CXSD62255是一款同步、导通时间固定、高效率的降压型DC-DC转换器。其输入电压可高至30V，在低至0.8V的输出电压下带载可达6A。采用固定导通时间的架构，使其在具有快速的瞬态响应的基础上还能维持相对恒定的工作频率，工作频率可以通过外部电阻在100KHz~1MHz的范围内调整
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产品概述 返回TOP
产品特点 返回TOP
• 宽输入电压范围：2.7V~30V
• 输出负载可达6A
• 良好的线性瞬态响应和负载瞬态响应
• 内部集成Power NMOS:上管37mΩ，下管15mΩ
• 工作频率可在100KHz~1MHz范围内调整
• 外部可调的软启动功能
• 两种工作模式：Force PWM和PFM
• 输出电压状态指示
• 输入欠压保护功能
• 输出过压保护功能
• 短路保护功能
• 逐周期的限流保护功能
• 过温保护功能
• 4mm x 4mm TQFN-23L封装
• 符合RoHS规范及Lead(Pb)-Free Halogen-Free
Wide input voltage range: 2.7V to 30V
6A Output Current
Excellent line and load transient responses
Integrated 37mΩ N-Channel MOSFET For High Side
Integrated 15mΩ N-Channel MOSFET For Low Side
Programmable PWM Frequency from 100kHz to 1000kHz
Adjustable Soft-Start
Selectable Forced PWM or automatic PFM/PWM mode
Power Good Monitoring
Under-Voltage Protection
Over-Voltage Protection
Cycle-by-cycle current limit
Short-circuit protection
Over-Temperature Protection
Available in TQFN-23L 4mmx4mm package
RoHS Compliant and 100% Lead(Pb)- Free, Halogen-Free
应用范围 返回TOP
• 笔记本
• 主板
• 平板电脑
• 便携式移动设备
• 一体机
• 机顶盒
• 液晶电视
• 电信/网络/数据通信设备
Notebook Mother Board
Table PC Hand-Held Portable
AIO PC Set-top boxes
LCD TV
Telecom/Networking/Datacom equipment
技术规格书（产品PDF) 返回TOP
需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！
产品封装图 返回TOP
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电路原理图 返回TOP
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DC/DC开关稳压器 > 降压转换器/控制器 |
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Part Number |
remark |
Iout (mA) |
Vin (V) |
Vout (V) |
IQ (μA) |
FB (V) |
Freq. (KHz) |
Peak Efficency (%) |
Package |
|
6A, 30V, Synchronous Step-Down Converter with Programmable Frequency |
6000 |
2.7~30 |
0.8~20 |
1000 |
0.8 |
100~1000 |
>95 |
TQFN-23L |
|
|
2A, 30V, 340KHz Synchronous Step-Down Converter |
2000 |
4.5~30 |
0.92~20 |
1000 |
0.92 |
340 |
>94 |
SOP-8 |
|
|
3A, 30V, 340KHz Synchronous Step-Down Converter |
3000 |
4.5~30 |
0.92~20 |
1000 |
0.92 |
340 |
>94 |
SOP-8(EP) |
|
|
CC/CV Mode Synchronous Step-Down Converter |
4000 |
8~36 |
0.6~12 |
1000 |
0.6 |
80~800 |
>95 |
SOP-8(EP) |
|
|
Dual-Channel CC/CV Mode Synchronous Step-Down Controller |
5000 |
8~36 |
0.6~12 |
1000 |
0.6 |
150 |
>95 |
MSOP-10 |
|
|
CC/CV Mode Synchronous Step-Down Converter |
4000 |
4.5~36 |
0.6~20 |
1000 |
0.6 |
80~800 |
>95 |
SOP-8(EP) |
|
|
CC/CV Mode Synchronous Step-Down Converter |
4000 |
4.5~30 |
0.6~12 |
1000 |
0.6 |
80~800 |
>95 |
SOP-8(EP) |
|
|
Dual-Channel CC/CV Mode Synchronous Step-Down Converter |
5000 |
8~36 |
0.6~12 |
1000 |
0.6 |
80~800 |
95 |
SOP-8(EP) |
|
|
5A, CC/CV Mode Step-Down Converter |
5000 |
8~36 |
1.18~12 |
500 |
1.18 |
120 |
>95 |
SOP-8(EP) |
|
|
CC/CV Mode Step-Down Converter |
3000 |
8~36 |
1.18~12 |
500 |
1.18 |
120 |
>95 |
SOP-8 |
|
|
3A,40V,200KHz Step-Down Converter |
3000 |
4.75~40 |
0.92~15 |
550 |
0.92 |
200 |
>95 |
SOP-8(EP) |
|
|
1.5MHz, 800mA Synchronous Step-Down Converter with Soft Start |
800 |
2.5 ~ 5.5 |
0.6~Vin |
270 |
0.6 |
1500 |
> 96 |
TSOT23-5,SOT23-5 |
|
|
3A, Synchronous Step-Down Converter |
3000 |
2.7~5.5 |
0.6~5 |
500 |
0.6 |
1000 |
>96 |
TDFN-10,SOP-8(EP) |
|
|
1A, 2.25MHz Synchronous Step-Down DC/DC Regulator |
1000 |
2.7~5.5 |
0.6~3.3 |
30 |
0.6 |
2250 |
>94 |
TDFN-6 |
|
|
1.5MHz,1A Synchronous Step-Down Converter with Soft Start |
1000 |
2.5 ~ 5.5 |
0.6~5 |
270 |
0.6 |
1500 |
> 96 |
TDFN-6,SOT23-5,TSOT23-5 |
|
|
5A, 3MHz Synchronous Step-Down DC-DC with I2C Compatible Interface |
5000 |
2.7~5.5 |
0.6~1.4 |
52 |
- |
3000 |
- |
WCSP-20 |
|
|
1A, 2.25MHz Synchronous Step-Down DC/DC Regulator |
1000 |
2.7 ~ 5.5 |
0.6~Vin |
30 |
0.6 |
2250 |
> 95 |
TDFN-6,TSOT23-5 |
|
|
Dual High-Efficiency 1.5MHz 1A PWM Step-Down DC-DC Converter |
1000 /1000 |
2.5 ~ 5.5 |
0.6~5 |
270 |
0.6 |
1500 |
> 96 |
TDFN-12 |
|
|
Dual 1A, 2.25MHz Synchronous Step-Down DC/DC Regulator |
1000/1000 |
2.7 ~ 5.5 |
0.6~Vin |
45 |
0.6 |
2250 |
> 95 |
TDFN-10 |
|
|
Dual 1A, 2.25MHz Synchronous Step-Down DC/DC Regulator |
1000/1000 |
2.7 ~ 5.5 |
0.6~Vin |
30 |
0.6 |
2250 |
> 95 |
TDFN-12 |
|
|
1.2A,30V,1.2MHz Step-Down Converter |
1200 |
4.5 ~ 30 |
0.8~15 |
550 |
0.8 |
1200 |
> 92 |
SOT23-6 |
|
|
1.5A, 2.25MHz Synchronous Step-Down DC/DC Regulator |
1500 |
2.7 ~ 5.5 |
0.6~Vin |
30 |
0.6 |
2250 |
> 95 |
TDFN-6 |
|
|
1.5A,40V,200KHz Step-Down Converter |
1500 |
4.75 ~ 40 |
0.92~15 |
550 |
0.92 |
200 |
> 95 |
SOP-8 |
|
|
2A, Synchronous Step-Down Converter |
2000 |
2.7 ~ 5.5 |
0.8~5 |
500 |
0.8 |
1000 |
> 96 |
SOP-8 |
|
|
2A, 30V, 340KHz SynchronousStep-Down Converter |
2000 |
4.5 ~ 30 |
0.923~20 |
450 |
0.923 |
340 |
>93 |
SOP-8 |
|
|
2A, 30V, 340KHz Synchronous Step-Down Converter |
2000 |
4.5~30 |
0.923~20 |
450 |
0.923 |
340 |
>95 |
SOP-8 |
|
|
2A, 30V, 340KHz Synchronous Step-Down Converter |
2000 |
4.5~30 |
0.923~20 |
450 |
0.923 |
340 |
>95 |
SOP-8 |
|
|
3A,30V,500KHz Step-Down Converter |
3000 |
4. 5 ~ 30 |
0.8~12 |
450 |
0.8 |
500 |
> 95 |
SOP-8(EP) |
|
|
3A, 28V, 500kHz Synchronous Step-Down Converter |
3000 |
4.5 ~ 28 |
0.8~24 |
1100 |
0.8 |
500 |
>95 |
SOP-8(EP) |
|
|
3A, 28V, 500kHz Synchronous Step-Down Converter |
3000 |
4.5 ~ 28 |
0.8~24 |
1100 |
0.8 |
500 |
>95 |
SOP-8（EP） |
|
|
3A, 28V, 1MHz Synchronous Step-Down Converter |
3000 |
4.5 ~ 28 |
0.8~24 |
1100 |
0.8 |
1000 |
>95 |
SOP-8(EP),TDFN-8(EP) |
|
|
3A,40V,200KHz Step-Down Converterr |
3000 |
4.75 ~ 40 |
0.92~15 |
550 |
0.92 |
200 |
>95 |
SOP-8(EP) |
|
|
3A, 28V, 1MHz Synchronous Step-Down Converter |
3000 |
4.5 ~ 28 |
0.8~24 |
1100 |
0.8 |
1000 |
>95 |
SOP-8（EP） |
|
|
3A, 30V, 340KHz Synchronous Step-Down Converter |
3000 |
4.5 ~ 30 |
0.925~12 |
450 |
0.925 |
340 |
>95 |
SOP-8(EP) |
|
|
3A, 30V, 340KHz Synchronous Step-Down Converter |
3000 |
4.5~30 |
0.923~20 |
450 |
0.925 |
340 |
>95 |
SOP-8(EP) |
|
|
3.2A, Synchronous Step-Down Converter |
3200 |
2.7 ~ 5.5 |
0.8~5 |
500 |
0.8 |
1000 |
> 96 |
SOP-8(EP) |
|
|
4A, 21V, 500KHz Synchronous Step-Down Converter |
4000 |
4.5 ~ 21 |
0.8~15 |
900 |
0.808 |
500 |
>95 |
SOP-8(EP) |
|
|
5A,30V,500KHz Step-Down Converter |
5000 |
5.5 ~ 30 |
1.222~26 |
550 |
1.222 |
500 |
> 95 |
SOP-8(EP) |
|
|
6A Synchronous Step-Down Converter |
6000 |
3.3~5.5 |
0.6~2 |
1000 |
0.6~2 |
1200 |
>93 |
TQFN-20 |
|
|
4A, Synchronous Step-Down Converter |
4000 |
2.7~5.5 |
0.6-~5 |
500 |
0.6 |
1000 |
96 |
TDFN-10 |
|
|
2A, 24V, 340KHz Synchronous Step-Down Converter |
2000 |
4.5~24 |
0.92~20 |
1000 |
0.92 |
340 |
94 |
SOP-8,TSOT23-8 |
|
|
3A, 24V, 340KHz Synchronous Step-Down Converter |
3000 |
4.5~24 |
0.92~20 |
1000 |
0.92 |
340 |
94 |
SOP-8 |
|
◀ 上一篇:8V～30V输入降压型DC/DC转换器CXSD6114恒流恒压模式双通道CV/CC模式控制功能过流保护电流值由电流感应电阻设定
下一篇▶:2A的负载电流同步降压型DC-DC变换器CXSD62256输入电压4.5V～30V静态电流可低至3μA以下可编程的软启动
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