TCR3DF series

2013-11-15

5

Application Note

1.

Recommended Application Circuit

The figure above shows the recommended configuration for using a Low-Dropout regulator. Insert a capacitor

at VOUT and VIN pins for stable input/output operation. (Ceramic capacitors can be used).

2. Power Dissipation

Both unit and board-mounted power dissipation ratings for TCR3DF series are available in the Absolute Maximum

Ratings table.

Power dissipation is measured on the board shown below.

Testing Board of Thermal Resistance

CONTROL

voltage

Output

voltage

HIGH

ON

LOW

OFF

OPEN

OFF

VOUT

GND

VIN

CONTROL

NC

●

SMV

*Board material: FR4 board

Board dimension: 25.4 mm × 25.4 mm × 1.6 mm

Copper area: 645 mm2

Ambient temperature Ta (°C)

PD – Ta (SMV)

−

40

0

0

40

120

80

200

400

600

800

①

Board dimension 25.4 mm x 25.4 mm, x

1.6 mm Copper area 645 mm2,

mounted on FR4 Board

②

Unit Rating

②

①