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 tions on flashing badges, gift cards, flashing earrings, and other products that require flashing lights. 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- Selection Table Part No. Flash Rate ON/OFF Control Yes HT2013H 4Hz HT2012H 4Hz HT2013M 2Hz HT2014M 2Hz HT2013L 1Hz HT2014L 1Hz No Package TO-92 √ Dice √ √ √ √ √ √ √ √ √ √ √ √ 1 √ √ 10th June ’97 HT201XX Pin Assignment Block Diagram Pad Coordinates Unit: mil Pad No. X Y 1 –23.9 13.5 2 –24.13 –7.055 3 23.89 13.5 4 13.09 13.5 5 –15.89 13.5 Chip size: 60 × 38 (mil)2 *The IC substrate should be connected to VDD in PCB layout artwork. Pad Description Pad Name I/O Internal Connection 1 VDD — — Power supply (positive) 2 TEST — — For IC test only 3 ON/OFF I CMOS Pull-High 4 VSS — — Power supply (ground) 5 OUT O NMOS Open Drain Lamp/LED flash output Pad No. Description Lamp/LED flash ON/OFF control pad 2 10th June ’97 HT201XX Absolute Maximum Ratings Supply Voltage ..............................–0.3V to 5.5V Storage Temperature................. –50°C to 125°C Input Voltage................. VSS–0.3V to VDD+0.3V Operating Temperature............... –20°C to 75°C (Ta=25°C) Electrical Characteristics Symbol Parameter Test Condition VDD Condition Min. Typ. Max. Units VDD Operating Voltage — — 1.2 3 4.5 V ISTB Standby Current 3V — — 1 2 µA IDD Operating Current 3V No load — 200 500 µA IOL OUT Pad Sink Current 1.5V VOL=0.15V 5 12 — mA 3V VOL=0.3V 10 30 — mA FOSC System Frequency — 32K — Hz 3V — Application Circuit Chip form without ON/OFF control Chip form with ON/OFF control *The IC substrate should be connected to VDD in PCB layout artwork. 3 10th June ’97 HT201XX Package form application HT2012H HT2014M HT2014L VSS OUT VDD R=0~100Ω VDD 4 10th June ’97