13

s Outline Drawing/Terminal Connections (unit: mm)

s Block Diagram

s Standard External Circuit

s Typical Operating Characteristics

Rise Characteristics

Efficiency Characteristics

Ta-PD Characteristics

Note: Dimensions marked with

are measured at the roots of the leads.

Plastic Mold Package Type

Flammability: UL94V-0

Terminal Connections

q Output Voltage Adjustment

w Output Voltage Detection

e Switching Output (backside of case)

r Input

t Ground

Weight: Approx. 8.2 g

*

RU3M forward voltage : 0.7V

15.4

±0.3

4.5

±0.2

1.0

±0.1

1.6

±0.2

1.2

±0.15

17.8

±0.3

q w ert

4.0

±0.1

2.54

±0.1

2.54

±0.1

3.81

+0.2

–0.1

±0.1

3.81

±0.1

0.6

+0.2

–0

0.6

9.9

±0.2

Type

STR

Lot number

(12.7)

(7.62)

36

°

5

°

5

°

5

°

Start

Circuit

Reference

Voltage

43

2

1

5

R5

R3

R2

MIC1

R1

R4

C1

10

8

6

4

2

0

02 46

1A

810

12 14 16 18 20

Ta=25

°C

0A

2A

100

90

80

70

60

50

40

30

20

10

0

0

0.5

1

1.5

2

2.5

Ta=25

°C

8V

20V

30V

40V

25

20

15

10

5

0

Ambient Temperature Ta (

°C)

–20

0

20

40

60

80 100

150

×150×2 (3.3°C/w)

100

×100×2 (5.2°C/w)

75

×75×2 (7.6°C/w)

Without heatsink

Without Mica

With Silicone Grease

Heatsink: Aluminum

Unit: mm

+

+

4

5

3

2

1

Di

RU3M

1000

µF

1000

µF

L=200

µH

GND

GND

DC Output

DC Input

VR1

VR2