ISL6625A
3
FN7978.0
September 19, 2012
Absolute Maximum Ratings Thermal Information
Supply Voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
BOOT Voltage (V
BOOT - GND
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V
Input Voltage (V
PWM
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 7V
UGATE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
PHASE
- 0.3V
DC
to V
BOOT
+ 0.3V
V
PHASE
- 3.5V (<100ns Pulse Width, 2µJ) to V
BOOT
+ 0.3V
LGATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V
DC
to V
VCC
+ 0.3V
GND - 5V (<100ns Pulse Width, 2µJ) to V
VCC
+ 0.3V
PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V
DC
to 25V
DC
GND - 8V (<400ns, 20µJ) to 30V (<200ns, V
BOOT - GND
<36V)
ESD Rating
Human Body Model (Tested per Class I JEDEC STD) . . . . . . . . . . . .2.5kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250V
Thermal Resistance θ
JA
(°C/W) θ
JC
(°C/W)
2x2 DFN Package (Notes 4, 5) . . . . . . . . . . 90 25
Maximum Junction Temperature (Plastic Package) . . . . . . . . . . . .+150°C
Maximum Storage Temperature Range . . . . . . . . . . . . . .-65°C to +150°C
Recommended Operating Conditions
Ambient Temperature Range (ISL6625AIRZ). . . . . . . . . . . -40°C to +85°C
Ambient Temperature Range (ISL6625ACRZ) . . . . . . . . . . . .0°C to +70°C
Maximum Operating Junction Temperature . . . . . . . . . . . . . . . . . . +125°C
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V to 13.2V
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:
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.
PARAMETER SYMBOL TEST CONDITIONS
MIN
(Note 6) TYP
MAX
(Note 6) UNITS
VCC SUPPLY CURRENT (Note 6)
No Load Switching Supply Current I
VCC
V
VCC
= 12V, F
PWM
= 300kHz - 7.56 - mA
I
VCC
V
VCC
= 12V, PWM = 2.5V - 0.72 - mA
POWER-ON RESET
VCC Rising Threshold -4.64- V
VCC Falling Threshold -4.17- V
PWM INPUT (See “TIMING DIAGRAM” on page 4)
Input Current I
PWM
V
PWM
= 5V - 124 - µA
V
PWM
= 0V - -141 - µA
Three-State Upper Gate Rising Threshold VCC = 12V - 2.77 - V
Three-State Upper Gate Falling Threshold VCC = 12V - 3.23 - V
Three-State Lower Gate Rising Threshold VCC = 12V - 1.20 - V
Three-State Lower Gate Falling Threshold VCC = 12V - 1.50 - V
UGATE Rise Time t
RU
V
VCC
= 12V, 3nF Load, 10% to 90% - 31 - ns
LGATE Rise Time t
RL
V
VCC
= 12V, 3nF Load, 10% to 90% - 28 - ns
UGATE Fall Time t
FU
V
VCC
= 12V, 3nF Load, 90% to 10% - 18 - ns
LGATE Fall Time t
FL
V
VCC
= 12V, 3nF Load, 90% to 10% - 16 - ns
UGATE Turn-On Propagation Delay t
PDHU
V
VCC
= 12V, 3nF Load, Adaptive - 16 - ns
LGATE Turn-On Propagation Delay t
PDHL
V
VCC
= 12V, 3nF Load, Adaptive - 38 - ns
UGATE Turn-Off Propagation Delay t
PDLU
V
VCC
= 12V, 3nF Load - 21 - ns
LGATE Turn-Off Propagation Delay t
PDLL
V
VCC
= 12V, 3nF Load - 23 - ns