MP2357
Active
0.5A, 24V, 1.4MHz Step-Down Converter in a TSOT23-6
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The MP2357 is a monolithic step-down switch mode converter with a built-in internal power MOSFET. It achieves a 0.5A 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 MP2357 requires a minimum number of readily available standard external components. The MP2357 is available in TSOT23-6 and SOT23-6 packages.
Product Features
- 0.5A Peak Output Current
- 0.35Ω Internal Power MOSFET Switch
- Stable with Low ESR Output Ceramic Capacitors
- Up to 92% Efficiency
- 0.1μA Shutdown Mode
- Fixed 1.4MHz Frequency
- Thermal Shutdown
- Cycle-by-Cycle Over Current Protection
- Wide 4.5V to 24V Operating Input Range
- Output Adjustable from 0.81V to 15V
- Available in a TSOT23-6 and SOT23-6 Packages
Parametrics
- fsw (max) (kHz)1400
- Vin (min) (V)4.5
- Vin (max) (V)24
- Iout (max) (A)0.5
- Isw Limit (typ) (A)0.8
- 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
- PackageSOT23-6, TSOT23-6
- Control ModeCurrent Mode
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