| 1 | 10 | 100 | 1000 | 2500 | Updated | ||||
|---|---|---|---|---|---|---|---|---|---|
| * | CAT4238AGEVB | 0 | CNY | 670.00 | |||||
| * | CAT4236HTD-GT3 | 7312 | USD | ||||||
| * | CAT4240TD-GT3 | 180000 | USD | ||||||
| * | CAT4237TD-T3 | 219816 | USD | ||||||
| * | CAT4237TD-GT3 | 677364 | USD | ||||||
| * | CAT4201TD-GT3 | 32100 | USD | ||||||
| * | CAT4238TD-GT3 | 0 | CNY | ||||||
| * | CAT4240TD-GT3 | 0 | CNY | 7.50 | 5.55 | ||||
| * | CAT4237TD-GT3 | 0 | CNY | ||||||
| * | CAT4254VP2-GT3 | 0 | USD | ||||||
| * | CAT4254VP2-GT3 | 0 | USD | ||||||
| * | CAT4237TD-GT3 | 1 | USD | ||||||
| * | CAT4201TD-GT3 | 1 | USD | ||||||
| * | CAT4238TD-GT3 | 1 | USD | ||||||
| * | CAT4238AGEVB | 2 | USD | 133.00 | |||||
| * | CAT4201AGEVB | 2 | USD | ||||||
| * | CAT4201TD-GT3 | 1367 | USD | 0.96232 | 1.54500 | 1.24160 | |||
| * | CAT4238TD-GT3 | 0 | USD | 0.80238 | 1.43400 | 1.11780 | |||
| * | CAT4237TD-GT3 | 0 | USD | 0.88200 | 1.41600 | 1.13790 | |||
| * | CAT4237TD-T3 | 0 | USD | ||||||
| * | CAT4240TD-GT3 | 28619 | USD | ||||||
| * | CAT4238TD-GT3 | 560688 | USD | ||||||
| * | CAT4238TD-GT3 | 0 | USD | ||||||
| * | CAT4201TD-GT3 | 9 | USD | 3.018600 | 2.509406 | 1.835355 | 1.756635 | ||
| * | CAT4201TD-GT3 | 0 | CNY | ||||||
| * | CAT4237TD-GT3 | 0 | CNY | ||||||
| * | CAT4201AGEVB | 2 | USD | 93.75000 | |||||
| * | CAT4237BGEVB | 0 | USD | ||||||
| * | CAT4238AGEVB | 0 | USD | ||||||
| * | CAT4201AEVB | 0 | USD | ||||||
| * | CAT4238AEVB | 0 | USD | ||||||
| * | CAT4240AEVB | 0 | USD | ||||||
| * | CAT4240AGEVB | 0 | USD | ||||||
| * | CAT4237BGEVB | 0 | USD | ||||||
| * | CAT4238AGEVB | 0 | USD | ||||||
| * | CAT4201AGEVB | 0 | USD | ||||||
| * | CAT4238AEVB | 0 | USD | ||||||
| * | CAT4240AEVB | 0 | USD | ||||||
| * | CAT4240TD-GT3 | 9332 | USD | 0.583424 | 0.550400 | 0.519245 | |||
| * | CAT4237TD-GT3 | 354 | USD | ||||||
| * | CAT4201AEVB | 1 | USD | ||||||
| * | CAT4237TD-T3 | 3470 | USD | ||||||
| * | CAT4238TD | 8420 | USD | ||||||
| * | CAT4201V-GT3 | 8100 | USD | ||||||
| * | CAT4236HTD-GT3 | 9717 | USD | ||||||
| * | CAT4237BEVB | 4869 | USD | ||||||
| * | CAT4238AGEVB | 1 | USD | ||||||
| * | CAT4237BGEVB | 1 | USD | ||||||
| * | CAT4240AGEVB | Please Inquiry | USD |
CAT4237 是高电压 CMOS 恒定电流直流/直流转换器，设计用于驱动白色或其他高亮度 LED，并且效率高。高电压输出级允许驱动多达 8 个串联的白色 LED。单个外部电阻器设定于 5 mA 和 30 mA 之间的 LED 电流。LED 电流可通过脉冲宽度调制 (PWM) 信号或直流电压调节。详细说明和电气特性可在 CAT4237 数据表中找到。该评估板包含一个 CAT4237 直流-直流升压转换器和一个白色 LED 阵列。根据配置，该板电路套件设定为用于驱动多达 8 个串联的白色 LED。用户可选择用于将 CAT4237 输出连接到板上的 LED 或连接到应用中的外部 LED 串。
