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TDA1074A from PH

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TDA1074A

Manufacturer: PH, PHI

Dual tandem electronic potentiometer circuit

Partnumber Manufacturer Quantity Availability
TDA1074A PH, PHI 279 In Stock

Description and Introduction

Dual tandem electronic potentiometer circuit The TDA1074A is a monolithic integrated circuit manufactured by Philips (PH). It is designed for use in switch-mode power supply (SMPS) applications.  

### **Specifications:**  
- **Manufacturer:** Philips (PH)  
- **Type:** SMPS Control IC  
- **Package:** DIP-16 (Dual In-line Package)  
- **Operating Voltage Range:** Typically operates within a supply voltage range of 10V to 30V.  
- **Switching Frequency:** Adjustable, typically up to several hundred kHz.  
- **Output Drive:** Provides a high-current totem-pole output for driving power transistors.  
- **Protection Features:** Includes overvoltage protection, undervoltage lockout, and current limiting.  

### **Descriptions:**  
The TDA1074A is a control IC optimized for switch-mode power supplies, offering precise regulation and protection functions. It integrates essential control circuitry, reducing external component count and simplifying SMPS designs.  

### **Features:**  
- **PWM Control:** Pulse-width modulation for efficient power regulation.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Error Amplifier:** Provides feedback loop control for stable output voltage.  
- **Synchronization Capability:** Can be synchronized to an external clock signal.  
- **Low Standby Power Consumption:** Suitable for energy-efficient designs.  

This information is based on the original Philips datasheet for the TDA1074A.

Application Scenarios & Design Considerations

Dual tandem electronic potentiometer circuit

Alternative Part Number

  • LM1036N --: Tone/volume control IC with similar audio processing function, widely available and pin-compatible in many designs.
  • TDA1524A --: Stereo tone and volume control IC from a related Philips/NXP family, functionally comparable to the TDA1074A.
  • LM1040N --: Audio tone control IC offering similar functionality, usable as a substitute with minor circuit adjustments.
  • LM1036M --: Surface-mount variant of the LM1036 tone/volume controller, suitable as a functional substitute where package allows.

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