MPQ2459-AEC1
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0.5A, 55V, 480kHz Step-Down Converter with AEC-Q100 qualification
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The MPQ2459 is a monolithic, step-down, switch-mode converter with a built-in 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 a fast transient response and eases loop stabilization. Fault protections include cyclebycycle current limiting and thermal shutdown.
The MPQ2459 requires a minimal number of readily-available, standard, external components. The MPQ2459 is available in a TSOT23-6 package.
Product Features
- Guaranteed Industrial/Automotive Temp Range Limits.
- 0.5A Peak Output Current
- 1O Internal Power MOSFET
- Stable with Low-ESR Ceramic Output Capacitors
- Up to 90% Efficiency
- 0.1µA Shutdown Mode
- Fixed 480kHz Frequency
- Thermal Shutdown
- Cycle-by-Cycle Over-Current Protection
- Wide 4.5V-to-55V Input Operating Range
- Output Adjustable from 0.81V to 0.95×VIN
- Available in a TSOT23-6 Package
- Available in AEC-Q100 Grade 1
Parametrics
- fsw (max) (kHz)480
- Vin (min) (V)4.5
- Vin (max) (V)55
- Iout (max) (A)0.5
- Isw Limit (typ) (A)1.25
- Max Duty Cycle (%)0.935
- Vfb (typ) (V)0.812
- Iq (typ) (mA)0.73
- Regulated Outputs1
- Vout (max) (V)52
- Vout (min) (V)0.81
- PGNo
- GradeAutomotive
- PackageTSOT23-6
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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