ChongMing Group (HK) Int'l Co., Ltd
CHONGMING GROUP (HK) INT'L CO., LTD.
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Description
The TL494 device incorporates all the functions required in the construction of a pulse-widthmodulation (PWM) control circuit on a single chip. Designed primarily for power-supply control, this device offers the flexibility to tailor the power-supply control circuitry to a specific application.
Features
• Complete PWM Power-Control Circuitry
• Uncommitted Outputs for 200-mA Sink or Source Current
• Output Control Selects Single-Ended or Push-Pull Operation
• Internal Circuitry Prohibits Double Pulse at Either Output
• Variable Dead Time Provides Control Over Total Range
• Internal Regulator Provides a Stable 5-V Reference Supply With 5% Tolerance
• Circuit Architecture Allows Easy Synchronization
Applications
• Desktop PCs
• Microwave Ovens
• Power Supplies: AC/DC, Isolated, With PFC, > 90 W
• Server PSUs
• Solar Micro-Inverters
• Washing Machines: Low-End and High-End
• E-Bikes
• Power Supplies: AC/DC, Isolated, No PFC, < 90 W
• Power: Telecom/Server AC/DC Supplies: Dual Controller: Analog
• Smoke Detectors
• Solar Power Inverters
TL494 Device Information
SOIC (16) 9.90 mm × 3.91 mm
PDIP (16) 19.30 mm × 6.35 mm
SOP (16) 10.30 mm × 5.30 mm
TSSOP (16) 5.00 mm × 4.40 mm