Description
NATIONAL SEMICONDUCTOR (LM2575T-5.0/NOPB) 1A STEP IC REG SIMPLE SWITCHER TO-220-5 ROHS
The LM2575T-5.0/NOPB is a SIMPLE SWITCHER® 1A Step-down Voltage Regulator provides all the active functions for a step-down (buck) switching regulator, capable of driving a 1A load with excellent line and load regulation. This device is available in 5V of fixed output voltage and requiring a minimum number of external components, this regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator. The LM2575 series offers a high-efficiency replacement for popular three-terminal linear regulators. It substantially reduces the size of the heat sink and in many cases no heat sink is required. A standard series of inductors optimized for use with the LM2575 are available from several different manufacturers. This feature greatly simplifies the design of switch-mode power supplies.
- Requires only 4 external components
- 52kHz Fixed frequency internal oscillator
- TTL shutdown capability
- Low power standby mode
- High efficiency
- Uses readily available standard inductors
- Thermal shutdown and current limit protection
- P+ Product enhancement tested
- Green product and no Sb/Br
Applications
Power Management
This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
Texas Instruments, LM2575T-5.0/NOPB Step-Down Switching Regulator 1A, 5 V, 5-Pin TO-220, Buck Controller
Specifications
Maximum Output Current 1A
Regulator Function Buck Controller, Inverting
Minimum Input Voltage 4 V
Maximum Input Voltage 40 V
Output Type Fixed
Mounting Type Through Hole
Number of Outputs 1
Pin Count 5
Package Type TO-220
Switching Regulator Yes
Minimum Operating Temperature -40 °C
Width 4.7mm
Efficiency 77%
Maximum Switching Frequency 58 kHz
Dimensions 10.16 x 4.7 x 8.89mm
Maximum Operating Temperature +125 °C
Height 8.89mm
Length 10.16mm
Manufacturer Part Number: LM2575T-5.0/NOPB
Manufacturer: National Semiconductor
