16V输入电压,降压DC/DC控制器
XC9220系列是多用途,降压DC/DC控制器IC。给该芯片外围配置一个开关管,一个电感,一个二级管和两个电容就可获得一个高效,稳定的,输出电流高达3A的电源。 可使用低ESR电容比如陶瓷电容作为它的输出电容。
XC9220系列有一个0.9V (±1.5%)参考电压,使用外接分压电阻就可以自由设定输出电压。开关频率为300kHz,500kHz和1MHz,可使用小型外围器件。关于软启动时间, XC9220A 和C系列都是内部设定为4毫秒,XC9220B和D系列可在外部设定。具有内置的UVLO (欠压锁闭)功能,当输入电压低至2.3V 或更低的时候,外部的P沟道开关管会被强制关断。
特点
工作电压范围 | 2.8V~16.0V |
输出电压外部设定 | 0.9V(精度±1.5V) |
工作频率 | 300k,500k,1.0MHz |
控制方式 | PWM控制 |
带软启动功能 | 内部设定4ms(Type A 500kHz),外部设定(Type B) |
保护电路 | 积分保护1.0ms(A,B类型),短路保护 |
低ESR电容 | 陶瓷电容 |
典型电路框图
技术文件
封装
XC9220 系列型号列表
型号 | 样品 | Type | Output Voltage | Oscillation Frequency | Packages | EDA | 在线商店 |
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XC9220A093ER-G |
Soft-start internally set with integral protection function | FB type | 300kHz | USP-6C | |||
XC9220A093MR-G |
Soft-start internally set with integral protection function | FB type | 300kHz | SOT-25 | |||
XC9220A095ER-G |
Soft-start internally set with integral protection function | FB type | 500kHz | USP-6C | |||
XC9220A095MR-G |
Soft-start internally set with integral protection function | FB type | 500kHz | SOT-25 | |||
XC9220A09AER-G |
Soft-start internally set with integral protection function | FB type | 1.0MHz | USP-6C | |||
XC9220A09AMR-G |
Soft-start internally set with integral protection function | FB type | 1.0MHz | SOT-25 | |||
XC9220B093ER-G |
Soft-start externally set with integral protection function | FB type | 300kHz | USP-6C | |||
XC9220B093MR-G |
Soft-start externally set with integral protection function | FB type | 300kHz | SOT-25 | |||
XC9220B095ER-G |
Soft-start externally set with integral protection function | FB type | 500kHz | USP-6C | |||
XC9220B095MR-G |
Soft-start externally set with integral protection function | FB type | 500kHz | SOT-25 | |||
XC9220B09AER-G |
Soft-start externally set with integral protection function | FB type | 1.0MHz | USP-6C | |||
XC9220B09AMR-G |
Soft-start externally set with integral protection function | FB type | 1.0MHz | SOT-25 | |||
XC9220C093ER-G |
Soft-start internally set without integral protection function | FB type | 300kHz | USP-6C | |||
XC9220C093MR-G |
Soft-start internally set without integral protection function | FB type | 300kHz | SOT-25 | |||
XC9220C095ER-G |
Soft-start internally set without integral protection function | FB type | 500kHz | USP-6C | |||
XC9220C095MR-G |
Soft-start internally set without integral protection function | FB type | 500kHz | SOT-25 | |||
XC9220C09AER-G |
Soft-start internally set without integral protection function | FB type | 1.0MHz | USP-6C | |||
XC9220C09AMR-G |
Soft-start internally set without integral protection function | FB type | 1.0MHz | SOT-25 | |||
XC9220D093ER-G |
Soft-start externally set without integral protection function | FB type | 300kHz | USP-6C | |||
XC9220D093MR-G |
Soft-start externally set without integral protection function | FB type | 300kHz | SOT-25 | |||
XC9220D095ER-G |
Soft-start externally set without integral protection function | FB type | 500kHz | USP-6C | |||
XC9220D095MR-G |
Soft-start externally set without integral protection function | FB type | 500kHz | SOT-25 | |||
XC9220D09AER-G |
Soft-start externally set without integral protection function | FB type | 1.0MHz | USP-6C | |||
XC9220D09AMR-G |
Soft-start externally set without integral protection function | FB type | 1.0MHz | SOT-25 |
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