LM2575T 12 Volts Fixed Voltage Regulator
- Stock: 10 InStock
- SKU: 0796 | DAA101
53.10 (inc GST)
Rs.45.00 + GST
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LM2575T-12V Step-Down Switching Regulator
LM2575T 12 Volts fixed step down switching voltage regulator
The LM2575 series of regulators are monolithic integrated circuits ideally suited for easy and convenient design of a step−down switching regulator (buck converter). All circuits of this series are capable of driving a 1.0 A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5.0 V, 12 V, 15 V, and an adjustable output version. These regulators were designed to minimize the number of external components to simplify the power supply design. Standard series of inductors optimized for use with the LM2575 are offered by several different inductor manufacturers.
Since the LM2575T 12 Volts converter is a switch−mode power supply, its efficiency is significantly higher in comparison with popular three−terminal linear regulators, especially with higher input voltages. In many cases, the power dissipated by the LM2575 regulator is so low, that no heatsink is required or its size could be reduced dramatically. The LM2575T features include a guaranteed ±4% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency (±2% over 0°C to 125°C). External shutdown is included, featuring 80 uA typical standby current. The output switch includes cycle−by−cycle current limiting, as well as thermal shutdown for full protection under fault conditions.
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Features of LM2575T 12 Volts Voltage Regulator
Output Voltage (Vin = 25 V, ILoad = 0.2 A, TJ = 25°C) Vout Min: 11.76 Volts ; Max:12.24 Volts
Output Voltage (15.0 V ≤ Vin ≤ 40 V, 0.2 A ≤ ILoad ≤ 1.0 A) Vout
TJ = 25°C 11.52 to 12.48 V
TJ = −40 to +125°C 11.4 to 12.6V
Efficiency (Vin = 15 V, ILoad = 1.0 A) η: 88 %
Guaranteed 1.0 A Output Current
Wide Input Voltage Range : 4.75 V to 40 V
Requires Only 4 External Components
52 kHz Fixed Frequency Internal Oscillator
TTL Shutdown Capability, Low Power Standby Mode
Uses Readily Available Standard Inductors
Thermal Shutdown and Current Limit Protection
Moisture Sensitivity Level (MSL) Equals 1
Pb−Free Packages are Available.