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TL2575

Features: · Fixed 3.3-V, 5-V, 12-V, and 15-V Options With ±5% Regulation (Max) Over Line, Load, and Temperature Conditions· Adjustable Option With a Range of 1.23 V to 37 V (57 V for HV Version) and ±4%Regulation (Max) Over Line, Load, andTemperature Conditions· Specified 1-A Output Current· Wide ...

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SeekIC No. : 004520107 Detail

TL2575: Features: · Fixed 3.3-V, 5-V, 12-V, and 15-V Options With ±5% Regulation (Max) Over Line, Load, and Temperature Conditions· Adjustable Option With a Range of 1.23 V to 37 V (57 V for HV Version) and...

TL2575 Data Sheet

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Part Number:
TL2575
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/22

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Product Details

Description



Features:

· Fixed 3.3-V, 5-V, 12-V, and 15-V Options With ±5% Regulation (Max) Over Line, Load, and Temperature Conditions
· 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
· Specified 1-A Output Current
· Wide Input Voltage Range...4.75 V to 40 V (60 V for HV Version)
· 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 Efficiency¼as High as 88% (Typ)
· Thermal Shutdown and Current-Limit
  Protection With Cycle-by-Cycle Current Limiting


Application

· Simple High-Efficiency Step-Down (Buck) Regulators
· Pre-Regulators for Linear Regulators
· On-Card Switching Regulators
· Positive-to-Negative Converters (Buck-Boost)


Pinout

Connection Diagram


Specifications

  MIN MAX UNIT
VIN         Supply voltage TL2575HV                  60 V
TL2575                  42
              ON/OFF input voltage range -0.3         VIN V
              Output voltage to GND (steady state)                  -1 V
TJ           Maximum junction temperature                150
Tstg       Storage temperature range -65          150

(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.


Description

The TL2575 and TL2575HV 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 TL2575 and TL2575HV have 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. In addition, a manual shutdown s available via an external ON/OFF pin.

The TL2575 and TL2575HV represent superior alternatives to popular three-terminal linear regulators. Due to their high efficiency, the devices significantly reduce the size of the heatsink and, in many cases, no heatsink is required. Optimized for use with standard series of inductors available from several different manufacturers, the TL2575 and TL2575HV greatly simplify the design of switch-mode power supplies by requiring a minimal addition of only four to six external components for operation.

The TL2575 and TL2575HV are characterized for operation over the virtual junction temperature range of 40°C to 125°C.




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