HT2012H中文资料One Lamp/LED Flash Driver数据手册Holtek规格书

描述 Description

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 applications on flashing badges, gift cards, flashing earrings, and other products that require flash ing lights.

特性 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)