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MP2420 4.5-75V, 0.3A Synchronous Step-Down Converter TSSOP-16
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pMPS MP2420 — Synchronous Step-Down Converter, 4.5-75V input, 0.3 A output, TSSOP-16, AEC-Q100./p
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MP2420 4.5-75V, 0.3A Synchronous Step-Down Converter TSSOP-16
The MPS MP2420 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 MP2420 is a step-down switching regulator with integrated high- and low-side, high-voltage power MOSFETs.
Key Specifications
| Part Number | MP2420 |
| 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 | MP2420 |
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 and Under-Voltage Lockout (UVLO)
- Programmable Short Window Mode or Long Window Mode
- Low Shutdown Mode Current of 5μA
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 MP2420 support?
4.5 V to 75 V. The rated output is 0.3 A.
Which package and ordering codes apply to the MP2420?
TSSOP-16; order codes include MP2420.
What are the defining features of the MP2420?
20μA Quiescent Current for Buck Only Wide 4.5V to 75V Operating Input Range (80V ABS MAX)
Is the MP2420 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.
Shenzhen Gaorunxin Technology Co., Ltd
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