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CAT4237BGEVB: High Voltage CMOS Constant-Current DC-DC Converter Evaluation Board



The CAT4237 is a high voltage CMOS constant-current DC/DC converter that has been designed to drive with high efficiency white or other high brightness LEDs. The high-voltage output stage allows driving up to 8 white LEDs in series. A single external resistor sets the LED current between 5mA and 30mA. LED current can be adjusted using either a pulse width modulated (PWM) signal or a DC voltage. Detailed descriptions and electrical characteristics are in the CAT4237 data sheet. The evaluation board contains a CAT4237 DC-DC boost converter and an array of white LEDs. As configured, the board circuit is set to drive up to 8 white LEDs in series. The user can chose to connect the CAT4237 output to the LEDs string available on board or to an external LEDs string from an application.
Evaluation/Development Tool Information
Product Status Compliance Short Description Parts Used Action
CAT4237BGEVB Active
Pb-free
High Voltage CMOS Constant-Current DC-DC Converter Evaluation Board CAT4237TD-GT3
Technical Documents
Type Document Title Document ID/Size Rev
Eval Board: Manual CAT4237 High Voltage White LED Driver Evaluation Board User's Manual EVBUM2017/D - 178.0 KB  5 
Eval Board: Gerber CAT4237BGEVB Gerber Layout Files (Zip Format) CAT4237BGEVB_GERBER.ZIP - 39.0 KB  0 
Eval Board: Schematic CAT4237BGEVB Schematic CAT4237BGEVB_SCHEMATIC.PDF - 162.0 KB  1 
Eval Board: Test Procedure CAT4237BGEVB Test Procedure CAT4237BGEVB_TEST_PROCEDURE.PDF - 84.0 KB  1 
Eval Board: BOM CAT4237BGEVB Bill of Materials ROHS Compliant CAT4237BGEVB_BOM_ROHS.PDF - 81.0 KB  1 
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