ADJUSTABLE OUTPUT VOLTAGE RANGE FROM 0.8 V TO 27 V
Analog IC - Other Type:
SWITCHING REGULATOR
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
30 V
Input Voltage-Min:
4 V
Input Voltage-Nom:
12 V
JESD-30 Code:
S-PDSO-N8
JESD-609 Code:
e3
Length:
3 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Terminals:
8
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
5.5 A
Package Body Material:
PLASTIC/EPOXY
Package Code:
VSON
Package Shape:
SQUARE
Package Style:
SMALL OUTLINE, VERY THIN PROFILE
Seated Height-Max:
1 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
410 kHz
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
NO LEAD
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Width:
3 mm
MP4423GQ-Z Frequently Asked Questions (FAQs)
A good PCB layout for the MP4423GQ-Z should include a solid ground plane, separate analog and digital grounds, and a decoupling capacitor (e.g., 10uF) close to the VIN pin. Additionally, keep the input and output capacitors close to the IC and use short, wide traces for the power paths.
For the input capacitor, choose a low-ESR capacitor (e.g., X5R or X7R dielectric) with a value between 4.7uF to 10uF. For the output capacitor, choose a low-ESR capacitor with a value between 10uF to 22uF. Ensure the capacitors are rated for the maximum input voltage and can handle the ripple current.
The MP4423GQ-Z can operate reliably up to an ambient temperature of 85°C. However, it's recommended to derate the output current and input voltage to ensure reliable operation at higher temperatures.
To ensure stability, ensure the output capacitor has a low ESR, and the output voltage is within the recommended range. Also, avoid using a capacitor with a high ESL (equivalent series inductance) on the output. Additionally, a small ceramic capacitor (e.g., 100nF) can be added in parallel with the output capacitor to improve stability.
The recommended input voltage range for the MP4423GQ-Z is 4.5V to 18V. Operating outside this range may affect the device's performance, efficiency, and reliability.
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MP4423GQ-Z Overview
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