1.0 A, 52 kHz Buck Switching Regulator, 15 V
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Технические характеристики

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Корпус TO2636
Тип преобразователя
Входное напряжение
Выходное напряжение
Максимальный выходной ток
Кол-во выходов
Частота преобразования
Максимальная скважность преобразования
Встроенные возможности
Примечание 1 A, 15 V, 52 kHz Buck PWM Switching Regulator
Рабочая температура
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Файлы 1

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LM2575, NCV2575 1.0 A, Adjustable Output Voltage, Step-Down Switching 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 LM2575 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 LM2575 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 mA typical standby current. The output switch includes cycle−by−cycle current limiting, as well as thermal shutdown for full protection under fault conditions. http://onsemi.com TO−220 TV SUFFIX CASE 314B 1 5 Heatsink surface connected to Pin 3 TO−220 T SUFFIX CASE 314D 1 5 Pin Features • 3.3 V, 5.0 V, 12 V, 15 V, and Adjustable Output Versions • Adjustable Version Output Voltage Range of 1.23 V to 37 V ±4% • • • • • • • • • • Maximum Over Line and Load Conditions 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 High Efficiency Uses Readily Available Standard Inductors Thermal Shutdown and Current Limit Protection Moisture Sensitivity Level (MSL) Equals 1 Pb−Free Packages are Available* Vin Output Ground Feedback ON/OFF D2PAK D2T SUFFIX CASE 936A 1 5 Heatsink surface (shown as terminal 6 in case outline drawing) is connected to Pin 3 ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 25 of this data sheet. Applications • • • • • • 1. 2. 3. 4. 5. Simple and High−Efficiency Step−Down (Buck) Regulators Efficient Pre−Regulator for Linear Regulators On−Card Switching Regulators Positive to Negative Converters (Buck−Boost) Negative Step−Up Converters Power Supply for Battery Chargers DEVICE MARKING INFORMATION See general marking information in the device marking section on page 26 of this data sheet. *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. © Semiconductor Components Industries, LLC, 2009 June, 2009 − Rev. 11 1 Publication Order Number: LM2575/D PDF
Документация на серию LM2575 

LM2575 - Adjustable Output Voltage, Step-Down Switching Regulator

Дата модификации: 09.06.2009

Размер: 492.1 Кб

28 стр.

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