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Notes:

1. Measured at an internal IC junction.

2. If the control pin (pin 10) is left open, the unit operates. If the

control pin is grounded, the unit is off.

3. This regulator is not designed to be used in parallel with another

unit to increase output power.

4. The input should not exceed the range given in the model

selection chart. Exceeding this limit could damage the unit.

5. If the output voltage is adjusted, the input/output relationship

differential could damage the unit.

Model Selection Guide

Notes:

Model

Number

Input

Output

Current

(mA)

Current

(A)

Nom.

Range

Nom.

Adj Range

LSR7810-015W

12

4.75 - 15.0

165

1.5

Fixed

1.0

76

74

LSR7810-018W

12

4.75 - 15.0

190

1.8

1.5 - 3.6

1.0

79

77

LSR7810-02W

12

5.0 - 18.0

245

2.5

1.5 - 3.9

1.0

83

81

LSR7810-03W

12

5.0 - 18.0

320

3.3

1.8 - 5.5

1.0

84

84

LSR7810-05W

12

7.0 - 18.0

460

5.0

2.5 - 6.5

1.0

90

88

LSR7810-06W

12

8.5 - 18.0

580

6.5

Fixed

1.0

93

91

Mechanical Dimensions

Pin Function

Pin Function

1

7

Gnd

5

9

Gnd

6

10

Control

Pin Connection

Solder Layout

Derating Curve

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The figure at above shows a typical connection of the LSR7810. Some notes on this connection are:

electrolytic capacitor may also be used. These capacitors are required and should be mounted as close

to the regulator pins as possible.

to ground through 470 pF ceramic capacitor. For more information on adjusting the output, please contact

the factory.

Typical Application Circuits