HT201XX Datasheet, PDF (1/4 Pages) Holtek Semiconductor Inc – One Lamp/LED Flash Driver

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
√
√
√
√
√
√
√
√
√
1
10th June ’97