CXSD62316双输出稳压器（集成电源开关）双0.8A，2.3V-6V输入，1.5MHz同步降压变换器CXSD62316是一个1.5MHz恒频电流模式，双高效PWM降压变换器。它是理想的便携式设备需要非常大的电流，每个通道从单电池锂离子电池高达0.8A，同时在峰值负载条件下仍能达到90%以上的效率
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产品概述 返回TOP
CXSD62316双输出转降压换器Dual Output Regulator (Power Switch Integrated)Dual 0.8A,2.3V-6V Input,1.5MHz Synchronous Step-Down Converter The CXSD62316 is a 1.5MHz constant frequency current mode, dual high-efficiency PWM step-down converter. It is ideal for portable equipment requiring very high current up to 0.8A each channel from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions. The CXSD62316 also can run at 100% duty cycle for low dropout operation,extending battery life in portable systems while light load operation provides very low output ripple for noise sensitive applications. The CXSD62316 can supply up to 0.8A output load current each channel from a 2.3V to 6V input voltage and the output voltage can be regulated as low as 0.6V. The high switching frequency minimizes the size of external components while keeping switching losses low. The internal slope compensation setting allows the device to operate with smaller inductor values to optimize size and provide efficient operation. The device is available in a Pb-free,DFN3x3-10 package and is rated over the -40°C to +85°C temperature range.This device offers two operation modes, PWM control and PFM Mode switching control, which allows a high efficiency over the wider range of the load.
产品特点 返回TOP
High Efficiency: Up to 96%
1.5MHz Constant Frequency Operation
Dual 0.8A Output Current
No Schottky Diode Required
2.3V to 6V Input Voltage Range
Output Voltage as Low as 0.6V
PFM Mode for High Efficiency in Light Load
100% Duty Cycle in Dropout Operation
Low Quiescent Current: 40μA
Short Circuit Protection
Thermal Fault Protection
Inrush Current Limit and Soft Start
<1μA Shutdown Current
DFN3x3-10 package
应用范围 返回TOP
Cellular and Smart Phones
Wireless and DSL Modems
PDAs
Portable Instruments
Digital Still and Video Cameras
Set Top Box
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双输出转降压换器Dual Output Regulator (Power Switch Integrated) |
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Part Number |
Function |
Vin(V) |
Iout |
Fsw |
VREF(V) |
HSFET Ron(Ω) |
LSFET Ron(Ω) |
Special Function |
Package |
|
双通道降压 |
2～6 |
0.8 A |
1.5MHz |
0.6 |
0.35 |
0.3 |
Int SS/Comp |
DFN3x3-10 |
|
|
双通道降压 |
2.3～6 |
1.5 A |
1.5MHz |
0.6 |
0.1 |
0.09 |
Int SS/Comp |
DFN3x3-12 |
|
|
双通道降压 |
2.3～6 |
2 A |
1.5MHz |
0.6 V |
0.1 |
0.09 |
Int SS/Comp |
ESOP8 |
|
◀ 上一篇:高纹波抑制率低功耗低压差过流和短路保护的CMOS降压型电压稳压器CXSD62304输出电压1.5V~5.0V 300mA输出电流
下一篇▶:1.5A的电流宽输入电压2.3V至6V励磁涌流限制及软起动CXSD62317双高效脉冲宽度调制PWM降压DC转换器
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