CXLE8850是一个150KHz的固定频率脉冲宽度调制降压(降压)DC/DC变换器,能够驱动2.5A的负载,具有高效率、低纹波和良好的线路和负载调节。该调节器需要最少数量的外部元件,使用简单,包括内部频率补偿和固定频率振荡器。该PWM控制电路能够将占空比从0%线性调整到100%。一个使能功能,一个过电流保护功能内置。内置一个内部补偿块以最小化外部组件计数
n宽8V至40V输入电压范围
n输出可从1.25伏调整到37伏
n最小压降0.3V
n固定150KHz开关频率
n最大3A开关电流
n内部优化功率MOSFET
n优良的线路和负载调节
n带输出恒流回路
n内置热关机功能
n内置电流限制函数
n内置输入过电压保护
n建议输出功率小于13W
 
[ CXLE8850 ]
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产品概述 返回TOP
产品特点 返回TOP
n Wide 8V to 40V Input Voltage Range
n Output Adjustable from 1.25V to 37V
n Minimum Drop Out 0.3V
n Fixed 150KHz Switching Frequency
n Maximum 3A Switching Current
n Internal Optimize Power MOSFET
n Excellent line and load regulation
n With output constant current loop
n Built in thermal shutdown function
n Built in current limit function
n Built in input over voltage protection
n Recommend output power less than 13W
n SOP8-EP (Exposed PAD) package
应用范围 返回TOP
n Car Charger
n Battery Charger
n LCD Monitor and LCD TV
n Portable instrument power supply
n Telecom / Networking Equipment
技术规格书(产品PDF) 返回TOP
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产品封装图 返回TOP

电路原理图 返回TOP

| 降压型LED射灯驱动IC | ||||||||
| 型号 | 工作电压范围 | 输出电流 | 输出电 流精度 | 线性调 整率 | 工作频率 | 调光功能 | 封装 | |
| CXLE8835ES | 6V-40V | 1.2A | 3% | 1.50% | 98% | 1MHz(max) | ESOP8 | |
| CXLE8835MR | 6V-40V | 1.2A | 3% | 1.50% | 98% | 1MHz(max) | SOT-26 | |
| 6V-60V | 1.2A | 2% | 94% | 1.1MHz | PWM/模拟 调光 | SOT-89-5 | ||
| 2V-6.5V | 0.95A | 10% | 0.45% | 92% | 1.4 MHz | SOT-25 | ||
| 2.5V-5.5V | 0.7A | 3% | 93% | 1.4MHz | SOT-25 | |||
| 5.5V-36V | 扩流2.5A | 1% | 96% | 1MHz | SOT-26 | |||
| 4V--28V | 扩流25W | 1% | 96% | 2MHz | PWM/模拟 调光 | SOT-26 | ||
| 2.5V-100V | 扩流2.5A | 1% | 90% | 1MHz | SOT-26 | |||
| 5-100V | 1.5A | 1% | 92% | 1MHz | PWM/模拟 调光 | ESOP8 | ||
| 5-100V | 2.5A | 1% | 92% | 1MHz | PWM/模拟 调光 | ESOP8 | ||
| 6V-100V | 扩流3A | 3% | 95% | 200KHz | SOT-26 | |||
| 8V-45V | 3A | 3% | 95% | 220KHz | ESOP8 | |||
| 8V-40V | 4A | 3% | 95% | 220KHz | TO252-5L | |||
| 8V-40V | 5A | 3% | 95% | 220KHz | TO263-5L | |||
| 5V-36V | 1.5A | 2% | 96% | 380KHz | SOP-8 | |||
| 4.5V-45V | 2A | 2% | 83% | 150KHz | ESOP8 | |||
| 8V-45V | 3A | 2% | 89% | 150KHz | ESOP8 | |||
| 8V-40V | 3A | 2% | 89% | 180KHz | SOP8 | |||
| 8V-40V | 3.5A | 2% | 87% | 180KHz | ESOP8 | |||
| 8V-40V | 2A | 2% | 89% | 110KHz | SOP8 | |||
| 7V-40V | 2.5A | 2% | 89% | 250KHz | ESOP8 | |||
| 8V-40V | 5A | 2% | 86% | 150KHz | TO263-5L | |||
| 6V-40V | 1.2A | 3% | 1.50% | 98% | 1MHz(max) | SOT89-5 | ||
| 6V-34V | 1.0A | 5% | 1.50% | 97% | 1MHz(max) | PWM/模拟 调光 | SOT89-5 | |
◀ 上一篇:CXLE8849固定150kHz开关频率2A恒定输出电流150KHz的固定频率脉冲宽度调制降压DC转换器宽4.5V至40V输入电压PWM控制电路能够将占空比从0%线性调整到100%
下一篇▶:CXLE8851固定180KHz开关频率8V至36V输入电压3A开关电流PWM控制电路能够将占空比从0%线性调整到100%带输出恒流回路电流限制函数
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