Characteristic

Symbol

Test Conditions

Pins

Min.

Typ.

Max.

Unit

Drain-to-Source Breakdown Voltage

LC5546LF

LC5547LF

1 – 2

650

――

V

LC5549LF

800

――

V

Drain Leakage Current

1 – 2

――

300

μA

On-Resistance

LC5546LF

1 – 2

――

1.9

Ω

LC5547LF

――

1.1

Ω

LC5549LF

――

1.7

Ω

Switching Time

LC5546LF

LC5547LF

1 – 2

――

400

ns

LC5549LF

――

300

ns

Thermal Resistance*

LC5546LF

―

――

3.1

°C/W

LC5547LF

LC5549LF

――

2.2

°C/W

*The thermal resistance between the channels of the MOSFET and the internal frame.

January 28, 2013

4

SANKEN ELECTRIC CO., LTD.

LC5540LF-DS

Single-Stage Power Factor Corrected

Off-Line Switching Regulator ICs

LC5540LF

Series