SW2604 Datasheet PDF – PWM Switching Controller

Part Number : SW2604

Function : High Performance Current Mode PWM Switching Power Supply Controller

Package : DIP 8 Pin Type

Manufacturers : SAMWIN

Pinout : SW2604 Pinout

SW2604 bipolar process, the built-in anti-overload, anti-saturation circuit, to meet the green standard switching power supply controller; to improve Consistency circuit performance parameters, the internal reference voltage specially designed to improve the accuracy of the internal reference voltage. With wide power supply (85–265) design, typical output power of 12W, the maximum output power up to 15W, the peak output power of 18W. Widely used in economical switching power supply, Such as DVD, set-top boxes, fax machines, printers, LCD displays.

Features

1. Built-in anti-overload, saturation circuit, in time to prevent an overload, switch transformer saturation and output short circuit fault
2. adopt 700V voltage bipolar transistor as a switch; while taking advantage of its amplification to complete the start, and power consumption is reduced startup resistor More than 10 times
3. switch built-in, reduce costs, improve the circuit cost
4. built-in slope compensation circuit, thermal protection circuit, the slope current drive circuit
5. Built-in thermal protection circuit
6. Low start-up and operating current
7. VCC overvoltage automatically limits
8. No output power consumption less than 0.15W
9. minimal external components10. Package: DIP8

Block Diagram

SW2604 Datasheet

SW2604 Datasheet

 

Datasheet Download : [ SW2064.PDF]

BD9011 Datasheet PDF – Switching Regulator – ROHM

Part Number : BD9011

Function : Large Current External FET Controller Type Switching Regulator

Package : VQFP48C

Manufacturers : ROHM Semiconductor

Pinouts :
BD9011 datasheet

Description :

The BD9011EKN/KV is a 2-ch synchronous controller with rectification switching for enhanced power manageme It supports a wide input range, enabling low power consumption ecodesign for an array of electronics.

Features

1)  Wide input voltage range: 3.9V to 30V
2)  Precision voltage references: 0.8V±1%
3)  FET direct drive
4)  Rectification switching for increased efficiency
5)  Variable frequency: 250k to 550kHz (external synchronization to 550kHz)
6)  Built-in selected OFF latch and auto remove over current protection
7)  Built-in independent power up/power down sequencing control
8)  Make various application , step-down , step-up and step-up-down

Other data sheets within the file : BD9011EKN, BD9011KV, BD9775, BD9775FV

BD9011 Datasheet PDF