MP1472
Active
4.75V to 18V, 340kHz, 2A Sync Buck with TSOT23-8 package, Low Cost
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The MP1472 is a monolithic synchronous buck regulator. The device integrates a 175mΩ high-side MOSFET and a 115mΩ low-side MOSFET that provide 2A of continuous load current over a wide input voltage of 4.75V to 18V. Current mode control provides fast transient response and cycle-by-cycle current limit.
An adjustable soft-start prevents inrush current at turn-on, and in shutdown mode the supply current drops to 1µA.
This device, available in an 8-pin TSOT23-8 package, provides a very compact solution with minimal external components.
Product Features
- 2A Output Current
- Wide 4.75V to 18V Operating Input Range
- Integrated Power MOSFET Switches
- Output Adjustable from 0.923V to 15V
- Up to 95% Efficiency
- Programmable Soft-Start
- Stable with Low ESR Ceramic Output Capacitors
- Fixed 340kHz Frequency
- Cycle-by-Cycle Over Current Protection
- Input Under Voltage Lockout
- 8–Pin TSOT23-8
Parametrics
- fsw (max) (kHz)340
- Vin (min) (V)4.75
- Vin (max) (V)18
- Iout (max) (A)2
- Isw Limit (typ) (A)4.1
- Max Duty Cycle (%)0.9
- Vfb (typ) (V)0.923
- Iq (typ) (mA)1.3
- Regulated Outputs1
- Vout (max) (V)15
- Vout (min) (V)0.923
- GradeCatalog
- PackageTSOT23-8
- Common FeaturesExternal Soft Start, Synchronous Rectification
Quality Policy, Certificates & Reliability Reports
All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.
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