CXSD62283是一款500kHz固定频率同步电流模降压型DC-DC变换器。芯片集成了135mΩ主开关和90mΩ同步整流开关,在4.5V~28V的输入范围内能够提供高达3A的负载电流。内部集成了同步整流开关,不再需要外接肖特基二极管,提高了效率。电流模控制提供了快速的瞬态响应和周期性的峰值电流限制能力。
 
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产品特点 返回TOP
• 高达3A的输出电流
• 110ns最小TON时间
• 集成的135mΩ主开关
• 集成的90mΩ同步整流开关
• 输入电压范围:4.5V至28V
• 输出电压可调范围:0.8V至24V
• 效率高达95%
• 可编程的软启动
• 关断电流小于1μA
• 500kHz固定开关频率
• 过温保护和过流保护
• 输入欠压保护
• SOP-8(EP)封装
• 符合RoHS规范及Pb-Free
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| DC/DC开关稳压器 > 降压转换器/控制器 | |||||||||
| 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:3A的负载电流模脉宽调制(PWM)架构的降压型DC变换器CXSD62282输入电压4.5V~30V可调节的软启动功能
下一篇▶:500kHz固定频率同步电流模降压型DC变换器CXSD62284轻负载自动脉冲跳跃模式3A的输出电流输入电压4.5V至28V
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