- MP4423C
MP4423C
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Description
The MP4423C is a high-frequency, synchronous, rectified, step-down switch-mode converter with built-in power MOSFETs. It offers a very compact solution to achieve up to 6A of continuous output current (IOUT), with excellent load and line regulation across a wide input supply range. The MP4423C provides synchronous mode to achieve higher efficiency across the IOUT load range.
Current mode provides fast transient response and eases loop stabilization. Fault condition protections include current limiting with hiccup mode, output over-voltage protection (OVP), and thermal shutdown (TSD).
The MP4423C requires a minimal number of readily available, standard external components. It is available in a QFN-16 (3mmx4mm) package.
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Features & Benefits
- Wide 4V to 36V Continuous Operating Input Voltage (VIN) Range
- 50mΩ/30mΩ Low On Resistance (RDS(ON)) Internal Power MOSFETs
- Up to 6A of Output Current (IOUT)
- Up to 2.2MHz Switching Frequency (fSW)
- 420kHz/2.2MHz fSW with Spread Spectrum
- OUT to VCC Switch-Over Low-Dropout (LDO) Improves Efficiency
- Synchronizes to a 200kHz to 2.2MHz External Clock
- Adjustable Forced Pulse-Width Modulation (PWM) Mode, Automatic Pulse-Frequency Modulation (PFM) Mode, or Automatic PWM Mode
- Passive Output Discharge
- Output Over-Voltage Protection (OVP)
- Over-Current Protection (OCP) with Hiccup Mode
- Thermal Shutdown (TSD) Protection
- Adjustable Output from 0.8V
- Available in a QFN-16 (3mmx4mm) Package with Wettable Flanks

Active Part Numbers:
MP4423CGLE-Z MP4423CGLE-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP4423C Resources
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