TCR5SB50 datasheet(6/17 Pages) TOSHIBA

No de pièce	TCR5SB50

Description	200mA CMOS Low-Dropout Regulator (Point Regulator)

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Fabricant	TOSHIBA [Toshiba Semiconductor]

Site Internet	http://www.semicon.toshiba.co.jp/eng

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6 / 17 page

TCR5SB15～TCR5SB50

2007-11-01

6

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)

If the control function is not to be used, Toshiba recommend that the control pin is connected to the VIN pin.

2. Power Dissipation

Power dissipation of TCR5SBxx series is independent and shows in Absolute Maximum Ratings when it is

mounted on the board. Testing size and pattern shows below.

Testing Board of Thermal Resistance

3. Ripple Rejection

TCR5SBxx series are designed for superior ripple rejection characteristic. Even an output changes with steep

Control Level

Operation

HIGH

ON

LOW

OFF

VOUT

GND

VIN

CONTROL

NC

Board material: Glass Epoxy, Board dimension 30 mm

× 30 mm

Copper area: 50 mm

2

, t

= 0.8 mm

COUT

VIN

VOUT

CONTROL

GND

CIN

NC

Ambient temperature Ta (°C)

PD – Ta

−40

0

40

120

80

100

200

300

400

①

Board dimension 30 mm

× 30 mm,

t

= 0.8 mm Copper area 50 mm2,

mounted on Glass Epoxy Board

②

Unit Rating

②

①

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