3A, 23V ,380KHz Step-Down Converter CXSD6175 is a buck regulator with a built in internal power MOSFET. lt achieves 3A continuous output current over a wide input supply range with excellent load and
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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 CXSD6175 is a buck regulator with a built in internal power MOSFET. lt achieves 3A continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. The device includes cycle-by-cycle current limiting and thermal shutdown protection. Adjustable soft-start reduced the stress on the input source at power-on. The regulator only consumes 20μA supply current in shutdown mode. The CXSD6175 requires a minimum number of readily available external components to complete a 3A buck regulator solution.
˙3A Output Current
˙Adjustable Soft-Start
˙0.1Ω lnternal Power MOSFET Switch
˙Stable with Low ESR Output Ceramic Capacitors
˙Up to 95% Efficiency
˙20μA Shutdown Mode Current
˙Fixed 380KHz frequency
˙Thermal Shutdown
˙Cycle-by-Cycle Over Current Protection
˙Wide 4.75 to 23V operating lnput Range
˙Output Adjustable From 1.22 to 21V
˙Available SOP8 Exposed PAD
˙Under Voltage Lockout
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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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