1638 查看數據表（PDF） - STANSON TECHNOLOGY
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1638 Datasheet PDF : 7 Pages
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Step-Up DC/DC Converter
High Efficiency PFM
ST1638
ABSOULTE MAXIMUN RATINGS ( Ta=25℃, unless otherwise specified.)
The following ratings designate persistent limits beyond which damage to the device may occur.
Symbol
Parameter
Value
Unit
VOUT
DC Supply Vlotage
6
V
VSW
SW Pin Voltage
6
V
ISW
Switching Current
0.6
A
Pd
Power Dissipation @ Ta=25℃* SOT-89
SOT-23
Pj
Operating Junction Temperature Range
0.5
W
0.25
-40 to 85
℃
Tstg
Storage Temperature Range
-65 to 150
℃
Tlead Lead Soldering Temperaature for 10 sec SOT-89
260
℃
SOT-23
220
Rθjc Thermal Resistance Junction-Case(*)
SOT-89
100
℃/W
SOT-23
95
(*)The power dissipation and thermal resistance are evaluated under copper board mounted with free air
conditions.
STANSON TECHNOLOGY
120 Bentley Square, Mountain View, Ca 94040 USA
TEL: (650) 9389294 FAX: (650) 9389295
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