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PCA9545APW Datasheet PDF – 4-Ch, I2C/SMBus Switch

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Part Number: PCA9545APW

Marking : PD545A

Function: 4-CHANNEL I2C AND SMBus MULTIPLEXER and SMbus Switch

Package: DIP, SOIC, VQFN 20 Pin Type

Manufacturer: Texas Instruments

Pinouts:

PCA9545APW datasheet

 

Description

The PCA9545A is a quad bidirectional translating switch controlled via the I2C bus. The SCL/SDA upstream pair fans out to four downstream pairs, or channels.

Any individual SCn/SDn channel or combination of channels can be selected, determined by the contents of the programmable control register. Four interrupt inputs ( INT3– INT0), one for each of the downstream pairs, are provided. One interrupt ( INT) output acts as an AND of the four interrupt inputs.

Application Diagram :

components

Features

1. 1-of-4 Bidirectional Translating Switches

2. I2C Bus and SMBus Compatible

3. Four Active-Low Interrupt Inputs

4. Active-Low Interrupt Output

5. Active-Low Reset Input

 

PCA9545APW Datasheet PDF Download

PCA9545APW pdf


Other data sheets are available within the file:

PCA9545A, PCA9545ADGVRG4, PCA9545ADW, PCA9545ADWG4, PCA9545ADWR

5LO365R Datasheet PDF – Fairchild Power Switch (FPS)

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Part Number: 5LO365R, 5L0365R, KA5x03xx-SERIES

Function: Fairchild Power Switch(FPS)

Package: DIP 8 pin Type

Manufacturer: Fairchild Semiconductor

Images:

5LO365R datasheet

Description

Part Number 5LO365R -> Correct Part Number 5L0365R

The Fairchild Power Switch(FPS) product family is specially designed for an off-line SMPS with minimal external components. The Fairchild Power Switch(FPS) consists of a high voltage power SenseFET and a current mode PWM IC.

Included PWM controller integrates the fixed frequency oscillator, the under voltage lock-out, the leading edge blanking, the optimized gate turn-on/turn-off driver, the thermal shutdown protection, the over voltage protection, and the temperature compensated precision current sources for the loop compensation and the fault protection circuitry.

Compared to a discrete MOSFET and a PWM controller or an RCCsolution, a Fairchild Power Switch(FPS) can reduce the total component count, design size and weight and at the same time increase efficiency, productivity, and system reliability. It has a basic platform well suited for the cost effective design in either a flyback converter or a forward converter.

 

Pinout and Block diagram

components

Features

1. Precision Fixed Operating Frequency (67/50kHz)

2. Low Start-up Current(Typ. 100uA)

3. Pulse by Pulse Current Limiting

4. Over Current Protection

5. Over Voltage Protection (Min. 25V)

6. Internal Thermal Shutdown Function

7. Under Voltage Lockout

8. Internal High Voltage Sense FET

9. Auto-Restart Mode

 

Other data sheets are available within the file: 5L0365R, 5L0365RN, 5LO365RN, KA5L0365R

5LO365R Datasheet PDF Download


5LO365R pdf