MP2359
Active
1.2A, 24V, 1.4MHz Asynchronous Step-Down Converter in a TSOT23-6
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The MP2359 is a monolithic step-down switch mode converter with a built-in power MOSFET. It achieves 1.2A 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 cyclebycycle current limiting and thermal shutdown. The MP2359 requires a minimum number of readily available standard external components. The MP2359 is available in TSOT23-6 and SOT23-6 packages.
Product Features
- 1.2A 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 TSOT23-6 and SOT23-6 Packages
Parametrics
- fsw (max) (kHz)1400
- Vin (min) (V)4.5
- Vin (max) (V)24
- Iout (max) (A)1.2
- 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
- PackageSOT23-6, TSOT23-6
- Control ModeCurrent Mode
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