CAT4139AEVB:EVAL BOARD
The CAT4139 is a DC/DC step-up converter that delivers an accurate constant current ideal for driving LEDs. Operation at a fixed switching frequency of 1MHz 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 external resistor R1. The CAT4139 is ideal for driving parallel strings of up to five white LEDs in series or up to 22V. LED dimming can be done by using a DC voltage, a logic signal, or a pulse width modulation (PWM) signal. The shutdown input pin allows the device to be placed in power-down mode with 'zero' quiescent current.
评估板信息
| 评估板 | 状况 | 无铅(Pb-free) | 简短说明 | 所用产品 |
|---|---|---|---|---|
| CAT4139AEVB | Active | EVAL BOARD | CAT4139TD-GT3 |
技术文档
| 类型 | 文档标题 | 文档编号 | 修订号 |
| EVAL BOARD: BOM | CAT4139AEVB Bill of Materials ROHS Compliant | CAT4139AEVB_BOM_ROHS.PDF | 0 |
| EVAL BOARD: Gerber | CAT4139AEVB Gerber Layout Files (Zip Format) | CAT4139AEVB_GERBER.ZIP | 0 |
| EVAL BOARD: Schematic | CAT4139AEVB Schematic | CAT4139AEVB_SCHEMATIC.PDF | 0 |
| EVAL BOARD: Test Procedure | CAT4139AEVB Test Procedure | CAT4139AEVB_TEST_PROCEDURE.PDF | 0 |
| Eval Board: Manual | CAT4139 LED Driver Evaluation Board User's Manual | EVBUM2020/D | 3 |
