No | Part number | Description ( Function ) | Manufacturers | |
2 | CAT4137 | CMOS Boost Converter - White LED Driver CAT4137 CMOS Boost Converter - White LED Driver Features • • • • • • • • • • • • Drives up to 5 White LEDs from 3V Power Efficiency up to 87% Low Quiescent Ground Current 0.1mA Adjustable Output Current (up to 30mA) High Frequency 1MHz Operation “Zero” current shutdown mode Operates down to 2V (from two AA batteries) Soft start power-up Open LED low |
Catalyst Semiconductor |
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1 | CAT4137 | CMOS Boost Converter - White LED Driver CAT4137 CMOS Boost Converter White LED Driver Description The CAT4137 is a DC/DC step-up converter that delivers a regulated output current. Operation at a constant switching frequency of 1 MHz allows the device to be used with small value external ceramic capacitors and inductor. The device drives a string of white LEDs connected in series and provides the regulated current t |
ON Semiconductor |
List of most widely used semiconductors
Part Number | Function | Manufacturers | |
1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
Vishay |
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LM317 | This is a popular adjustable voltage regulator. |
ON Semiconductor |
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6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |