FSL518H, FSL538H, FSL518A, FSL538A

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2

PRODUCT INFORMATION & INDICATIVE RECOMMENDED OUTPUT POWER

Part

Number

Package

Operating

Junction

Temperature

Operation

Frequency

Output Power Table (Open Frame) (Notes 1, 2)

15%

85 ~ 265

FSL518H

PDIP−7

−40 ~ 125°C

130 kHz

0.46

8.0

15 W

12 W

FSL538H

PDIP−7

−40 ~ 125°C

130 kHz

0.66

4.6

21 W

17 W

FSL518A

PDIP−7

−40 ~ 125°C

100 kHz

0.61

8.0

17 W

14 W

FSL538A

PDIP−7

−40 ~ 125°C

100 kHz

0.86

4.6

25 W

20 W

1. The junction temperature can limit the maximum output power.

2. Maximum practical continuous power in an open-frame design at 50°C ambient.

Figure 1. Application Schematic − Isolated or Non-isolated Flyback Converter

PWM

AC

IN

LINE

DRAIN

GND

VCC

COMP

FB

Vo

PWM

AC

IN

LINE

DRAIN

GND

VCC

FB

COMP

Vo

(a) Isolated Opto−coupler Feedback (Enable Line Detection)

(b) Non−isolated Direct Feedback (Disable Line Detection)