Our advantages

Chinese manufacturing processes have undergone years of iteration, resulting in mature and reliable technologies. Many international corporations opt for production outsourcing in China.  As an electronic components manufacturer in China, our products can fully replace those of major international brands in 99% of applications without the need for testing verification. Our products boast high consistency in quality, reasonable pricing, ample inventory, flexible supply, short lead times, and professional after-sales service. 

Function Description
The SL4275 is a monolithically integrated low-dropout fixed voltage regulator in a 5-pin TO package. Input voltages up to 55V are regulated to an output voltage VQ of 5.0V. The  chip can drive 450mA load and has short circuit protection and over temperature protection. When the output voltage VQ is lower than the typical value of 4.65V, the RQ pin of the chip will generate a low-level reset signal, and the reset delay time can be set by the D pin delay  capacitor.

External component information
The SL4275 requires an input capacitor CI to compensate for trace effects. In order to ensure the stability of the regulation circuit, the output capacitor CQis necessary. Output  capacitors with CQ≥ 22uF and ESR ≤ 5Ω guarantee stability over the operating temperature range.

Circuit description
The control op amp compares the reference voltage with a voltage proportional to the output voltage and drives the gate ofthe series MOS transistor through a buffer. In addition, a current-limiting control unit for the load current prevents oversaturation of the power components. The chip also integrates many internal circuits foroverload,over-temperature, and other protections.

Features
● Rated output voltage 5V, accuracy range ±2%
● Ultra-low power consumption: 80uA
● Power-on and Brown-out Reset
● Low drop
● Short circuit protection
● RoHS

Applications

● Automotive Electronics: Providing stable voltage for microcontrollers, sensors, and actuators in automotive systems.

● Industrial Control: Powering control circuits, sensors, and communication modules in industrial automation.

● Consumer Electronics: Ensuring steady voltage supply in battery-powered devices and charging circuits.

● Telecommunications: Maintaining constant voltage levels in network equipment and communication devices.