MP28367
Active
1A, 21V, 1.4MHz Asynchronous Step-Down Converter in a TSOT23-6
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The MP28367 is a monolithic step-down switch mode converter with a built-in internal power MOSFET. It achieves 1A peak 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. Fault condition protection includes cycle¬by¬cycle current limiting and thermal shutdown. The MP28367 requires a minimum number of readily available standard external components. The MP28367 is available in TSOT23-6 packages.
Product Features
- 1A Output Current
- 0.35Ω Internal Power MOSFET Switch
- Stable with Low ESR Output Ceramic Capacitors
- Up to 90% Efficiency
- 0.1μA Shutdown Mode
- Fixed 1.4MHz Frequency
- Thermal Shutdown
- Cycle-by-Cycle Over Current Protection
- 6V to 21V Operating Input Range
- Output Adjustable from 0.81V to 15V
- Available in TSOT23-6 Packages
Parametrics
- fsw (max) (kHz)1400
- Vin (min) (V)6
- Vin (max) (V)21
- Iout (max) (A)1
- Isw Limit (typ) (A)1.8
- Max Duty Cycle (%)0.87
- Vfb (typ) (V)0.81
- Iq (typ) (mA)0.8
- Regulated Outputs1
- Vout (max) (V)15
- Vout (min) (V)0.81
- GradeCatalog
- PackageTSOT23-6
- Control ModeCurrent Mode
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