320KHz, 3A Asynchronous Buck Regulator CXSD6172 is a wide input range buck switching regulator suitable for most applications
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1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（PDF文档）
The CXSD6172 is a wide input range buck switching regulator suitable for most applications. The CXSD6172 includes a high current P-MOSFET, a high precision reference (0.8V) for comparing output voltage with a feedback amplifier, an internal soft start timer and dead-time controller. The oscillator controls both the maximum duty cycle and PWM frequency.
Precision Feedback Reference Voltage: 0.8V (2%)
Wide Supply Voltage Operating Range: 3.6 to 20V
Low Current Consumption: 3mA
Internal Fixed Oscillator Frequency: 320KHz (Typ.)
Internal Soft-Start Function (SS)
Built-In P-MOSFET for 3A Output Loading
Over Current Protection
Package: SOP-8L
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非同步降压（Buck）转换器NON-SYNCHRONOUS STEP-DOWN (BUCK) CONVERTERS |
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Part No. |
VIN |
Load |
ISW Limit |
Feedback |
Switching |
Soft Start |
|
|
(Min) |
(Max) |
Current |
(Typ) |
Voltage |
Frequency |
||
|
(V) |
(A) |
(A) |
(V) |
(kHz) |
|||
|
3.6 |
20 |
2 |
3 |
0.5 |
340 |
External |
|
|
3.6 |
20 |
3 |
4 |
0.5 |
340 |
External |
|
|
3.6 |
25 |
2 |
3 |
0.8 |
320 |
Internal |
|
|
3.6 |
25 |
3 |
4 |
0.8 |
320 |
Internal |
|
|
3.6 |
25 |
2 |
adjust |
0.8 |
340 |
Internal |
|
|
3.6 |
25 |
3 |
adjust |
0.8 |
340 |
Internal |
|
|
4.75 |
23 |
3 |
5.5 |
1.222 |
380 |
External |
|
|
4.75 |
23 |
2 |
3.4 |
0.92 |
380 |
External |
|
|
4.75 |
23 |
2 |
3.4 |
1.222 |
380 |
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|
4.75 |
23 |
2 |
3.4 |
0.92 |
380 |
External |
|
|
4.75 |
23 |
2 |
3.5 |
0.92 |
1400 |
External |
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