5
Absolute Maximum Ratings Thermal Information
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.0V
SYNC, FB, VSET & Enable Input (Note 3) . . . . -0.3V to VCC+0.3V
ESD Classification (Human Body Model) . . . . . . . . . . . . . . . Class 2
Thermal Resistance (Typical) θ
JA
(°C/W) θ
JC
(°C/W)
MSOP Package (Note 4) . . . . . . . . . . . 128 NA
QFN Package (Notes 4, 5). . . . . . . . . . 45 7.5
Maximum Junction Temperature (Plastic Package) . . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (10s, soldering . . . . . . . . . . . . . 260°C
Ambient Temperature Range. . . . . . . . . . . . . . . . . . . . -40°C to 85°C
Junction Temperature Range. . . . . . . . . . . . . . . . . . . -40°C to 125°C
CAUTION: Stresses 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 sections of this specification is not implied.
NOTES:
3. All voltages are with respect to GND.
4. θ
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
5. For θ
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications Recommended operating conditions unless otherwise noted. V
IN
= 3.3V ±10% (ISL6410) or 5V ±10%
(ISL6410A), T
A
= 25°C (Note 6).
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
V
CC
SUPPLY
Supply Voltage Range VIN (ISL6410) 3.0 3.3 3.6 V
VIN (ISL6410A) 4.5 5.0 5.5 V
Input UVLO Threshold V
TR
(ISL6410) Rising 2.62 2.68 2.73 V
V
TF
(ISL6410) Falling 2.53 2.59 2.64 V
V
TR
(ISL6410A) Rising 4.27 4.37 4.45 V
V
TF
(ISL6410A) Falling 4.1 4.22 4.32 V
Quiescent Supply Current I
OUT
= 0mA - 2.3 - mA
Shutdown Supply Current EN = GND, T
A
= 25°C - 5 10 µA
EN = GND, T
A
= 85°C - 10 15 µA
Thermal Shutdown Temperature (Note 7) Rising Threshold - 150 - °C
Thermal Shutdown Hysteresis (Note 7) - 20 25 °C
SYNCHRONOUS BUCK PWM REGULATOR
Output Voltage ISL6410, VSET = L - 1.2 - V
ISL6410, VSET = H - 1.8 - V
ISL6410, VSET = OPEN - 1.5 - V
ISL6410A, VSET = L - 1.2 - V
ISL6410A, VSET = H - 3.3 - V
ISL6410A, VSET = OPEN - 1.8 - V
Output Voltage Accuracy I
OUT
= 3mA, T
A
= -40°C to 85°C -1.5 - +1.5 %
Line Regulation I
OUT
= 3mA -0.5 - +0.5 %
Load Regulation I
OUT
= 3mA to 600mA -1.5 - +1.5 %
Maximum Output Current - - 600 mA
Peak Output Current Limit 700 - 1300 mA
PMOS r
DS(ON)
I
OUT
= 200mA - 230 - mΩ
NMOS r
DS(ON)
I
OUT
= 200mA - 230 - mΩ
Efficiency I
OUT
= 200mA, V
IN
= 3.3V, V
O
= 1.8V (ISL6410) - 92 - %
ISL6410, ISL6410A
