st1638-xxs89 Stanson Technology Co., Ltd., st1638-xxs89 Datasheet - Page 4
![no-image](/images/no-image-200.jpg)
st1638-xxs89
Manufacturer Part Number
st1638-xxs89
Description
Step-up Dc/dc Converter High Efficiency
Manufacturer
Stanson Technology Co., Ltd.
Datasheet
1.ST1638-XXS89.pdf
(7 pages)
Step-Up DC/DC Converter
High Efficiency PFM
ABSOULTE MAXIMUN RATINGS ( Ta=25℃, unless otherwise specified.)
The following ratings designate persistent limits beyond which damage to the device may occur.
(*)The power dissipation and thermal resistance are evaluated under copper board mounted with free air
conditions.
Symbol
Rθjc
Tlead
V
Tstg
V
I
Pd
Pj
OUT
SW
SW
DC Supply Vlotage
SW Pin Voltage
Switching Current
Power Dissipation @ Ta=25℃* SOT-89
Operating Junction Temperature Range
Storage Temperature Range
Lead Soldering Temperaature for 10 sec
Thermal Resistance Junction-Case(*)
STANSON TECHNOLOGY
120 Bentley Square, Mountain View, Ca 94040 USA
TEL: (650) 9389294 FAX: (650) 9389295
Parameter
SOT-23
SOT-89
SOT-23
SOT-89
SOT-23
ST1638
-65 to 150
-40 to 85
Value
0.25
260
220
100
0.6
0.5
95
6
6
℃/W
Unit
W
℃
℃
℃
V
V
A
Page 4