MP24943
Active
3A, 55V, 100kHz, Programmable Output OVP Threshold
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The MP24943 is a monolithic, step-down, switch-mode converter. It supplies 3A of continuous output current over a wide input-supply range with excellent load and line regulation. MP24943 achieves low EMI signature with well-controlled switching edges. Fault condition protection includes programmable-output over-voltage protection, cyclebycycle current limit, and thermal shutdown. MP24943 requires a minimal number of readily-available standard external components. It is available in SOIC8 and SOIC8E package.
Product Features
- Wide 4.5V to 55V Operating Input Range
- Programmable Output Over-Voltage Protection
- Output Adjustable from 0.8V to 45V
- 0.15O Internal Power MOSFET Switch
- Stable with Low ESR Output Ceramic Capacitors
- Fixed 100kHz Frequency
- Low EMI Signature
- Thermal Shutdown
- Cycle-by-Cycle Over-Current Protection
- Available in SOIC8 and SOIC8E Packages
Parametrics
- fsw (max) (kHz)100
- Vin (min) (V)4.5
- Vin (max) (V)55
- Iout (max) (A)3
- Isw Limit (typ) (A)6.5
- Vfb (typ) (V)0.8
- Iq (typ) (mA)0.65
- Regulated Outputs1
- Vout (max) (V)45
- Vout (min) (V)0.8
- PGNo
- SSExternal
- GradeCatalog
- PackageSOIC-8, SOIC-8E
- Control ModeCurrent Mode
- Common FeaturesExternal Soft Start
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