CXSD62286是一款采用电流模脉宽调制架构的降压型DC-DC变换器，可以提供高达3A的负载电流，具有很好的线性调整率和负载调整率。CXSD62286可以在4.75V～40V宽输入电压范围内稳定工作，通过外部分压电阻调节实现0.92～15V的输出电压。输出电流阈值通过外部电阻来设定，当输出电流达到设定的阈值时，CXSD62286进入恒流工作模式。输出过压阈值通过外部分压电阻来设定，当输出电压达到设定的阈值时，CXSD62286停止工作。
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产品概述 返回TOP
产品特点 返回TOP
• 输入电压范围：4.75V至40V
• 输出电压可调：0.92V至15V
• 高达3A的输出电流
• 可编程输出电流阈值
• 输入电压范围：4.75V至40V
• 输出电压可调：0.92V至15V
• 高达3A的输出电流
• 可编程输出电流阈值
• 可编程输出过压阈值
• 关断电流低至3μA
• 内部集成0.1Ω的DMOS开关管
• 效率高达95%
• 200KHz固定开关频率
• 芯片内部软启动
• 次级周期性的峰值电流限制保护
• 过温保护
• 输入欠压锁定
• SOP-8(EP)封装
• 符合RoHS规范及Pb-Free
4.75V to 40V Wide Input Operating Range
Output Adjustable from 0.92V to 15V
Up to 3A Output Current
Programmable Output Current Threshold
Programmable Output Over Voltage Threshold
3μA Low Shutdown Current
0.1 Internal DMOS Output Switch
Up to 95% Efficiency
Fixed 200kHz Switching Frequency
Internal Soft Start
Secondary Cycle-by-Cycle Current Limit
Thermal Shutdown
Input Supply Undervoltage Lockout
Available SOP-8 (EP) Package
RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
应用范围 返回TOP
• 车载充电器/适配器
• 可充电便携式设备
• 分布式电源系统
• 为线性稳压器供电
Car Charger/Adaptor
Rechargeable Portable Devices
Distributive Power Systems
Pre-regulator for Linear Regulators
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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:1MHz固定频率同步电流模降压型DC变换器CXSD62285高达3A的负载电流可编程的软启动4.5V～28V的输入电压效率高达95%
下一篇▶:1MHz固定频率同步电流模降压型DC变换器CXSD62287高达3A的负载电流135mΩ主开关和90mΩ同步整流开关输入电压4.5V至28V
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