320KHz, 2A Asynchronous Buck Regulator CXSD6171 is a wide input range buck switching regulator suitable for most applications,includes a high current P-MOSFET, a high precision reference (0.8V) for co
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The CXSD6171 is a wide input range buck switching regulator suitable for most applications. The CXSD6171 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 2A Output Loading
˙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 | |||||||
| Part No. | VIN | Load | ISW Limit | Feedback | Switching | Soft Start | |
| (Min) | (Max) | Current | (Typ) | Voltage | Frequency | ||
| (V) | (A) | (A) | (V) | (kHz) | |||
| CXSD6169 | 3.6 | 20 | 2 | 3 | 0.5 | 340 | External |
| CXSD6170 | 3.6 | 20 | 3 | 4 | 0.5 | 340 | External |
| CXSD6171 | 3.6 | 25 | 2 | 3 | 0.8 | 320 | Internal |
| CXSD6172 | 3.6 | 25 | 3 | 4 | 0.8 | 320 | Internal |
| CXSD6173 | 3.6 | 25 | 2 | adjust | 0.8 | 340 | Internal |
| CXSD6174 | 3.6 | 25 | 3 | adjust | 0.8 | 340 | Internal |
| CXSD6175 | 4.75 | 23 | 3 | 5.5 | 1.222 | 380 | External |
| CXSD6176 | 4.75 | 23 | 2 | 3.4 | 0.92 | 380 | External |
| CXSD6177 | 4.75 | 23 | 2 | 3.4 | 1.222 | 380 | |
| CXSD6178 | 4.75 | 23 | 2 | 3.4 | 0.92 | 380 | External |
| CXSD6179 | 4.75 | 23 | 2 | 3.5 | 0.92 | 1400 | External |
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