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MPQ2420-AEC1 4.5-75V, 0.3A Synchronous Step-Down Converter TSSOP-16
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pMPS MPQ2420-AEC1 — Synchronous Step-Down Converter, 4.5-75V input, 0.3 A output, TSSOP-16, AEC-Q100./p
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MPQ2420-AEC1 4.5-75V, 0.3A Synchronous Step-Down Converter TSSOP-16
The MPS MPQ2420-AEC1 is a Synchronous Step-Down Converter. It operates from a 4.5 V to 75 V input and is rated for 0.3 A. It is supplied in a TSSOP-16 package. The part is AEC-Q100 qualified.
The MPQ2420 is a step-down switching regulator with integrated high- and low-side, high-voltage power MOSFETs.
Key Specifications
| Part Number | MPQ2420-AEC1 |
| Function | Synchronous Step-Down Converter |
| Input Voltage | 4.5 V to 75 V |
| Current Rating | 0.3 A |
| Quiescent Current | 20 µA |
| Package | TSSOP-16 |
| Qualification | AEC-Q100 |
| Ordering Codes | MPQ2420-AEC1 |
Features
- 20μA Quiescent Current for Buck Only
- Wide 4.5V to 75V Operating Input Range (80V ABS MAX)
- 1.2Ω/0.45Ω Internal Power MOSFETs
- Programmable Soft Start
- FB Tolerance: 1% at Room Temperature, 2% at Full Temperature
- Adjustable Output Voltage
- Integrated Window Watchdog
- Power-On Reset during Power-Up
- Under-Voltage Lockout and Thermal Shutdown
- Programmable Short Window Mode or Long Window Mode
Typical Application Circuit
Applications
- Automotive Systems
- Industrial Power Systems
- Distributed Power Systems
Design Notes
- Dissipation is (VIN − VOUT) × IOUT. Check it against the package thermal resistance at the real ambient temperature before committing to the full rated current.
- Some low-noise LDOs require a minimum output capacitor ESR for loop stability — read the stability section before substituting a ceramic part.
- Add a bypass capacitor on the reference pin where provided; it sets the output noise floor.
- PSRR falls as the input-to-output differential shrinks, so headroom matters at low VIN.
Common Questions
What input voltage does the MPQ2420-AEC1 support?
4.5 V to 75 V. The rated output is 0.3 A.
Which package and ordering codes apply to the MPQ2420-AEC1?
TSSOP-16; order codes include MPQ2420-AEC1.
What are the defining features of the MPQ2420-AEC1?
20μA Quiescent Current for Buck Only Wide 4.5V to 75V Operating Input Range (80V ABS MAX)
Is the MPQ2420-AEC1 qualified for automotive designs?
Yes — it is AEC-Q100 qualified. Confirm the grade against the qualification summary in the datasheet before specifying it on a safety-related rail.
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