ISL6269A
5
FN9253.3
November 18, 2014
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Absolute Voltage Ratings
ISEN, VIN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +28V
VCC, PGOOD to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7.0V
PVCC to PGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7.0V
GND to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V
EN, FCCM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to GND, VCC +3.3V
VO, FB, COMP, FSET . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to GND, VCC +0.3V
PHASE to GND (DC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +28V
(<100ns Pulse Width, 10µJ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -5.0V
BOOT to GND, or PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +33V
BOOT to PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7V
UG (DC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to PHASE, BOOT +0.3V
(<200ns Pulse Width, 20µJ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -4.0V
LG (DC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to PGND, PVCC +0.3V
(<100ns Pulse Width, 4µJ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -2.0V
Thermal Information
Thermal Resistance (Typical, Notes 4, 5)
JA
(°C/W)
JC
(°C/W)
QFN Package . . . . . . . . . . . . . . . . . . . . . . . . 48 11.5
Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . -55C to +150C
Operating Temperature Range
ISL6269ACRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-10°C to +100°C
ISL6269AIRZ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +100°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65C to +150C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see TB493
Recommended Operating Conditions
Ambient Temperature Range
ISL6269ACRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-10°C to +100°C
ISL6269AIRZ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +100°C
Supply Voltage (VIN to GND) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V to 25V
VCC to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V ±5%
PVCC to PGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V ±5%
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.
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
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications These specifications apply for V
IN
= 15V, T
A
= -40°C to +100°C, unless otherwise stated. All typical
specifications T
A
= +25°C, VCC = 5V, PVCC = 5V, V
IN
= 15V
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
VIN
VIN Input Bias Current I
VIN
EN = 5V, VIN = 5V - 6.5 10 µA
EN = 5V, VIN = 25V - 26 35 µA
VIN Shutdown Current I
VIN_SHDN
EN = GND, VIN = 25V - 0.1 1.0 µA
VCC and PVCC
VCC Input Bias Current I
VCC
EN = 5V, FCCM = GND, FB = 0.65V - 1.7 2.5 mA
VCC Shutdown Current I
VCC_SHDN
EN = GND, VCC = 5V - 0.1 1.0 µA
PVCC Shutdown Current I
PVCC_SHDN
EN = GND, PVCC = 5V - 0.1 1.0 µA
VCC POR THRESHOLD
Rising VCC POR Threshold Voltage V
VCC_THR
T
A
= -10°C to +100°C 4.35 4.45 4.55 V
4.33 4.45 4.55 V
Falling VCC POR Threshold Voltage
V
VCC_THF
T
A
= -10°C to +100°C 4.10 4.20 4.30 V
4.08 4.20 4.30 V
REGULATION
Reference Voltage V
REF
- 0.6 - V
Regulation Accuracy FB connected to COMP -1 - +1 %
PWM
Frequency Range f
SW
FCCM = 5V 200 - 600 kHz
Frequency-set Accuracy f
SW
= 300kHz -12 - +12 %
VO Range V
VO
0.60 - 3.30 V
VO Input Leakage
I
VO
VO = 0.60V - 1.3 - µA
VO = 3.30V - 7.0 - µA
