Allicdata Part #: | LM2576T-ADJGOS-ND |
Manufacturer Part#: |
LM2576T-ADJG |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ON Semiconductor |
Short Description: | IC REG MULT CONFIG INV ADJ TO220Buck, Boost, Buck-... |
More Detail: | N/A |
DataSheet: | LM2576T-ADJG Datasheet/PDF |
Quantity: | 34170 |
Series: | LM2576 |
Packaging: | Tube |
Part Status: | Active |
Function: | Step-Up, Step-Down, Step-Up/Step-Down |
Output Configuration: | Positive or Negative |
Topology: | Buck, Boost, Buck-Boost |
Output Type: | Adjustable |
Number of Outputs: | 1 |
Voltage - Input (Min): | 7V |
Voltage - Input (Max): | 40V |
Voltage - Output (Min/Fixed): | 1.23V |
Voltage - Output (Max): | 37V |
Current - Output: | 3A |
Frequency - Switching: | 52kHz |
Synchronous Rectifier: | No |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Mounting Type: | Through Hole |
Package / Case: | TO-220-5 |
Supplier Device Package: | TO-220-5 |
Base Part Number: | LM2576 |
Due to market price fluctuations,if you need to purchase or consult the price.You can contact us or emial to us: sales@allicdata.com
1. DESCRIPTION
The LM2576T-ADJG 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 3.0 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 LM2576T-ADJG are offered by several different inductor manufacturers. Since the LM2576T-ADJG 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 is so low that no heatsink is required or its size could be reduced dramatically. A standard series of inductors optimized for use with the LM2576 are available from several different manufacturers. This feature greatly simplifies the design of switch−mode power supplies. The LM2576T-ADJG 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 A (typical) standby current. The output switch includes cycle−by−cycle current limiting, as well as thermal shutdown for full protection under fault conditions.
2. Features
1. 3.3 V, 5.0 V, 12 V, 15 V, and Adjustable Output Versions
2. Adjustable Version Output Voltage Range, 1.23 to 37 V ±4% Maximum Over Line and Load Conditions
3. Guaranteed 3.0 A Output Current
4. Wide Input Voltage Range
5. Requires Only 4 External Components
6. 52 kHz Fixed Frequency Internal Oscillator
7. TTL Shutdown Capability, Low Power Standby Mode
8. High Efficiency
9. Uses Readily Available Standard Inductors
10. Thermal Shutdown and Current Limit Protection
11. Moisture Sensitivity Level (MSL) Equals 1
12. Pb−Free Packages are Available
3. Applications
1. Simple High−Efficiency Step−Down (Buck) Regulator
2. Efficient Pre−Regulator for Linear Regulators
3. On−Card Switching Regulators
4. Positive to Negative Converter (Buck−Boost)
5. Negative Step−Up Converters
6. Power Supply for Battery Chargers
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