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HT2012H

One Lamp/LED Flash Driver

Holtek Semiconductor 

HT201XX

One Lamp/LED Flash Driver

Features

• CMOS Metal-Gate Process Technology

• Operating voltage: 1.2V~4.5V

• Low standby current: 1µA Typ. at 3V

• Built-in oscillator (FOSC: 32KHz)

• ON/OFF control function for the HT2013H,

HT2013M, HT2013L

• 1/8 duty cycle output

• Directly driving an LED

• Minimum external components

• TO-92 package (only for the HT2012H,

HT2014M, HT2014L)

• Flash rate options:

– HT2013H → about 4Hz

– HT2012H → about 4Hz

(No ON/OFF control function)

– HT2013M → about 2Hz

– HT2014M → about 2Hz

(No ON/OFF control function)

– HT2013L → about 1Hz

– HT2014L → about 1Hz

(No ON/OFF control function)

General Description

The HT201XX series is a low cost, low power

CMOS LSI chip designed for lamp and LED

flash drivers. It can be operated without any

external components, thus suitable for applica-

tions on flashing badges, gift cards, flashing

earrings, and other products that require flash-

ing lights.

Selection Table

Part No.

Flash Rate

HT2013H

4Hz

HT2012H

4Hz

HT2013M

2Hz

HT2014M

2Hz

HT2013L

1Hz

HT2014L

1Hz

ON/OFF Control

Yes

No

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Package

TO-92

Dice

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1

10th June ’97

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