(China (Mainland))
Product Summary
The CAT4237TD-GT3 is a DC/DC step up converter that delivers an accurate constant current ideal for driving LEDs. Operation at a constant switching frequency of 1 MHz allows the device to be used with small value external ceramic capacitors and inductor.
Parametrics
CAT4237TD-GT3 absolute maixmum ratings: (1)VIN, FB voltage: -0.3 to +7 V; (2)SHDN voltage: -0.3 to +7 V; (3)SW voltage: -0.3 to +55 V; (4)Storage Temperature Range: -65℃ to +160℃; (5)Junction Temperature Range: -40℃ to +150℃; (6)Lead Temperature: 300℃.
Features
CAT4237TD-GT3 features: (1)Drives 6 to 8 White LEDs in Series from 3 V; (2)Up to 87% Efficiency; (3)Low Quiescent Ground Current 0.6 mA; (4)Adjustable Output Current (up to 40 mA); (5)High Frequency 1 MHz Operation; (6)High Voltage Power Switch; (7)Shutdown Current Less than 1 μA; (8)Open LED Low Power Mode; (9)Automatic Shutdown at 1.9 V (UVLO); (10)Thermal Shutdown Protection; (11)Thin SOT23 5-lead (1 mm Max Height); (12)Pb-Free, Halogen Free/BFR Free and RoHS Compliant.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
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 CAT4237TD-GT3 |
ON Semiconductor |
LED Lighting Drivers LED Driver,Boost 8 LED,series |
Data Sheet |
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