CXSD61016 150KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 2A load with high efficiency, low ripple and excellent line and load regulation.
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目录
产品概述 返回TOP
The CXSD61016 is a 150KHz fixed frequency PWM buck
(step-down) DC/DC converter,capable of driving a 2A 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 enable function, an over current protection function is built inside. An internal compensation block is built in to minimize external component count.
产品特点 返回TOP
1.）Wide 4.5V to 40V Input Voltage Range
2.）Output Adjustable from 1.235V to 37V
3.）Minimum Drop Out 1.5V
4.）Fixed 150kHz Switching Frequency
5.）2A Constant Output Current Capability
6.）Internal Optimize Power Transistor
7.）Excellent line and load regulation
8.）TTL shutdown capability
9.）ON/OFF pin with hysteresis function
10.）With output constant current loop
11.）Built in thermal shutdown function
12.）Built in current limit function
13.）Built in output over voltage protection
14.）SOP8-EP (Exposed PAD) package
应用范围 返回TOP
Car Charger
Battery Charger
LED Constant Current Driver
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
| Pin Number | Pin Name | Description |
| 1,2 | SW | Power Switch Output Pin (SW). Output is the switch node that supplies power to the output. |
| 3 | GND | Ground Pin.(Note: Connected the back exposed PAD to Pin3.) |
| 4 | FB | Feedback Pin (FB). Through an external resistor divider network, Feedback senses the output voltage and regulates it. The feedback threshold voltage is 1.235V. |
| 5 | CS | Output Current Sense Pin; (Iload=0.155V/Rcs) |
| 6 | EN | Enable Pin. Drive EN pin low to turn on the device, drive it high to turn it off. Floating is default low. |
| 7,8 | VIN | Supply Voltage Input Pin. CXSD61016 operates from a 4.5V to 40V DC voltage. Bypass Vin to GND with a suitably large capacitor to eliminate noise on the input. |
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 |
静态工作电流 |
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|
CXSD61023A |
42V |
可调输出/带CC/cv模式 恒流模式保护 |
3.5A |
0.8V |
125K |
94% |
3mA |
|
CXSD61021A |
42V |
可调输出/带CC/cv模式 恒流模式保护 |
3A |
0.8V |
125K |
94% |
3mA |
|
CXSD61022A |
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 |
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|
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 |
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|
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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