HT201XX
One Lamp/LED Flash Driver
Features
•
•
•
•
•
•
•
•
•
CMOS Metal-Gate Process Technology
Operating voltage: 1.2V~4.5V
Low standby current: 1
µ
A Typ. at 3V
Built-in oscillator (F
OSC
: 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.
HT2013H
HT2012H
HT2013M
HT2014M
HT2013L
HT2014L
Flash Rate
4Hz
4Hz
2Hz
2Hz
1Hz
1Hz
ON/OFF Control
Yes
√
√
√
√
√
√
√
√
√
Package
TO-92
Dice
√
√
√
√
√
√
No
1
10th June ’97
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
