中文
English3A 180KHz 36V Buck DC to DC Converter With CV/CC Loop CXSD61018 is a 180 KHz fixed frequency PWM buc
目录
产品概述 返回TOP
The CXSD61018 is a 180 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 2.5A load with high efficiency, low ripple and excellent line and load regulation. Requiring a minimum number of external components, the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator. The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%. An over current protection function is built inside. When short protection function happens, the operation frequency will be reduced from 180KHz to 48KHz. An internal compensation block is built in to minimize external component count
产品特点 返回TOP
n Wide 8V to 36V Input Voltage Range
n Output Adjustable from 1.25V to 32V
n Maximum Duty Cycle 100%
n Minimum Drop Out 0.3V
n Fixed 180KHz Switching Frequency
n Maximum 3A Switching Current
n Internal Optimize Power MOSFET
n High efficiency
n Excellent line and load regulation
n With output constant current loop
n Built in thermal shutdown function
n Built in current limit function
n Built in output short protection function
n Available in SOP8L package
应用范围 返回TOP
n Car Charger
n Battery Charger
n LCD Monitor and LCD TV
n Portable instrument power supply
n Telecom / Networking Equipment
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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降压IC |
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型号 |
输入耐压 |
输出电压 |
输出电流 |
反馈电压 |
工作频率 |
效率 |
静态工作电流 |
|
42V |
可调输出/带CC/cv模式 恒流模式保护 |
3.5A |
0.8V |
125K |
94% |
3mA |
|
|
42V |
可调输出/带CC/cv模式 恒流模式保护 |
3A |
0.8V |
125K |
94% |
3mA |
|
|
42V |
可调输出/带CC/cv模式 恒流模式保护 |
2.5A |
0.8V |
125K |
94% |
3mA |
|
|
40V |
可调输出/带CC/cv模式 |
3A |
0.8V |
225K |
92% |
2.84mA |
|
|
50V |
5V固定输出 |
3.2A |
150K |
87% |
4.7mA |
||
|
50V |
5V固定输出 |
2.4A |
150K |
89% |
4.7mA |
||
|
50V |
5V固定输出 |
2.1A |
150K |
90% |
4.7mA |
||
|
50V |
5V固定输出 |
1.8A |
150K |
90% |
4.7mA |
||
|
40V |
可调输出/带CC/CV模式带线损补偿 |
3A |
0.8V |
125K |
94% |
4mA |
|
|
40V |
5V固定输出 |
3.5A |
150K |
93% |
2mA |
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|
45V |
可调输出/ |
2A |
1.23V |
150K |
93% |
2mA |
|
|
40V |
可调输出/带CC/CV模式 |
2A |
1.18V |
110K |
93% |
10mA |
|
|
42V |
可调输出 |
3A |
0.8V |
50-500K |
91% |
3mA |
|
|
40V |
可调输出/带CC/cv模式 |
3A |
1.25V |
180K |
89% |
2.1mA |
|
|
40V |
可调输出/带CC/cv模式 |
3.5A |
1.25V |
180K |
87% |
2.1mA |
|
|
45V |
可调输出/带CC模式 |
3A |
1.25V |
150K |
89% |
2.0mA |
|
|
45V |
可调输出/带CC模式 |
2A |
1.235V |
150K |
83% |
2.0mA |
|
|
4.75V-40V |
可调输出 |
0.8A |
0.8V |
550K |
90% |
10uA |
|
|
4.0-42V |
可调输出 |
1.5A |
0.8V |
650K |
91% |
600uA |
|
|
4.5-25V |
可调输出 |
1.8A |
0.8V |
1.4M |
92% |
1.8mA |
|
|
20V |
可调输出 |
3.5A |
1.2V |
400K |
89% |
700uA |
|
|
28V |
可调输出 |
3A |
1.22V |
380K |
89% |
3mA |
|
|
20V |
可调输出 |
3A |
0.8V |
380K |
88% |
3mA |
|
|
20V |
可调输出 |
2A |
0.8V |
380K |
89% |
2mA |
|
|
45V |
5.0V/可调输出/3.3/12V |
2A |
1.23V |
150K |
82% |
2mA |
|
|
45V |
5.0V/可调输出 |
3A |
1.23V |
380K |
73% |
2mA |
|
|
27V |
可调输出 |
2A |
1.22V |
420K |
95% |
1mA |
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