CXSU63272是一款超低静态电流低至1uA的高效同步升压变换器。它能够从低电压源（即0.4A，5V输出）输出至少2W的功率。它还具有一个真正的关闭功能，在关闭和输出短路条件下断开输入和输出。这消除了外部MOSFET及其控制电路的需要，以断开输入与输出，并提供强大的输出过载保护。
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[ CXSU63272 ]
目录
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产品概述 返回TOP
CXSU63272 is a high efficiency synchronous step-up converter with ultra- low quiescent current down to 1uA. It is capable of delivering at least 2W of power from a low voltage source, i.e. 0.4A at 5V output. It also features a true-shutofffunction that disconnects the input from output, during shutdown and output short-circuit conditions. This eliminates the need for an external MOSFET and its control circuitry to disconnect the input from output and provides robust output overload protection. A switching frequency of 1.4MHz minimizes solution footprint by allowing the use of tiny and low profile inductors and ceramic capacitors. An intemal synchronous MOSFET provides highest efficiency and with a current mode control that is internally compensated, external parts count is reduced to minimal. With the ultra-low IQ feature, CXSU63272 is ideal for solution that requires low standby power and compact board size such as loT applications. CXSU63272 is housed in a SOT23-6 and DFN2x2-6 package
产品特点 返回TOP
Ultra low IQ when No Switching :1uA
Qutput Disconnect
Short-circuit Protection
5V/0.4A Qutput Power
Qutput to Input Reversed Current Protection
Up to 94% Efficiency
Internal Synchronous Rectifier
Current IVlode control
Logic Control
Shutdown and Thermal shutdown
SQT23-6&DFN2X2-6 Package
应用范围 返回TOP
Tablet, MID
♦ Smart Phone
♦ Power Bank
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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DC-DC>同步升压 |
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Device |
Device |
Architecture |
VIN |
VOUT |
Isw |
Vfb |
Switching |
IQ |
Package |
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Description |
(min) |
(max) |
(min) |
(max) |
(max) |
(V) |
Frequency |
(uA) |
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(V) |
(V) |
(V) |
(V) |
(A) |
(Hz) |
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12W/20V异步升压 |
外部补偿 |
2.7 |
5.5 |
Vin |
20 |
可调 |
0.6 |
可调 |
600 |
ESOP8 |
|
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10uA Iq 同步升压 |
内部补偿 |
0.85 |
4.5 |
2.1 |
5 |
0.7 |
0.6 |
1M |
10 |
SOT23-5 |
|
|
500mA同步升压 |
内部补偿 |
0.85 |
4.5 |
2.1 |
5 |
1 |
0.6 |
1M |
60 |
SOT23-5 |
|
|
500mA 3-Pin同步升压 |
内部补偿 |
0.85 |
4.5 |
3.3 |
5 |
1 |
N/A |
1M |
60 |
SOT89-3 |
|
|
900mA真关断同步升压 |
内部补偿 |
0.85 |
4.5 |
2.1 |
5 |
1.5 |
0.6 |
2M |
40 |
DFN2x2-6 |
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|
3W真关断同步升压 |
内部补偿 |
0.85 |
4.5 |
2.1 |
5 |
1.5 |
N/A |
2M |
40 |
SOT23-5 |
|
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5V/2.5A真关断同步升压 |
内部补偿 |
2.65 |
4.5 |
5 |
5 |
5 |
N/A |
1M |
120 |
DFN3x3-12 |
|
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5V/2A真关断同步升压 |
内部补偿 |
3.1 |
4.5 |
5 |
5 |
5 |
N/A |
1M |
120 |
DFN3x3-12 |
|
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5V/2.5A真关断同步升压 |
内部补偿 |
3.1 |
4.5 |
5 |
5 |
5 |
N/A |
1M |
120 |
DFN3x3-12 |
|
|
5V/2.5A真关断同步升压 |
内部补偿 |
1.8/3.1 |
5 |
Vin |
5.5 |
6 |
0.6 |
1M |
50 |
DFN3x3-12 |
|
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5V/2.5A真关断同步升压 |
内部补偿 |
1.8/3.1 |
5 |
Vin |
5.5 |
6 |
0.6 |
1M |
50 |
QFN3x3-16 |
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5V/2.5A真关断同步升压 |
纯PWM/内部补偿 |
1.8/3.1 |
5 |
Vin |
5.5 |
6 |
0.6 |
1M |
10000 |
QFN3x3-16 |
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|
高效单串10颗LED驱动 |
外部补偿 |
2.7 |
6 |
Vin |
40 |
0.7 |
0.2 |
600K |
600 |
SOT23-6 |
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|
高效单串10颗LED驱动 |
外部补偿 |
2.7 |
6 |
Vin |
40 |
0.7 |
0.2 |
600K |
600 |
DFN2x2-6 |
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1uA工作电流的升压IC |
0.6 |
5 |
3.3 |
5 |
1A |
内部固定 |
1400 |
1 |
SOT23-6 |
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10W/24V异步升压 |
内部补偿 |
2.7 |
6 |
Vin |
24 |
3 |
0.2 |
1M |
250 |
SOT23-6 |
|
|
高效单串10颗LED驱动 |
内部补偿 |
2.7 |
6 |
Vin |
40 |
1 |
0.2 |
800K |
250 |
SOT23-6 |
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