©SiFirst Technology

- 2 -

Confidential

SiFirst_DS_5539H_V1.0

CT

VDD

1

2

3

FB

GND

GND

Drain

DIP8

4

8

7

6

5

CS

Drain

Ordering Information

Part Number

Top Mark

Package

Tape & Reel

SF5539HDP

SF5539HDP

DIP8

RoHs

Output Power Table

(1)

Part Number

230VAC ± 15%

(2)

85-265VAC

Adapter

(3)

Open Frame

(4)

Adapter

(3)

Open Frame

(4)

SF5539HDP

18W

26W

15W

18W

Note 1. The Max. output power is limited by junction temperature

Note 2. 230VAC or 100/115VAC with doublers

Note 3. Typical continuous power in a non-ventilated enclosed adapter with sufficient drain pattern as a heat

sink at 50

Note 4. Max. practical continuous power in a open-frame design with sufficient drain pattern as a heat sink at

50

Marking Information

SF 5539H DP

Y WW

YWW: Year&Week code