CXLB7340是一个完整、经济、高效的电源管理解决方案，非常适合各种便携式设备
手持设备。该装置集成了两个PWM降压DC/DC变换器、四个低噪声低损耗线性稳压器
（LDO）和一个电池充电器在一个单薄，节省空间的包。这种设备非常适合各种便携式手持设备可从技术优势中获益但不需要高度集成的设备。VBAT是一款适用于单电池锂离子电池的完整恒流/恒压线性充电器。预充电充电电流恒流充电可调，可编程设定为700毫安。外部电阻器将充电电流设置为高精度。VOUT1和VOUT6是一种固定频率、电流模式的PWM降压DC/DC转换器，经过优化可用于高效率，可提供高达500毫安的输出电流。VOUT2、VOUT3、VOUT4和VOUT5为低噪声、高噪声PSRR线性调节器
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产品概述 返回TOP
The CXLB7340 is a complete, cost effective, highly-efficient power management solution that is ideal for a wide range of portable
handheld equipment. This device integrates two PWM step-down DC/DC converters, four low-noise low-dropout linear regulators
(LDOs) and one battery charger in a single, thin, space-saving package. This device is ideal for a wide range of portable handheld
equipment that can benefit from the advantages of technology but does not require a high level of integration.
VBAT is a complete constant-current/constant voltage linear charger for one cell lithium-ion battery. The charge current of pre-charging
and constant–current charging is adjustable and it can be programmed to 700mA. An external resistor sets the charge current with
high accuracy.VOUT1 and VOUT6 is a fixed-frequency, current-mode PWM step-down DC/DC converters that are optimized for
high efficiency and is capable of supplying up to 500mA output current. VOUT2, VOUT3, VOUT4 and VOUT5 are low noise, high
PSRR linear regulators
The CXLB7340 is available in a tiny 4mm × 4mm 24-pin Thin-QFN package that is just 0.75mm Height.
产品特点 返回TOP
Ø Six Integrated Regulators
− VOUT1, VOUT6: 500mA PWM Step-Down DC/DC
− VOUT2: 200mA Low-Power LDO
− VOUT3, VOUT4, VOUT5: 300mA Low Noise LDO
Ø Charges Single Cell Li-Ion Batteries Directly from USB Port
Ø Programmable Charge Current up to 700mA
Ø Enable/Disable Control for VOUT
Ø Minimal External Components
Ø 4×4mm, Thin-QFN(4*4-24) Package
− Only 0.75mm Height
− RoHS Compliant
应用范围 返回TOP
Ø Portable Devices and PDAs
Ø MP3/MP4 Players
Ø Wireless Handhelds
Ø GPS Receivers, etc.
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
相关芯片选择指南 返回TOP 更多同类产品......
|
Model |
VIN (V) |
VOUT (V) |
I |
Package |
|
2V to 5V |
3V to 5.5V |
1.4A |
MSOP-10L |
|
|
6V |
5V |
700mA |
QFN(4*4-24) |
|
|
6V |
5V |
1A |
TSSOP-16L/SOP-16 |
|
|
6V |
5.05V |
2A |
SSOP-16L |
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