HCW, SMD IC
HC2705B POWER IC
Model Number: HC2705B
Brand: HCW
Package Type: SOP-8
Power Output: 5W
Function: AC to DC Converter
Application: Mobile Chargers, Power Adapters, LED Drivers
Input Voltage: 100V-264V
Output Voltage: 5V
Output Current: Up to 1A (based on design).
Protections: Built-in Overload, Short Circuit, and Thermal Protection
Operating Temperature Range: -45°C to 140°C
(Including Tax)
HC2705B is a highly integrated isolated adapter and charger self-powered PSR Control chip, peripheral design is extremely simple. HC2705B Fixed primary peak current, set output constant current point by transformer primary to-secondary turns ratio; by setting a FB Resistors are used to set the output constant voltage point.
- Integrated BJT , suitable for 5W The following isolation scheme
- Self-powered, optimized system cost
- Patented current drive to reduce temperature rise.
- Built-in FB Lower bias resistor
- Built-in high-precision fixed peak current, high constant current accuracy
- Output line loss compensation technology
- Output short circuit protection function
- VCC Undervoltage protection function
- Over temperature protection
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