T8302 데이터 시트보기 (PDF) - Taiwan Memory Technology

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T8302

PWM Control 1A Step-Down Converter

Taiwan Memory Technology 

tm TE

CH

PIN ARRANGEMENT(Top view)

T8302

5

4

1 23

T8302-AXG

SOT-89-5

PIN DESCRIPTION

T8302-CDG

SOP-8

SYMBOL

LX

GND

SOT-89

1

2

ADJ

3

ISENSE

4

EN

VIN

5

SOP-8

4

3,5,6

1

8

2

7

DESCRIPTION

Drain of NDMOS switch

Ground

Multi-function On/Off and brightness control pin:

• Leave floating for normal operation.(VADJ = VREF = 1.25V

giving nominal average output current IOUTnom = 0.1/RS)

• Drive with DC voltage (0.1V < VADJ < 2.5V) to adjust output

current from 0% to 200% of IOUTnom

• Drive with PWM signal from open-collector or open-drain

transistor, to adjust output current.

Connect resistor RS from this pin to VIN to define nominal average

output current IOUTnom = 0.1/RS

Enable control signal, H: Ative, L : Power Down

Input voltage (6V to 60V). Decouple to ground with 10uF or

higher X7R ceramic capacitor close to device

TM Technology, Inc. reserves the right

P. 2

to change products or specifications without notice.

Publication Date:April 2014

Revision: E

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