TL2575HV-05-Q1 - Texas Instruments

TL2575HV-05-Q1 1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS

ORDERING INFORMATION The TL2575HV-33 and TL2575HV-05 greatly simplify the design of switching power supplies by conveniently providing all the active functions needed for a step-down (buck) switching regulator in an integrated circuit. Accepting a wide input voltage range of up to 60 V and available in fixed output voltages of 3.3 V or 5 V, the TL2575HV-33 a.

Features

1
• Fixed 3.3-V and 5-V Options With ±5% Regulation (Max) Over Line, Load, and Temperature Conditions
• Specified 1-A Output Current
• Wide Input Voltage Range…4.75 V to 60 V
• Require Only Four External Components (Fixed Versions) and Use Readily Available Standard Inductors
• 52-kHz (Typ) Fixed-Frequency Internal Oscillator
• TTL Shutdown Capability With 50-mA (Typ) Standby Current
• High Efficiency…as High as 88% (Typ)
• Thermal Shutdown and Current-Limit Protection With Cycle-by-Cycle Current Limiting APPLICATIONS
• Simple High-Efficiency Step-Down (Buck) Regulators
• Pre-Regulators for L.