(China (Mainland))
Product Summary
The TL2575HV-05IKV is a simple step-down switching voltage regulator. The TL2575HV-05IKV 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 (HV version) and available in fixed output voltages of 3.3 V, 5 V, 12 V, 15 V, or an adjustable-output version, the TL2575HV-05IKV has an integrated switch capable of delivering 1 A of load current, with excellent line and load regulation. The device also offers internal frequency compensation, a fixed-frequency oscillator, cycle-by-cycle current limiting, and thermal shutdown. The applications of the TL2575HV-05IKV include Simple High-Efficiency Step-Down (Buck) Regulators, Pre-Regulators for Linear Regulators, On-Card Switching Regulators, Positive-to-Negative Converters (Buck-Boost).
Parametrics
TL2575HV-05IKV absolute maximum ratings: (1)VIN Supply voltage, TL2575HV: 60 V; (2)ON/OFF input voltage range: -0.3 to VIN V; (3)Output voltage to GND (steady state): -1 V; (4)TJ, Maximum junction temperature: 150℃; (5)Tstg, Storage temperature range: -65 to 150℃.
Features
TL2575HV-05IKV features: (1)Fixed 3.3-V, 5-V, 12-V, and 15-V Options With ±5% Regulation (Max) Over Line, Load, and Temperature Conditions; (2)Adjustable Option With a Range of 1.23 V to 37 V (57 V for HV Version) and ±4% Regulation (Max) Over Line, Load, and Temperature Conditions; (3)Specified 1-A Output Current; (4)Wide Input Voltage Range 4.75 V to 40 V (60 V for HV Version); (5)Require Only Four External Components (Fixed Versions) and Use Readily Available Standard Inductors; (6)52-kHz (Typ) Fixed-Frequency Internal Oscillator; (7)TTL Shutdown Capability With 50-mA (Typ) Standby Current; (8)High Efficiency as High as 88% (Typ); (9)Thermal Shutdown and Current-Limit Protection With Cycle-by-Cycle Current Limiting.
Diagrams
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 TL2575HV-05IKV |
Texas Instruments |
DC/DC Switching Regulators 1-A Step-Down Vltge |
Data Sheet |
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