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TL594CNSRG4 from TEXAS

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TL594CNSRG4

Manufacturer: TEXAS, TI

Pulse-Width-Modulation (PWM) Control Circuit 16-SO 0 to 70
Partnumber Manufacturer Quantity Availability
TL594CNSRG4 TEXAS, TI 392 In Stock

Description and Introduction

Pulse-Width-Modulation (PWM) Control Circuit 16-SO 0 to 70 The TL594CNSRG4 is a pulse-width modulation (PWM) control circuit manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on the factual information:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Category:** Integrated Circuits (ICs)  
- **Family:** PMIC - Voltage Regulators - DC DC Switching Controllers  
- **Series:** TL594  
- **Package / Case:** 16-SOIC (0.154", 3.90mm Width)  
- **Packaging:** Tape & Reel (TR)  
- **Output Type:** Transistor Driver  
- **Function:** Step-Up, Step-Down, Step-Up/Step-Down  
- **Topology:** Buck, Boost, Flyback, Push-Pull  
- **Number of Outputs:** 2  
- **Output Phases:** 1  
- **Voltage - Supply (Vcc/Vdd):** 7V ~ 40V  
- **Frequency - Switching:** Up to 300kHz  
- **Duty Cycle (Max):** 45%  
- **Synchronous Rectifier:** No  
- **Clock Sync:** No  
- **Operating Temperature:** -40°C ~ 85°C (TA)  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
The TL594CNSRG4 is a fixed-frequency PWM control circuit designed for DC-DC converter and power supply applications. It includes an on-chip oscillator, error amplifiers, a dead-time control comparator, a pulse-steering flip-flop, and output control circuits.  

### **Features:**  
- **Complete PWM Control Circuitry**  
- **On-Chip Oscillator with Master or Slave Operation**  
- **Adjustable Dead-Time Control**  
- **Internal Regulator Provides Stable 5V Reference Supply**  
- **Uncommitted Output Transistors (200mA Sink or Source Current)**  
- **Output Control for Push-Pull or Single-Ended Operation**  
- **Undervoltage Lockout (UVLO) Protection**  
- **Wide Operating Voltage Range (7V to 40V)**  

This information is based on TI's official datasheet and product documentation.

Application Scenarios & Design Considerations

Pulse-Width-Modulation (PWM) Control Circuit 16-SO 0 to 70

Alternative Part Number

  • SG3525AN --: Industry-standard PWM controller with similar voltage-mode architecture and totem-pole outputs, widely used as a direct functional substitute for TL594 in switching supplies.
  • UC3846N --: Current-mode PWM controller offering comparable regulation features and dual outputs, suitable replacement when loop compensation is adjusted.
  • MC34063AP --: Versatile DC-DC switching regulator controller covering similar supply functions, usable as a lower-cost alternative for less demanding TL594 applications.
  • SG3524N --: Classic PWM controller IC with similar function and pinout, widely used as a direct functional substitute for the TL594 in switching power supply designs.
  • UC3842AN --: Current-mode PWM controller offering comparable regulation performance; a common alternative when a different control topology is acceptable.
  • MC34063AP1 --: Versatile DC-DC switching regulator controller suitable for similar power conversion applications, available in DIP package for easy drop-in evaluation.

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