TL494 Pulse Width Modulation (PWM) Control
The TL494 is a complete PWM control circuit for building flexible and efficient switch-mode power supplies, DC-DC converters, and inverters on a single chip.
10.00 EGP
Buy NowTL494 Pulse Width Modulation (PWM) Control
The TL494 is a comprehensive pulse-width-modulation (PWM) control circuit integrated onto a single chip, offering a flexible and reliable solution for designing switch-mode power supplies. Primarily intended for power-supply control, this versatile IC provides all the necessary functions to construct a PWM control circuit, allowing designers to tailor power supply systems to specific application needs.
Features
- Complete PWM Power-Control Circuitry
- Dual Error Amplifiers
- On-Chip Oscillator
- Adjustable Dead-Time Control
- Uncommitted Outputs
- Selectable Output Control
- Internal 5V Reference
- Undervoltage Lockout
- Easy Synchronization
Specifications
| Specification | Value |
|---|---|
| Supply Voltage (Vcc) | 7V to 40V |
| Switching Frequency | Up to 300 kHz |
| Maximum Duty Cycle (Each Output) | 45% |
| Output Voltage | Up to 40V |
| Output Current (Sink or Source) | 200 mA |
| Number of Outputs | 2 |
| Internal Reference Voltage | 5V (±5% tolerance) |
| Operating Temperature Range | 0°C to 70°C (TL494C) / -40°C to 85°C (TL494I) |
Applications
- Desktop PCs and Server PSUs
- DC-DC Converters
- Solar Power Inverters and Micro-Inverters
- Consumer Electronics
- E-Bikes
- Smoke Detectors
- Telecom and Server AC/DC Supplies
DataSheet
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