ISL6442 INTERSIL [Intersil Corporation], ISL6442 Datasheet - Page 4

• Manufacturer Part Number: ISL6442
• Manufacturer: INTERSIL [Intersil Corporation]

Electrical Specifications
Absolute Maximum Ratings
SS1/EN1, SS2/EN2, COMP1, COMP2 to SGND . . . -0.3V to +6.0V
VCC, FB1, FB2, RT, PGOOD to SGND . . . . . . . . . . . -0.3V to +6.0V
LCDR, LCFB to SGND. . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.0V
VIN, OCSET1, and OCSET2 to PGND . . . . . . . . . . . . -0.3V to +28V
BOOT1 and BOOT2 to PGND . . . . . . . . . . . . . . . . . . . -0.3V to +33V
BOOT1 to PHASE1, and BOOT2 to PHASE2 . . . . . . -0.3V to +6.0V
UGATE1 to PHASE1 . . . . . . . . . . . . . . . . . -0.3V to (BOOT1 +0.3V)
UGATE2 to PHASE2 . . . . . . . . . . . . . . . . . -0.3V to (BOOT2 +0.3V)
LGATE1, LGATE2 to PGND . . . . . . . . . . . . . . -0.3V to (VCC+0.3V)
PHASE1, PHASE2 to PGND . . . . . . . . . . . . . . . . . . . . . . -1V to 28V
SGND to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 0.3V
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
VIN SUPPLY
Input Operating Supply Current
Input Standby Supply Current
VCC INTERNAL REGULATOR
Output Voltage
Maximum Output Current
VCC Current Limit (Note 3)
REFERENCE AND SOFT-START
Reference Voltage at FB1, FB2
Reference Voltage at FB1, FB2
EN
EN
EN
Hysteresis
EN
Voltage
POWER-ON RESET ON VCC
Rising Threshold
Falling Threshold
1. All voltages are measured with respect to GND.
2. θ
x
x
x
x
/SS
/SS
/SS
/SS
JA
x
x
x
x
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Enable Threshold
Enable Threshold
Soft-Start Current
Soft-Start Top of Ramp
PARAMETER
4
Operating Conditions Unless Otherwise Noted: VIN = 12V, or V
values are at +25°C. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise
specified. Temperature limits established by characterization and are not production tested.
I
I
V
I
I
V
V
V
V
I
V
V
V
V
V
CC_op
CC_sb
ICC_max
ICC_CL
SSx
(Note 1)
SYMBOL
VCC
REF1
REF2
REF1
REF2
ENx
ENx_hys
SSx_top
POR_r
POR_f
,
,
VIN = 5.5V or 12V; LGATE
FB forced above regulation point (no
switching)
VIN = 24V
VIN = 5.5V, 12V, 24V;
SS1/EN1 = SS2/EN2 = 0V
VIN > 5.5V
VIN = 12V
VCC is pulled to PGND; (Note 4)
VIN = 5V or 12V; T
VIN = 5V or 12V; T
VIN = 5V or 12V; T
VIN = 24V; T
VIN = 24V; T
VIN = 24V; T
(Note 3)
(Note 3)
TEST CONDITIONS
A
A
A
= +25°C
= 0°C to +85°C
= -40°C to +85°C
ISL6442
A
A
A
= +25°C
= 0°C to +85°C
= -40°C to +85°C
x
, UGATE
Thermal Information
Thermal Resistance (Typical, Note 2)
Maximum Junction Temperature (Plastic Package).-55°C to +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
Recommended Operating Conditions
VCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V ±10%
VIN Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V to 24V
QSOP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
x
Open,
0.5925
0.5900
0.5940
0.5915
CC
3.85
MIN
4.5
0.8
4.2
80
20
= 5V ±10%, T
0.6000
0.6015
TYP
1.25
300
4.5
5.2
1.0
3.2
4.4
4.0
50
30
50
A
= -40°C to +85°C. Typical
0.6085
0.6085
0.6100
0.6100
4.475
MAX
7.5
5.5
1.2
4.1
70
40
2
October 31, 2008
θ
JA
UNITS
mA
mA
mA
mA
mA
mV
µA
FN9204.2
(°C/W)
85
V
V
V
V
V
V
V
V
V
V
V