TL494C
PWM control IC with dual error amplifiers for efficient switching power supply designs
- メーカー
- Texas Instruments
- 製品カテゴリ
- 電圧レギュレータ・電圧コントローラ
- パッケージ
- SOP-16
- 在庫
- 1,500 pcs
- 供給状況
- 現在の数量は確認が必要です。
製品属性
| メーカー | Texas Instruments |
|---|---|
| 製品カテゴリ | 電圧レギュレータ・電圧コントローラ |
| Applications | Switching Power Supplies, DC-DC Converters, Inverters, Battery Chargers, Motor Control |
| Control Mode | Voltage Mode PWM |
| Dead-Time Control | Adjustable |
| Duty Cycle | 0% to 45% per Output (90% Single-Ended) |
| Error Amplifiers | 2 Integrated |
| Mounting Type | Through Hole / Surface Mount |
| Operating Temperature Range | 0°C to +70°C |
| Oscillator Frequency | Up to 300kHz |
| Output Configuration | Push-Pull or Single-Ended |
| Output Current | 200mA Source or Sink |
| Output Transistors | Uncommitted NPN Outputs |
| Package Type | PDIP-16 / SOIC-16 / SOP-16 / TSSOP-16 |
| Packaging | Tube / Tape & Reel |
| Part Number | TL494C |
| Product Type | Pulse Width Modulation (PWM) Control Circuit |
| Reference Output Current | 10mA max |
| Reference Voltage | 5V ±1% Typical |
| RoHS Compliance | Yes |
| Supply Voltage Range | 7V to 40V |
| Undervoltage Lockout | Internal Startup Circuit |
| データシート | データシートを依頼 |
調達概要
TL494C の主要な供給・購買情報です。
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TL494C の詳細説明
Product Overview
TL494C is a Texas Instruments PWM (Pulse Width Modulation) controller IC designed for switching power supply and power conversion applications. The device integrates all essential functions required for PWM control circuits, including two error amplifiers, an adjustable oscillator, dead-time control comparator, pulse-steering flip-flop, 5V reference regulator and output control circuits. With flexible single-ended or push-pull operation modes and 200mA output drive capability, TL494C is widely used in SMPS, DC-DC converters, inverters, battery chargers and power management systems.
Key Features
Manufacturer: Texas Instruments
Part Number: TL494C
Device Type: PWM Controller IC
Product Category: Switching Power Supply Controller
Control Mode: Voltage Mode PWM Control
Topology Support: Push-pull and single-ended operation
Operating Voltage Range: 7V to 40V
Reference Voltage Output: 5V ±5%
Output Current Capability: 200mA source/sink current
Oscillator Frequency: Up to 300kHz
Duty Cycle Range: Adjustable up to approximately 45%
Error Amplifiers: Two integrated error amplifiers
Dead-Time Control: Adjustable dead-time control circuit
Soft Switching Support: Integrated PWM control functions
Internal Oscillator: Adjustable timing control
Output Control: Selectable single-ended or push-pull mode
Synchronization: External synchronization capability
Protection Function: Pulse-by-pulse limiting through control circuitry
Temperature Range: 0°C to +70°C
Package Type: DIP-16 / SOIC-16 options
Mounting Type: Through-hole or surface mount
Application: Power supply regulation and conversion
Typical Applications: ATX power supplies, DC-DC converters, inverters, battery chargers and motor controllers
Technology: Bipolar analog PWM controller
Lifecycle Status: Legacy but widely used PWM controller
Ordering / Packaging Note: Verify suffix, package type, date code and manufacturer marking before procurement.
Applications
TL494C is mainly used in switch-mode power supply and power conversion designs requiring stable PWM control. Typical applications include computer power supplies, DC-DC converters, UPS systems, solar inverters, battery chargers, industrial power supplies and motor control circuits.
Quality & Sourcing
Antrex Electronics can support TL494C sourcing with stock verification, RFQ quotation, manufacturer confirmation, package inspection, date code review and shipment arrangement. As a classic PWM controller IC, TL494C remains widely used for maintenance, replacement and legacy power supply designs.
Quality support can include marking inspection, visual inspection, electrical testing coordination and third-party verification when required. OEM power supply manufacturers, repair centers, industrial equipment suppliers and electronic component buyers are welcome to submit sourcing requests for TL494C and other power management ICs.
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