Selection Guide

Part

Number

Package

Maximum Input

Voltage

(V)

Output MOSFET

(Ω)

LC5222D

DIP8

250

2.2

LC5225D

450

6

LC5222S

SOP8

250

2.2

LC5225S

450

6

Characteristic

Symbol

Notes

Rating

Unit

Main Power Supply Voltage

LC5222D/S

6 – 8

(7 – 8)

250

V

LC5225D/S

450

V

Output Breakdown Voltage

LC5222D/S

5 – 4

(5, 6 – 4)

250

V

LC5225D/S

450

V

Pulse width ≥ 1 μs

5 – 4

(5, 6 – 4)

0.5

A

2 – 8

V

3 – 8

V

SEN Pin Voltage

Pulse width ≥ 1 μs

4 – 8

−0.3 to 4.0

V

LC5222S

LC5225S

On Sanken evaluation PCB

―

0.85

W

LC5222D

LC5225D

1.73

W

Operating Ambient Temperature

―−40 to 105

°C

Storage Temperature

―−40 to 150

°C

Junction Temperature

―

150

°C

1

Where the pin numbers differ between the DIP8 and the SOP8 packages, the SOP8 pin number is written in parentheses.

2

The output current value may be restricted based on duty cycle, ambient air temperature, or heat dissipation conditions. In any case, please be sure

3

4

5

Please refer to the Ambient Temperature versus Power Dissipation Curve.

The polarity value for current specifies a sink as "+," and a source as “−,” referencing the IC.

Ambient Temperature, TA (°C)

2.0

1.5

1.0

0.5

0

0

25

50

100

75

150

125

Ambient Temperature versus Power Dissipation

On Sanken evaluation PCB

R

θJ-A

= 72

°C/W

R

°C/W

SOP

DIP

LC5222D/25D and

LC5222S/25S

2

SANKEN ELECTRIC CO., LTD.

LC5222D/25D_22S/25S-DS

Off-Line DC/DC LED Driver ICs

August 8, 2012