SCT2321 3.8V-32V Vin, 2A Synchronous Step-down DCDC Converter with EMI Reduction
■The SCT2321 is a 2A synchronous buck converter with up to 32V wide input voltage range, which fully integrates a 130mΩ high-side MOSFET and a 70mΩ low-side MOSFET to provide high efficiency stepdown DCDC conversion. The SCT2321 adopts peak current mode control with the integrated compensation network, which makes SCT2321 easily to be used by minimizing the off-chip component count. The SCT2321 supports Force Pulse Width Modulation (FPWM) Mode to achieve the small output ripple at light load condition.
■The SCT2321 is an Electromagnetic Interference EMI) friendly buck converter with implementing optimized design for EMI reduction. The converter has proprietary designed gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off time, which erases high frequency radiation EMI noise caused by the MOSFETs hard switching.
■The SCT2321 offers output over-voltage protection, cycle-by-cycle peak current limit, and thermal shutdown protection. The device is available in a low profile TSOT23-6 package.
●FEATURES：
■EMI Reduction with Switching Node Ringing-free
■500kHz Switching Frequency
■Force Pulse Width Modulation (FPWM) Mode
■3.8V-32V Wide Input Voltage Range
■Up to 2A Continuous Output Load Current
■0.8V ±1% Feedback Reference Voltage
■Fully Integrated 130mΩ Rdson High Side MOSFET and 70mΩ Rdson Low Side MOSFET
■1uA Shut-down Current
■80ns Minimum On-time
■Precision Enable Threshold for Programmable UVLO Threshold and Hysteresis
■Low Dropout Mode Operation
■4ms Built-in Soft Start Time
■Output Over Voltage Protection
■Thermal Shutdown Protection at 160°C
■Available in TSOT23-6L Package
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SCT2321 、 SCT2321TVB 、 SCT2321TVBR 、 SCT2325 、 SCT2323 、 SCT2330 、 SCT2331 |
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Synchronous Step-down DCDC Converter 、 synchronous buck converter |
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[ White Goods ][ Home Appliance ][ Surveillance ][ Audio ][ WiFi Speaker ][ Printer ][ Charging Station ][ DTV ][ STB ][ Monitor/LCD Display ] |
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Datasheet |
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Please see the document for details |
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TSOT23-6;TSOT23-6L |
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English Chinese Chinese and English Japanese |
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2021/07/29 |
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1.4 MB |
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