CXUS65139是一个开关电容电压转换器，提供一个稳定的输出。操作无需外部感应器。CXUS65139还集成了一个500毫安负载开关。
CXUS65139可以为电压调节输出提供高达500毫安的电流。它的特点是非常低的静态电流和高效率，在其负载范围的很大一部分，使这个设备的理想电池供电的应用。此外，很少的外部组件和较小的封装尺寸的组合使得在空间受限的应用中，转换器板的总面积保持在最小。
CXUS65139使用电荷泵技术从可变输入电源提供可调输出。CXUS65139包含一个热管理电路，用于在高温条件下保护设备。
CXUS65139有绿色TDFN-3×3-8L包装，额定温度在-40℃到+85℃之间。
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产品概述 返回TOP
The CXUS65139 is a switched capacitor voltage converter that delivers a regulated output. No external inductor is required for operation. CXUS65139 also integrates one 500mA load switch.
The CXUS65139 can deliver up to 500mA to the voltage regulated output. It features very low quiescent current and high efficiency over a large portion of its load range, making this device ideal for battery-powered applications. Furthermore, the combination of few external components and small package size keeps the total converter board area to a minimum in space-restricted applications.
The CXUS65139 uses charge pump technique to provide a regulated output from a varying input supply. The CXUS65139 contains a thermal management circuit to protect the device under high temperature conditions.
The CXUS65139 is available in the Green TDFN-3×3-8L package and is rated over the -40℃ to +85℃ temperature range.
产品特点 返回TOP
• Step-Up Voltage Converter
• Input Voltage Range: 2.7V to 5.0V
• Micro-Power Consumption: 70μA
• Fixed 5.0V ± 3% Output Voltage
• VOUT1 Provides Continuous 5.0V/500mA Output
• VOUT2 Provides 500mA Current Limit Load
Switch Output
• High Frequency 1.7MHz Operation
• 1.8V Logic-Controlled Shutdown of Charge Pump
• 1.8V Logic-Controlled LSEN Pin to Control Load Switch
• Short-Circuit and Over-Temperature Protections
• Over-Current Protection
• Available in the Green TDFN-3×3-8L Package
应用范围 返回TOP
Cellular Phones
Digital Cameras
LED/Display Backlight Driver
LEDs for Camera Flash
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
电路原理图 返回TOP
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电荷泵DC/DC转换器 |
||||||||||
|
Product |
CH |
Enable |
VCC(Min) (V) |
VCC(Max) (V) |
VOUT(V) |
IOUT (mA) |
Frequency (kHz) |
Iq(mA) |
SHDN Iq (μA) |
Package |
|
1 |
Y |
2.7 |
5 |
5 |
100 |
750 |
60 |
1 |
SOT-23-6 |
|
|
2 |
Y |
2.7 |
5 |
5 |
500 |
1700 |
70 |
2 |
TDFN-3x3-8L |
|
|
1 |
Y |
1.4 |
5.5 |
-VIN |
200 |
950 |
1500 |
1 |
SOT-23-6 |
|
|
1 |
N |
1.4 |
5.5 |
-VIN |
60 |
47 |
115 |
NA |
SOT-23-5 |
|
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