96

Unit

V

A

°C

sFeatures

• Integrated switching IC and coil construction

• Requires 2 external components only

• Low switching noise

• Heatsink not required

• Built-in overcurrent and thermal protection circuits

• Built-in soft start circuit (Output ON/OFF control)...SI-8500L Series

sApplications

• Telephone power supplies

• Onboard local power supplies

sLineup

Separate Excitation Switching Type with Coil

Symbol

SI-8400L/8500L Series

sRecommended Operating Conditions

sAbsolute Maximum Ratings

Unit

V

A

°C

Unit

V

W

°C

°C

Symbol

Symbol

Ratings

SI-8400L

SI-8500L

35

1.25

3

+100

–25 to +85

Part Number

SI-8401L

SI-8402L

SI-8403L

SI-8405L

SI-8501L

SI-8502L

SI-8503L

SI-8504L

SI-8505L

5.0

12.0

3.3

15.0

5.0

12.0

3.3

9.0

15.0

0.5

0.4

0.5

0.4

1.0

Parameter

DC Input Voltage Range

Output Current Range

Operating Temperature Range

Parameter

DC Input Voltage Range

Output Current Range

Operating Temperature Range

Parameter

DC Input Voltage

Power Dissipation

Junction Temperature

Storage Temperature

Ratings

SI-8401L

SI-8402L

SI-8403L

SI-8405L

7 to 33

15 to 33

5.3 to 33

18 to 33

0 to 0.5

0 to 0.4

0 to 0.5

0 to 0.4

–20 to +85

Ratings

SI-8501L

SI-8502L

SI-8503L

SI-8504L

SI-8505L

7 to 33

15 to 33

5.3 to 33

12 to 33

18 to 33

0 to 1.0

–20 to +85

qSI-8400L/8500L Series