© 2009 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FSL137H Rev. 1.0.3

Application Diagram

HV

Drain

GND

VDD

FB

VIN

Figure 1. Typical Flyback Application

Output Power Table

(1)

Product

(2)

Adapter

(3)

Open Frame

(4)

Adapter

(3)

Open Frame

(4)

FSL137H

17.5W

25W

13W

19W

Notes:

1.

The maximum output power can be limited by junction temperature.

2.

3.

Typical continuous power in a non-ventilated enclosed adapter with sufficient drain pattern as a heat sink,

4.

Maximum practical continuous power in an open-frame design with sufficient drain pattern as a heat sink,

Internal Block Diagram

Figure 2. Internal Block Diagram