TCR2DG Datasheet, PDF (6/15 Pages) Toshiba Semiconductor – Low Noise 200 mA CMOS Low Drop-Out Regulator in ultra small package

Application Note
1. Recommended Application Circuit
TCR2DG series
V_IN
0.47 μF
CONTROL
V_OUT
1.0 μF
GND
CONTROL
voltage
HIGH
LOW
OPEN
Output
voltage
ON
OFF
OFF
The figure above shows the recommended configuration for using a Low-Dropout regulator. Insert a capacitor
at V_OUT and V_IN pins for stable input/output operation. (Ceramic capacitors can be used).
2. Power Dissipation
Power dissipation is measured on the board condition shown below.
[The Board Condition]
Board material: Glass epoxy (FR4)
Board dimension: 40mm x 40mm (both sides of board)，t=1.8mm
Metal pattern ratio: a surface approximately 50%, the reverse side approximately 50%
Through hole: diameter 0.5mm x 28
1000
800
600
400
200
0
-40
P_D - Ta
0
40
80
120
Ambient Temperature Ta (℃)
6
2014-03-01