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EnglishAdjustable Output Voltage From 0.6V to VIN CXSD6248,1.5MHz, 2A Synchronous Step-Down Regulator,The internal generated 0.6V precision feedback reference voltage is designed for low output voltage. Low
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5.产品封装 6.电路原理图</strong> 7.相关产品
The CXSD6248 is a high efficiency current mode synchronous buck PWM DC-DC regulator. The internal generated 0.6V precision feedback reference voltage is designed for low output voltage. Low RDS (ON) synchronous switch dramatically reduces conduction loss. To extend battery life for portable application, 100% duty cycle is supported for low-dropout operation. Shutdown mode also helps saving the current consumption. The CXSD6248 is packaged in SOP-8L to reduce PCB space.
˙Input Voltage Range: 2.5 to 5.5V
˙Adjustable Output Voltage From 0.6V to VIN
˙Precision Feedback Reference Voltage: 0.6V (±2%)
˙Output Current: 2A (Max.)
˙Duty Cycle: 0~100%
˙Internal Fixed PWM Frequency: 1.5MHz
˙Low Quiescent Current: 100μA
˙No Schottky Diode Required
˙Built-in Soft Start
˙Current Mode Operation
˙Over Temperature Protection
˙Package: SOP-8L (EP)
1.5MHz, 2A Synchronous Step-Down Regulator
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| 同步降压（Buck）转换器SYNCHRONOUS STEP-DOWN(BUCK) CONVERTERS | ||||||||||
| Part No. | VIN | Load | ISW Limit | Feedback | Switching | Soft | Notes | Package | Status | |
| (Min) | (Max) | Current | (Typ) | Voltage | Frequency | Start | ||||
| (V) | (A) | (A) | (V) | (kHz) | ||||||
| CXSD6240 | 2.5 | 5.5 | 0.8 | 1.25 | 0.6 | 1500 | Internal | Internal Comp | SOT23-5 | MP |
| CXSD6241 | 2.5 | 5.5 | 1 | 1.5 | 0.6 | 1500 | Internal | Internal Comp | TSOT23-5L /SOT23-5L/DFN-6L | MP |
| CXSD6242 | 2.5 | 5.5 | 1.5 | 2.35 | 0.6 | 1500 | Internal | Internal Comp | SOP8E DFN10/MSOP10E | MP |
| CXSD6243 | 2.5 | 5.5 | 2 | 3.35 | 0.6 | 1500 | Internal | Internal Comp | SOP8E DFN10/MSOP10E | MP |
| CXSD6244 | 2.5 | 5.5 | 3 | 5 | 0.6 | 1500 | Internal | Internal Comp | SOP8E DFN10 MSOP10E | MP |
| CXSD6245 | 2.5 | 5.5 | 1A*2 | 1.5 | 0.6 | 1500 | Internal | Dual Channel | MSOP10E DFN10 | MP |
| CXSD6246 | 2.5 | 5.5 | 1A*2 | 1.5 | 0.6 | 1500 | Internal | Dual Channel | DFN12 | MP |
| CXSD6247 | 2.5 | 5.5 | 1A*2 | 1.5 | 0.6 | 1500 | Internal | Dual Channel | DFN10 | MP |
| CXSD6248 | 2.5 | 5.5 | 2 | 3.3 | 0.6 | 1500 | Internal | Internal Comp | SOP8E | MP |
| CXSD6249 | 2.5 | 5.5 | 2 | 3.3 | 0.8 | 1000 | Internal | Internal Comp | SOP8E | MP |
| CXSD6250 | 2.5 | 5.5 | 3 | 5 | 0.8 | 1000 | Internal | Internal Comp | SOP8E | MP |
| CXSD6251 | 4.75 | 23 | 2 | 3.4 | 0.923 | 340 | External | External Comp | SOP8 SOP8E | MP |
| CXSD6252 | 4.75 | 23 | 3 | 3.4 | 0.923 | 340 | External | External Comp | SOP8E | MP |
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