Allicdata Part #: | 296-37365-2-ND |
Manufacturer Part#: |
LM2587SX-12/NOPB |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG MULTI CONFIG 12V 5A TO263Boost, Flyback, Fo... |
More Detail: | N/A |
DataSheet: | LM2587SX-12/NOPB Datasheet/PDF |
Quantity: | 13821 |
Series: | SIMPLE SWITCHER® |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Function: | Step-Up, Step-Up/Step-Down |
Output Configuration: | Positive |
Topology: | Boost, Flyback, Forward Converter |
Output Type: | Fixed |
Number of Outputs: | 1 |
Voltage - Input (Min): | 4V |
Voltage - Input (Max): | 40V |
Voltage - Output (Min/Fixed): | 12V |
Voltage - Output (Max): | -- |
Current - Output: | 5A (Switch) |
Frequency - Switching: | 100kHz |
Synchronous Rectifier: | No |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
Supplier Device Package: | DDPAK/TO-263-5 |
Base Part Number: | LM2587 |
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 LM2587SX-12/NOPB series of regulators are monolithic integrated circuits specifically designed for flyback, step-up (boost), and forward converter applications. The device is available in 4 different output voltages versions: 3.3 V, 5 V, 12 V, and adjustable. Requiring a minimum number of external components, these regulators are cost effective, and simple to use. Included in the datasheet are typical circuits of boost and flyback regulators. Also listed are selector guides for diodes and capacitors and a family of standard inductors and flyback transformers designed to work with these switching regulators. The power switch is a 5-A NPN device that can stand-off 65 V. Protecting the power switch are current and thermal limiting circuits, and an undervoltage lockout circuit. This IC contains a 100 kHz fixed-frequency internal oscillator that permits the use of small magnetics. Other features include softstart mode to reduce in-rush current during start up, current mode control for improved rejection of input voltage and output load transients and cycle-by-cycle current limiting. An output voltage tolerance of ±4%, within specified input voltages and output load conditions, is ensured for the power supply system.
2. Features
1. Requires Few External Components
2. Family of Standard Inductors and Transformers
3. NPN Output Switches 5 A, Can Stand Off 65 V
4. Wide Input Voltage Range: 4 V to 40 V
5. Current-mode Operation for Improved Transient Response, Line Regulation, and Current Limit
6. 100-kHz Switching Frequency
7. Internal Soft-Start Function Reduces In-rush Current During Start-up
8. Output Transistor Protected by Current Limit, Undervoltage Lockout, and Thermal Shutdown
9. System Output Voltage Tolerance of ±4% Maximum Over Line and Load Conditions
10. Create a Custom Design Using the LM2587 With the WEBENCH® Power Designer
3. Applications
1. Flyback Regulator
2. Multiple-Output Regulator
3. Simple Boost Regulator
4. Forward Converter
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