FAN5346 データシートの表示（PDF） - Fairchild Semiconductor
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FAN5346 Datasheet PDF : 14 Pages
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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.
Symbol
Parameter
VIN
VIN Pin
VFB, VEN FB, EN Pins
VSW SW Pin
FAN5346S20X
FAN5346S30X
VOUT VOUT Pin
FAN5346S20X
FAN5346S30X
ESD
Human Body Model per JESD22-A114
Electrostatic Discharge Protection
Charged Device Model per JESD22-C101
TJ
TSTG
TL
Junction Temperature
Storage Temperature
Lead Soldering Temperature, 10 Seconds
Min. Max.
-0.3
6.0
-0.3 VIN + 0.3
-0.3
22.0
-0.3
33.0
-0.3
22.0
-0.3
33.0
1.5
1.5
-40
+150
-65
+150
+260
Unit
V
V
V
V
V
V
kV
°C
°C
°C
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. Max. Unit
VIN
VOUT
VIN Supply Voltage
VOUT Voltage(1)
FAN5346S20X
FAN5346S30X
2.5
5.5
V
6.2
18.5
V
6.2
28.5
IOUT
VOUT Load Current
TA
Ambient Temperature
TJ
Junction Temperature
5
25
mA
-40
+85
°C
-40
+125
°C
Note:
1. Application should guarantee that minimum and maximum duty cycle fall between 20-85% to meet the specified range.
Thermal Properties
Junction-to-ambient thermal resistance is a function of application and board layout. This data is measured with four-layer
2s2p boards in accordance to JEDEC standard JESD51. Special attention must be paid not to exceed junction temperature
TJ(max) at a given ambient temperature TA.
Symbol
Parameter
θJA
Junction-to-Ambient Thermal Resistance, SSOT23-6 Package
Typical
151
Unit
°C/W
© 2011 Fairchild Semiconductor Corporation
FAN5346 • Rev. 1.0.1
4
www.fairchildsemi.com
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