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Monolithic Power Systems MPQ2459-AEC1
0.5A, 55V, 480kHz, Step-Down Converter in a TSOT23-6 Package AEC-Q100 Qualified
Overview
| Topology | Buck Converter |
| Input voltage | 7-55 V |
| Switching frequency | 360-600 kHz |
| Output 1 | 5 V / 0.5 A |
| IC revision | 1.1 |
Description
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.
Features
- Guaranteed Industrial/Automotive Temp Range Limits.
- 0.5A Peak Output Current
- 1Ω 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
Typical applications
- Distributed Power Systems
- WLED Drivers
- Pre-Regulators for Linear Regulators
- Battery Chargers
- Power Meters
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-CBF SMT EMI Suppression Ferrite Bead, 30 Ω, 55 Ω | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | Impedance @ 100 MHz30 Ω | Maximum Impedance55 Ω | Maximum Impedance1000 MHz | Rated Current 23000 mA | DC Resistance0.025 Ω | TypeHigh Current | –Check availability |
Availability Forecast
WE item number: –
VPELead time
–– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
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