETER
3
No load on LDO, OUT1, OUT2, and REF, V
V
EN_LDO
= 5V, T
LDO in regulation
V
V
V
SKIP# = 5V
V
V
V
V
SMPS1
SMPS2
REFIN2 = 0.7V to 2.5V, SKIP# = VCC
Either SMPS, SKIP# = VCC, 0 to 5A
Either SMPS, SKIP# = REF, 0 to 5A
Either SMPS, SKIP# = GND, 0 to 5A
Either SMPS, 6V < V
ILIM_ = VCC, GND - PHASE_
(No temperature compensation)
Temperature = +25° C
IN
IN
IN
IN
IN
IN
IN
= 5.5V to 25V, 3.0 < REFIN2 < (VCC - 1.1V),
= LDO, V
= 5.5V to 25V, REFIN2 > (VCC - 1V), SKIP# = 5V
= 5.5V to 25V, FB1 = VCC, SKIP# = 5V
= 5.5V to 25V, FB1 = GND, SKIP# = 5V
= 5.5V to 25V
= 5.5V to 25V
A
= -40° C to +100° C, unless otherwise noted. Typical values are at T
OUT1
< 4.43V
ISL6237
IN
CONDITIONS
< 24V
Thermal Information
Thermal Resistance (Typical)
Operating Temperature Range . . . . . . . . . . . . . . . .-40°C to +10 0°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +15 0°C
IN
32 Ld QFN (Notes 1, 2) . . . . . . . . . . . .
= 12V, EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V,
3.285
1.038
1.482
4.975
0.693
0.70
0.50
4.75
MIN
-1.0
5.5
4.5
0.7
0.2
93
3.330
5.050
0.700
1.500
0.005
TYP
1.05
-0.1
-1.7
-1.5
100
5
T
A
JA
= +25°C.
(°C /W)
32
3.375
1.062
5.125
0.707
1.518
MAX
2.50
5.50
2.50
5.25
107
5.5
1.0
25
2
March 16, 2007
T
JC
FN6418.1
3.0
UNITS
(°CW )
%/V
mV
µA
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V