- MP5423
MP5423
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Description
The MP5423 is a high input voltage power management IC with one buck converter and two LDOs. It is designed for small size & high integration electric-bike control board power management. Integrated buck and LDOs minimize the system components.
The Buck converter adopts peak current mode control, providing 300mA current for load and downstream LDO regulators, while the following LDOs provide 5V and 3.3V regulated power source to system. The current-mode buck converter provides fast transient response and cycle-by-cycle switching current limit. All output voltages are fixed internally with little external components.
The MP5423 features a lot of protection including: VIN ULVO, cycle-by-cycle buck current limit, SCP and OTP.
The MP5423 is available in SOIC8-EP package.
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Features & Benefits
- 25V to 100V Input Operation Voltage
- Fixed 14V, 5V, 3.3V Output Voltage
- Buck Converter
- - 14V ±2% Output Voltage
- - 650mA Switching Current Limit
- - 1.45Ω Buck High-side MOSEFT
- - 200kHz Switching Frequency
- - Frequency Stretch Down in SCP
- 5V LDO Regulator
- - 100mA Total Load Capability
- - 5.04V ±2% Output Voltage
- - Current Limit Flodback in SCP
- 3.3V LDO Regulator
- - 40mA Load Capability
- - 3.3V ±1% Output Voltage
- - Current Limit Flodback in SCP
- 170°C OTP Protection
- SOIC8-EP Package
Active Part Numbers:
MP5423GN-P MP5423GN-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP5423 Resources
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