Datasheet Texas Instruments TL2575HV-33QKTTRQ1 — Datenblatt

TL2575HV-33-Q1
TL2575HV-05-Q1
www.ti.com SLVSAH9 – SEPTEMBER 2010 1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
Check for Samples: TL2575HV-33-Q1, TL2575HV-05-Q1 FEATURES 1 Fixed 3.3-V and 5-V Options With В±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 Linear Regulators
On-Card Switching Regulators
Positive-to-Negative Converters (Buck-Boost) DESCRIPTION/ORDERING INFORMATION …