SUNROM ELECTRONICS

DC-DC Step Down 3A

In = 4.5V-28V / Out = 0.8V-18V(Adjustable) @ 3A - Switching Regulator

Product Code 4498

Available We dispatch same day if ordered by 1PM (excluding holidays), then courier usually takes 2-5 days.
Real Time Availability
Ready Stock: 28 nos.
Factory Leadtime for more quantity: 15 days
Quantity Pricing
Quantity :
Price (Discount%)
1-49 :
Rs.175.00/- (0%)
50-99 :
Rs.166.25/- (5%)
100-499 :
Rs.157.50/- (10%)
500-999 :
Rs.154.00/- (12%)
1000+ :
Rs.148.75/- (15%)
DC-DC Step Down 3A
Sunrom Product Code for Ordering:
4498

This DC/DC step-down voltage converter's input voltage between 4.5V and 28V into a smaller voltage between 0.8V and 18V, capable of driving a 3A load with excellent line and load regulation.

Note: Input must be >1.5V higher than output! The chip will get to high temperature protection mode when it work at a high-power conversion, without any cooling, it is able to output 3A current at 5V. But at higher output voltage, the current output capacity is lower than 3A, approx 2A.

Features

  • Wide 4.5V to 28V Operating Input Range
  • Up to 92% Efficiency
  • Programmable Switching Frequency from 100kHz to 1.5MHz
  • High-Efficiency Pulse Skipping Mode for Ceramic Capacitor Stable
  • Internally Set Current Limit without a Current Sensing Resistor
  • Cycle-by-Cycle Over Current Protection
  • Input Under Voltage Lockout

Specifications

  • Input Voltage: 4.5V-28VDC
  • Output Voltage: 0.8V-18VDC
  • Continuous Output Current: Max. 3A
  • Peek Output Current: 4A
  • Max. Efficiency: 92%
  • Output Ripple: <30mV
  • Switching Frequency: 100kHz to 1.5MHz
  • Operating Temperature: -40℃ to +85℃
  • Dimensions: 22mm*17mm*4mm(l*w*h)

 

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