20V, 2A Buck Switching Regulator CXSD6170 includes a high current P-MOSFET, high precision reference (0.5V) for comparing output voltage with a feedback amplifier, an internal dead-time controller
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目录
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 CXSD6170 is a buck switching regulator for wide operating voltage application fields. The CXSD6170 includes a high current P-MOSFET, high precision reference (0.5V) for comparing output voltage with a feedback amplifier, an internal dead-time controller and oscillator for controlling the maximum duty cycle and PWM frequency. It also has power-on programmable soft start time, short circuit PMOS turn-off and auto re-start protection functions.
˙Precision Feedback Reference Voltage: 0.5V (2%)
˙Wide Supply Voltage Operating Range: 3.6 to 20V
˙Low Current Consumption: 3mA
˙Internal Fixed Oscillator Frequency: 340KHz (Typ.)
˙Internal Soft-Start Function (SS)
˙Short Circuit Shutdown and Auto Re-start function (ARSCP)
˙Built-in P-MOSFET for 3A Loading Capability
˙Over Current Protection
˙Package: SOP-8L
Ø Distributed Power Systems
Ø Battery Charger Network Cards
Ø Pre-Regulator for Linear Regulators
Ø DSL Modems
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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 |
||
|
4.75 |
23 |
2 |
3.4 |
0.92 |
380 |
External |
|
|
4.75 |
23 |
2 |
3.5 |
0.92 |
1400 |
External |
|
