Holtek Semiconductor HT2050
The HT2050 is a low cost, low-power CMOS fabricated LSI chip designed for lamp and LED flash drivers. It contains five flash outputs. Each flash output is with a 10mA capability that can implement random or sequential flashing controlled by a single option pin.| Part No. | HT2050 |
|---|---|
| Datasheet | HT2050 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | Five LAMP/LED Flash Driver |
| Buy | Stock & Price |
FEATURES
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● C-MOS Metal-Gate Process Operating voltage: 1.2V~4.5V Low stand-by current: 1µA at 3V A five lamp flash driver Random or sequence flash
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● On/Off toggle control 1/10 duty cycle output A built-in oscillator Minimum external components
GENERAL DESCRIPTION
It contains five flash outputs. The chip requires only one external resistor for normal applications. It is very suitable for use in products that require flashing lights, such as gift cards, Christmas decoration, etc. Pin Assignment Block Diagram Pad Coordinates Pad No. 1 2 3 4 5 6 Unit: mil X –21.09 –9.89 1.31 12.51 23.71 26.23 Y –20.9 –20.9 –20.9 –20.9 –20.9 13.3 Pad No. 7 8 9 10 11 12 X 26.55 13.35 6.15 –10.89 –26.25 –26.25 Y 26.5 26.5 26.5 26.5 26.5 10.98 Chip size: 64 × 59 (mil)2 * The IC substrate should be connected to VDD in the PCB layout artwork. 1 26th Mar ’97 HT2050 PadDESCRIPTION
Pad No. Pad Name OUT1 OUT2 OUT3 OUT4 OUT5 OSC1 OSC2 VDD TEST OPTION ON/OFF VSS I/O O O O O O I O IDESCRIPTION
Lamp/LED...
