W-6137

2

Figure 1. Typical Application Circuit

VIN

W-6137

LD

R1

15

1 F

C1

0.22 F

C2

FB

SW

GND

ON

22 H

OFF

2.2 to

5.5 V

L: Murata LQH32CN220

D: Central CMDSH2-3 (rated 30 V)

SHDN

Table 1. ABSOLUTE MAXIMUM RATINGS

Parameter

Rating

Unit

VIN, FB voltage

0.3 to +7

V

SHDN voltage

0.3 to +7

V

SW voltage

0.3 to +40

V

Storage Temperature Range

65 to +160

C

Junction Temperature Range

40 to +150

C

Lead Temperature

300

C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

Table 2. RECOMMENDED OPERATING CONDITIONS

Parameter

Range

Unit

VIN

2.2 to 5.5

V

SW pin voltage

0 to 24

V

Ambient Temperature Range

40 to +85

C

LED Bias Current

1 to 30

mA