MP1482
Active
2A, 18V Synchronous Rectified, Step-Down Converter
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The MP1482 is a monolithic synchronous buck regulator. The device integrates two 130mΩ MOSFETs, and provides 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 SOIC package, provides a very compact solution with minimal external components.
Product Features
- 2A Output Current
- Wide 4.75V to 18V Operating Input Range
- Integrated 130mΩ Power MOSFET Switches
- Output Adjustable from 0.923V to 15V
- Up to 93% Efficiency
- Programmable Soft-Start
- Stable with Low ESR Ceramic Output Capacitors
- Fixed 340kHz Frequency
- Cycle-by-Cycle Over Current Protection
- Input Under Voltage Lockout
- SOIC8
Parametrics
- fsw (max) (kHz)340
- Vin (min) (V)4.75
- Vin (max) (V)18
- Iout (max) (A)2
- Isw Limit (typ) (A)3.4
- 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
- PackageSOIC-8
- Common FeaturesExternal Soft Start, Synchronous Rectification
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