3.5A wide-input synchronous buck IC with auto PWM/PFM and full protections for industrial, communication, consumer and automotive power supply
Specifications
Manufacturer:
Diodes Incorporated
Product Number:
AP63357DV-7
Description:
IC REG BUCK ADJ 3.5A 13DFN
Highlight:
3.5A synchronous buck IC
,wide-input buck IC with protections
,automotive power supply IC
Introduction
3.5A Wide-Input Synchronous Buck IC with Auto PWM/PFM and Full Protections
AP63357DV-7 is a high-efficiency synchronous buck DC-DC converter supporting wide input voltage of 4.5V to 30V and delivering up to 3.5A continuous output current for industrial, communication, consumer, and automotive power supply applications.
Core Functions
- High Efficiency Power Conversion: Integrated low on-resistance power MOSFETs with COT constant on-time control provide fast transient response, low output ripple, and reduced external component count
- Automatic Mode Switching: Seamlessly switches between PWM and PFM modes - PFM improves light-load efficiency while PWM maintains stable output voltage ripple under heavy loads
- Internal Soft-Start Circuit: Suppresses inrush current during startup, prevents input bus voltage sag, and enables multi-channel power supply sequential startup
- Comprehensive Protection: Built-in UVLO undervoltage lockout, cycle-by-cycle current limit, and thermal shutdown protect both chip and connected loads from undervoltage, overcurrent, and overheating damage
- Compact Packaging: DFN3030-10 surface-mount package is lead-free, halogen-free, RoHS compliant, and ideal for space-constrained PCB layouts
Typical Applications
- Industrial Control Equipment: Small PLCs, embedded motherboards, industrial sensors, and automation control modules
- Network Communication Products: Routers, switches, wireless transmission modules, and IP cameras
- Consumer Electronics: Monitors, set-top boxes, smart home equipment, and portable digital devices
- Vehicle Auxiliary Electronics: Vehicle multimedia peripherals, on-board monitoring, and control modules
- Embedded Testing Instruments: Miniature detection equipment and handheld intelligent control terminals
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