6
FN6288.5
October 7, 2008
Absolute Maximum Ratings Thermal Information
Input Voltage, VIN, VFF, HSOC . . . . . . . . . . . . . . . . -0.3V to +22.0V
Driver Bias Voltage, PVCC . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
Signal Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
BOOT Voltage, V
BOOT
. . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +36V
BOOT to PHASE Voltage (V
BOOT-
V
PHASE
) . . . . . -0.3V to 7V (DC)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 9V (<10ns)
PHASE Voltage, V
PHASE
. . . . . . . . . V
BOOT
- 7V to V
BOOT
+ 0.3V
. . . . . . . . . . . . . . . . . . . . . .V
BOOT
- 9V (<10ns) to V
BOOT
+ 0.3V
UGATE Voltage . . . . . . . . . . . . . . . . V
PHASE
- 0.3V (DC) to V
BOOT
V
PHASE
- 5V (<20ns Pulse Width, 10µJ) to V
BOOT
LGATE Voltage . . . . . . . . . . . . . . . GND - 0.3V (DC) to VCC + 0.3V
GND - 2.5V (<20ns Pulse Width, 5µJ) to VCC + 0.3V
Other Input or Output Voltages . . . . . . . . . . . . . -0.3V to VCC +0.3V
Thermal Resistance (Notes 1, 2) θ
JA
(°C/W) θ
JC
(°C/W)
QFN Package . . . . . . . . . . . . . . . . . 32 5
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range. . . . . . . . . .-65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Recommended Operating Conditions
Input Voltage, VIN, VFF. . . . . . . . . . . . . . . . . . . . 3.3V to 20V ±10%
Driver Bias Voltage, PVCC . . . . . . . . . . . . . . . . . . . . . . 2.9V to 5.5V
Signal Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . 2.9V to 5.5V
Boot to Phase Voltage (Overcharged), V
BOOT
- V
PHASE
. . . . . .<6V
Ambient Temperature Range. . . . . . . . . . . . . . . . . . .-40°C to +85°C
Junction Temperature Range. . . . . . . . . . . . . . . . . .-40°C to +125°C
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:
1. θ
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features.
2. θ
JC
, "case temperature" location is at the center of the package underside exposed pad. See Tech Brief TB379 for details.
3. Limits should be considered typical and are not production tested.
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted. Parts are 100% tested at +25°C. Temperature
limits established by characterization and are not production tested.
SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
INPUT SUPPLY CURRENTS
I
VCC
Nominal VCC Supply Current VIN = VCC = PVCC = 5V, Fs = 600kHz,
UGATE and LGATE Open
-813mA
I
PVCC
Nominal PVCC Supply Current VIN = VCC = PVCC = 5V; Fs = 600kHz,
UGATE and LGATE Open
-3 4mA
I
VIN
Nominal VIN Supply Current VIN = VCC = PVCC = 5V; Fs = 600kHz,
UGATE and LGATE Open
-0.5 1mA
I
VCC_S
Shutdown VCC Supply Current EN = 0V, VCC = PVCC = VIN = 5V - 3 4 mA
I
PVCC_S
Shutdown PVCC Supply Current EN = 0V, VCC = PVCC = VIN = 5V - 1 2 mA
I
VIN_S
Shutdown VIN Supply Current EN = 0V, VCC = PVCC = VIN = 5V - 0.5 1 mA
POWER-ON RESET
POR
VCC_R
Rising VCC Threshold 2.79 - 2.89 V
POR
VCC_F
Falling VCC Threshold 2.59 - 2.69 V
POR
VCC_H
VCC Hysterisis 187 215 250 mV
POR
PVCC_R
Rising PVCC Threshold 2.79 - 2.91 V
POR
PVCC_F
Falling PVCC Threshold 2.59 - 2.70 V
POR
PVCC_H
PVCC Hysterisis 193 215 250 mV
POR
VFF_R
Rising VFF Threshold 1.48 - 1.54 V
POR
VFF_F
Falling VFF Threshold 1.35 - 1.41 V
POR
VFF_H
VFF Hysterisis 127 137 146 mV
ENABLE
V
EN_REF
Input Reference Voltage 0.485 0.500 0.515 V
I
EN_HYS
Hysteresis Source Current 7.5 10 11.5 µA
V
EN
Maximum Input Voltage - VCC + 0.3 - V
ISL6540A
