Part Number : SD6834
Function : Built-in high-voltage MOSFET current-mode PWM + PFM Controller Series
Package : SOP 8 Pin Type
Maker : Silan Microelectronics
Pinouts :
Description :
SD6834 is built for high-voltage MOSFET switching power supply external sense resistor.
The current mode PWM + PFM controller family.
The circuit is low standby power consumption, low starting current.
Block Diagram
Official Site : SD6834 information
Feature
1. Energy Star 2.0 Standard
2. Low starting current (3μA)
3. Switching frequency that varies with load can improve efficiency
4. Dithered switching frequency can reduce EMI
5. Overvoltage, primary coil overcurrent, overload, overtemperature protection
6. External peak current sampling resistor
7. Undervoltage lockout
8. Internal integrated high voltage MOSFET
9. Automatic restart
10. Peak current compensation circuit
11. Initialize peak current maximum compensation to realize soft start function
12. Hiccup mode
13. Cycle-by-cycle current limit
Others datasheet of same file : SD-6834