Cxsd62322 is a synchronous step-down DC-DC converter with input voltage up to 40V, 7-35v and accurate constant current and constant voltage control. The built-in high-level NMOS switch has an internal resistance of only 85m Ω, and can continuously output 3.5A current. Cxsd62322 has high-performance load response and input Voltage response ability, accurate constant voltage and constant current control loop to achieve minimal load adjustment rate and linear adjustment rate, ± 3% constant current accuracy is superior to that of most similar products on the market cxsd62322, which requires external compensation. It can achieve constant current and constant voltage control by relying on its own built-in stable loop. The output voltage is constant 5.1V, and the output current can be set by external resistance Cxsd62322 is equipped with a lower tube drive port, which can be connected with an n-type MOSFET to realize synchronous conversion or a Schottky diode to realize asynchronous conversion. Under synchronous conversion application, the conversion efficiency of the system can reach 93%. In summary, cxsd62322 has complete functions, simple application, flexibility and universality of application, high performance, and Super cost-effective constant voltage constant current buck DC-DC

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产品概述 返回TOP
CXSD62322是一 款输入耐压可达40V , 7~35V输入电压条件正常工作,并且能够实 现精确的恒流以及恒压控制的同步降压型 DC-DC转换器 内置高位NMOS开关内阻仅有85mΩ,可 以持续输出3.5A电流 CXSD62322具备高性能的负载响应以及输入 电压响应能力,同时精确的恒压以及恒流控制 环路实现极小的负载调整率和线性调整率,± 3%的恒流精度优于市面上绝大多数同类产品 CXSD62322需外部补偿,可以依靠自身内 置稳定环路实现恒流以及恒压控制,恒定5.1V 输出电压,输出电流可以通过外部电阻来设置 CXSD62322置有下管驱动端口,可通过外 部接入一颗N型Mosfet来实现同步转换,也 可以接入一颗Schottky二极管来实现非同步 转换,在同步转换应用下,系统转换效率可达 93% 综上,CXSD62322一款功能齐备,应用极 为简单,并兼顾应用的灵活性和广泛性,高性 能, 以及 超高性 价比的 恒压 恒流降 压型 DC-DC
产品特点 返回TOP
完整的车载充电器方案
输入耐压可达40V
内置85mΩ NMOS可持续输出3A电 流
内置高精度恒流以及恒压控制环路
超高恒流精度 ±3%
恒压精度 ±1.5%
无需外部补偿
恒流值可设
低位功率开关管理和驱动功能,同时支 持同步以及非同步转换模式
5V 2A输出转换效率可达93%
外置低位NMOS分散元件发热,易于 实现大电流输出并满足温升限制
150k Hz固定开关频率
内置抖频功能可轻松通过EMC测试
0/100mV/300mV/500mV线路压降 补偿
短路保护(SCP),过热保护(OTP), 过压保护(OVP)以及欠压保护(UVLO)
PSOP8封装形式
应用范围 返回TOP
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产品封装图 返回TOP
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Buck DC/DC Converter |
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Product |
Status |
Device Description |
VIN(min~max) |
VOUT |
IOUT |
IQ(typ) |
Vfb |
Frequency |
Pkg |
Active |
40V/1.5A非同步降压 |
3~36V |
ADJ |
1.5A |
4mA |
1.25V |
<100KHZ |
DIP8 SOP8 |
|
Active |
30V/2A同步降压 |
4.5~27V |
0.925~20Vin |
2A |
1.3mA |
0.925V |
340KHZ |
SOP8 PSOP8 |
|
Active |
30V/2A同步降压 |
4.5~27V |
0.925~20Vin |
3A |
1.3mA |
0.925V |
340KHZ |
PSOP8 |
|
NEW |
40V/4.5A同步降压/线补/CC/CV/OC |
7~40V |
5V |
4.5A |
1.5mA |
5V |
150KHZ |
PSOP8 |
|
Active |
5V/2A同步降压 |
2.5~5V |
ADJ |
2A |
20uA |
0.6V |
1.5MHZ |
SOT23-5 |
|
Active |
5V/1.4A同步降压 |
2.5~5V |
ADJ |
1.4A |
25uA |
0.6V |
1.5MHZ |
SOT23-5 |
|
NRFND |
40V/2.8A非同步降压/CC/CV |
8~36V |
ADJ |
2.8A |
2mA |
1V |
250KHZ |
PSOP8 |
|
Active |
5V/3A同步降压 |
3.3~18V |
ADJ |
2A |
10uA |
0.6V |
1.5MHZ |
SOT23-6 |