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| www..com HT201XX One Lamp/LED Flash Driver Features * * * * * * * * * CMOS Metal-Gate Process Technology Operating voltage: 1.2V~4.5V Low standby current: 1A 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 applications on flashing badges, gift cards, flashing earrings, and other products that require flashing 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 HT201XX Pin Assignment Block Diagram Pad Coordinates Pad No. 1 2 3 4 5 Unit: mil X -23.9 -24.13 23.89 13.09 -15.89 Y 13.5 -7.055 13.5 13.5 13.5 Chip size: 60 x 38 (mil)2 *The IC substrate should be connected to VDD in PCB layout artwork. Pad Description Pad No. 1 2 3 4 5 Pad Name VDD TEST ON/OFF VSS OUT I/O -- -- I -- O Internal Connection -- -- CMOS Pull-High -- NMOS Open Drain Description Power supply (positive) For IC test only Lamp/LED flash ON/OFF control pad Power supply (ground) Lamp/LED flash output 2 10th June '97 HT201XX Absolute Maximum Ratings Supply Voltage ..............................-0.3V to 5.5V Input Voltage................. VSS-0.3V to VDD+0.3V Storage Temperature................. -50C to 125C Operating Temperature............... -20C to 75C (Ta=25C) Electrical Characteristics Symbol VDD ISTB IDD IOL FOSC Parameter Operating Voltage Standby Current Operating Current OUT Pad Sink Current System Frequency Test Condition VDD -- 3V 3V 1.5V 3V 3V Min. 1.2 -- -- 5 10 -- Typ. 3 1 200 12 30 32K Max. 4.5 2 500 -- -- -- Units V A A Condition -- -- No load VOL=0.15V VOL=0.3V -- mA mA Hz Application Circuit Chip form with ON/OFF control Chip form without 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 VDD OUT VSS R=0~100 VDD 4 10th June '97 |
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