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Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above
the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended
exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum
ratings are stress ratings only.
7.0
Symbol
SW, VIN Pins
Parameter
Min.
-0.3
Max.
(3)
Unit
V IN
Other Pins
Tied without Series Impedance
Tied through Series Resistance ≥ 100 ?
-0.3
-0.3
4.5
V IN
V
ESD
T J
T STG
Electrostatic Discharge
Protection Level
Junction Temperature
Storage Temperature
Human Body Model per JESD22-A114
Charged Device Model per JESD22-C101
–40
–65
2250
1500
+150
+150
V
°C
°C
T L
Lead Soldering Temperature, 10 Seconds
+260
°C
Note:
3. V IN slew rate is limited to 1 V/μs.
4. Lesser of 7 V or V IN +0.3 V.
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating
conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend
exceeding them or designing to Absolute Maximum Ratings.
Symbol
Parameter
Min.
Typ.
Max.
Unit
V IN
V OUT
I OUT
L
C IN
C OUT
T A
T J
Supply Voltage Range
Output Voltage Range
Output Current
Inductor
Input Capacitor
Output Capacitor
Operating Ambient Temperature
Operating Junction Temperature
2.7
0.8
0
-40
-40
0.47
10
20
5.5
90% Duty Cycle
5
1.20
+85
+125
V
V
A
μH
μF
μ F
°C
°C
Thermal Properties
38
Symbol
? JA
Parameter
Junction-to-Ambient Thermal Resistance
Typical
(5)
Unit
°C/W
Note:
5.
See Thermal Considerations in the Applications section .
? 2011 Fairchild Semiconductor Corporation
FAN53540 ? Rev. 1.0.3
4
www.fairchildsemi.com
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