ISL97645A View Datasheet(PDF) - Renesas Electronics
Part Name
Description
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ISL97645A Datasheet PDF : 16 Pages
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ISL97645A
Absolute Maximum Ratings
Lx to GND, AGND and PGND . . . . . . . . . . . . . . . . . . . . -0.5 to +25V
VDD2, OUT, NEG and POS
to GND, AGND and PGND. . . . . . . . . . . . . . . . . . . . . -0.5 to +25V
VDD1, VGH and VGH_M
to GND, AGND and PGND. . . . . . . . . . . . . . . . . . . . . -0.5 to +32V
Differential Voltage Between POS and NEG . . . . . . . . . . . . . . . ±6V
Voltage Between GND, AGND and PGND . . . . . . . . . . . . . . . ±0.5V
All Other Pins to GND, AGND and PGND . . . . . . . . . . -0.5 to +6.5V
Input, Output, or I/O Voltage . . . . . . . . . . . GND -0.3V to VIN + 0.3V
Recommended Operating Conditions
Input Voltage Range, VS . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
Boost Output Voltage Range, AVDD. . . . . . . . . . . . . . . . . . 8V to 20V
Input Capacitance, CIN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22µF
Boost Inductor, L1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3µH to 10µH
Output Capacitance, COUT. . . . . . . . . . . . . . . . . . . . . . . .2µF x 22µF
Operating Ambient Temperature Range . . . . . . . . . .-40°C to +85°C
Operating Junction Temperature . . . . . . . . . . . . . . .-40°C to +125°C
Thermal Information
Thermal Resistance
JA (°C/W) JC (°C/W)
4x4 QFN Package (Notes 4, 5) . . . . . .
39
2.5
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Maximum Continuous Junction Temperature . . . . . . . . . . . +125°C
Power Dissipation
TA +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.44W
TA = +70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.34W
TA = +85°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.98W
TA = +100°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.61W
Pb-Free Reflow Profile
see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
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
VIN = ENABLE = 5V, VDD1 = VDD2 = 14V, VGH = 25V, AVDD = 10V, TA = -40°C to +85°C
Unless Otherwise Noted. Boldface limits apply over the operating temperature range,
-40°C to +85°C.
SYMBOL
PARAMETER
TEST CONDITION
MIN
(Note 6)
TYP
MAX
(Note 6) UNIT
GENERAL
VS
VIN Input Voltage Range
2.7
IS_DIS
VIN Supply Currents when Disabled ENABLE = 0V
IS
VIN Supply Currents
ENABLE = 5V, LX not switching
UVLO
Under Voltage Lockout Threshold
VIN2 Rising
2.3
VIN2 Falling
2.2
OTR
Thermal Shutdown Temperature
Temperature Rising
OTF
Temperature Falling
LOGIC INPUT CHARACTERISTICS - ENABLE, VFLK, FREQ, VDPM
3.3
1
1
2.45
2.35
140
100
5.5
V
3.5
µA
mA
2.6
V
2.5
V
°C
°C
VIL
Low Voltage Threshold
VIH
High Voltage Threshold
RIL
Pull-Down Resistor
STEP-UP SWITCHING REGULATOR
Enabled, Input at VIN
0.8
V
2.2
V
150
250
400
k
AVDD
Output Voltage Range
VBOOST/IOUT Load Regulation
VBOOST/VIN Line Regulation
ACCAVDD
Overall Accuracy (Line, Load,
Temperature)
VFB
Feedback Voltage (VFB)
VIN*1.25
50mA < ILOAD < 250mA
ILOAD = 150mA, 3.0 < VIN < 5.5V
10mA < ILOAD < 300mA,
-3
3.0 < VIN < 5.5V, 0°C < TA < +85°C
ILOAD = 100mA, TA = +25°C
1.20
ILOAD = 100mA, TA = -40°C to +85°C 1.19
0.2
0.15
1.21
1.21
20
V
%
0.25
%
3
%
1.22
V
1.23
V
FN6353 Rev 1.00
October 21, 2010
Page 3 of 16
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