ST1638 Stanson Technology, ST1638 Datasheet - Page 4

• Manufacturer Part Number: ST1638
• Description: Step-Up DC/DC Converter High Efficiency PFM
• Manufacturer: Stanson Technology

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: [phone] FAX: [phone]
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
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