CXSD62368通过消除传统电流模式PWMs中的电流感应电阻，以较低的成本实现了高效率。单级降压转换允许这些设备直接降压高压电池，以获得尽可能高的效率。CXSD62368适用于笔记本电脑或其他低至0.8V的低压电源。
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7.相关产品
产品概述 返回TOP
产品特点 返回TOP
„ Ultra-High Efficiency
„ Integrated 8.5mΩ at VCC=5V N-Channel MOSFET for Low Side
„ Integrated 20mΩ at VCC=5V N-Channel MOSFET for High Side
„ No Current-Sense Resistor (Lossless ILIMIT)
„ Quasi-PWM with 100ns Load-Step Response
„ 1% VOUT Accuracy Over Line and Load
„ Programmable Switching Frequency
„ Adjustable Output Range from 0.8V
„ 4.5V to 28V Adapter or Battery Input Range
„ Integrated Boost Switch
„ OVP & UVP
„ Over Temperature Protection (non-latch)
„ Adjustable Soft-Start
„ Power-Good Indicator
应用范围 返回TOP
„ Notebook Computers
„ I/O Supply
„ Chipset/RAM Supply as Low as 0.8V
„ Networking Power Supply
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
|
Point Of Load(Synchronous Quasi-PWM Step Down Converter) |
|||||||||
|
Part NO. |
Vin(V) min. |
Vin(V) max. |
Ilimit (V) |
FSW (kHz) |
FB(V) |
HSRON (mohm) |
LSRON (mohm) |
Note |
Package |
|
4.5 |
28 |
10 |
ADJ |
0.75 |
20 |
8.5 |
With 5V Supply, EN, PGOOD |
QFN4X4-28 QFN5X5-32 |
|
|
4.5 |
28 |
10 |
ADJ |
0.75 |
20 |
8.5 |
EN, PGOOD, ILMIT set by R |
QFN4X4-28 |
|
|
4.5 |
28 |
8 |
ADJ |
0.75 |
20 |
20 |
With 5V Supply, EN, PGOOD |
QFN4X4-28 QFN5X5-32 |
|
|
4.5 |
28 |
6 |
ADJ |
0.75 |
20 |
20 |
EN, PGOOD, ILMIT set by R |
QFN4X4-28 |
|
|
4.5 |
28 |
8 |
ADJ |
0.9 |
30 |
15 |
With 5V Supply, EN, PGOOD, Low Iq |
QFN3X3-21 |
|
|
CXSD62367A |
4.5 |
28 |
4 |
ADJ |
0.9 |
30 |
30 |
With 5V Supply, EN, PGOOD, Low Iq |
QFN3X3-21 |
|
4.5 |
28 |
10 |
ADJ |
0.8 |
20 |
8.5 |
EN, PGOOD, MLCC, Soft Start adjustable |
QFN4X4-23 2 Thermal Pads |
|
|
5.5 |
28 |
8 |
ADJ |
5.05 |
20 |
17 |
5V System Power Rail,LDO5 Switchover5V,ON5, ENL,PGOOD,Low Iq,MLCC,Ultrasonic with VCLK |
QFN4X4-28 2 Thermal Pads |
|
|
CXSD62370A |
5.5 |
28 |
10 |
ADJ |
5.05 |
20 |
8.5 |
5V System Power Rail, LDO5 Switchover5V, ON5 ENL,PGOOD,Low Iq,MLCC,Ultrasonic with VCLK |
QFN4X4-28, 2 Thermal Pads |
|
CXSD62370B |
5.5 |
28 |
8 |
ADJ |
3.33 |
20 |
17 |
3V System Power Rail, LDO3 Switchover3V, ON3, ENL,PGOOD,Low Iq,MLCC,Ultrasonic with VCLK |
QFN4X4-28 2 Thermal Pads |
|
3 |
28 |
8 |
ADJ |
0.75 |
30 |
15 |
EN, PGOOD, Low Iq, MLCC |
QFN3X3-24 2 Thermal Pads |
|
|
5.5 |
28 |
8 |
ADJ |
0.9 |
30 |
15 |
With 5V Supply, EN, PGOOD, Low Iq, MLCC |
QFN3X3-24 2 Thermal Pads |
|
|
CXSD62372A |
5.5 |
28 |
4 |
ADJ |
0.9 |
30 |
30 |
With 5V Supply, EN, PGOOD, Low Iq, MLCC |
QFN3X3-24 2 Thermal Pads |
|
3 |
28 |
10 |
ADJ |
0.75 |
20 |
8.5 |
EN, PGOOD, Low Iq, MLCC |
QFN4X4-28 2 Thermal Pads |
|
|
CXSD62373A |
3 |
28 |
8 |
ADJ |
0.75 |
30 |
15 |
EN, PGOOD, Low Iq, MLCC |
QFN4X4-28 2 Thermal Pads |
◀ 上一篇:4.5V至28V适配器或电池输入CXSD62367A软启动负载的1%输出精度可编程开关频率30μA的低静态电流
下一篇▶:4.5V至5.5V可调输出40μA的低静态电流8A同步DC/DC降压变换器CXSD62369负载的1%输出精度6V至28V适配器或电池输入
