No | Part number | Description ( Function ) | Manufacturers | |
2 | CAT4238 | High Efficiency 10 Led Boost Converter CAT4238 High Efficiency 10 LED Boost Converter FEATURES Drives High Voltage LED strings (38V) Up to 87% Efficiency Low Quiescent Ground Current 0.6mA Adjustable Output Current 1MHz Fixed Frequency Low noise Operation Soft start “in-rush” current limiting Shutdown current less than 1μA Open LED Overvoltage Protection Aut |
Catalyst Semiconductor |
|
1 | CAT4238 | High Efficiency 10 LED Boost Converter CAT4238 High Efficiency 10 LED Boost Converter Description The CAT4238 is a DC/DC step−up converter that delivers an accurate constant current ideal for driving LEDs. Operation at a fixed switching frequency of 1 MHz allows the device to be used with small value external ceramic capacitors and inductor. LEDs connected in series are driven with a regulated current set by the |
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 |
|
LM317 | This is a popular adjustable voltage regulator. |
ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |