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Details for LM2576HVS-ADJ by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
IC SWITCHING REG 3A ADJ SMD 2576
LM2576HVS-ADJ image

LM2576HVS-ADJ by Texas Instruments

IC SWITCHING REG 3A ADJ SMD 2576
Features
3.3-V, 5-V, 12-V, 15-V, and Adjustable Output Versions
52-kHz Fixed-Frequency Internal Oscillator
Adjustable Version Output Voltage Range,1.23 V to 37 V (57 V for HV Version) u00b14% Maximum Over Line and Load Conditions
High Efficiency
Requires Only 4 External Components
Specified 3-A Output Current
TTL-Shutdown Capability, Low-Power Standby Mode
Thermal Shutdown and Current Limit Protection
Uses Readily Available Standard Inductors
Wide Input Voltage Range: 40 V Up to 60 V for HV Version
Part Information
LM2576HVS-ADJ image
RoHS Compliant
Description
The LM2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving 3-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, 15 V, and an adjustable output version. Requiring a minimum number of external components, these regulators are simple to use and include fault protection and a fixed-frequency oscillator. The LM2576 series offers a high-efficiency replacement for popular three-terminal linear regulators. It substantially reduces the size of the heat sink, and in some cases no heat sink is required. 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. Other features include a ±4% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring 50-μA (typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault conditions.
Specifications
Topology:
Buck (Step Down)
Input Voltage Min:
4V
Input Voltage Max:
60V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
TO-263
No. of Pins:
5Pins
Output Current:
3A
Output Voltage Min:
1.23V
Output Voltage Max:
57V
Switching Frequency:
52kHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Accuracy %:
4%
Adjustable Output Voltage Min:
1.285V
Base Number:
2576
Frequency:
52kHz
IC Generic Number:
2576
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +125°C
Output Current Max:
3A
Output Voltage:
57V
Power Supply IC Type:
Step-down switching regulator
Primary Input Voltage:
60V
Supply Voltage Min:
4V
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Switching Step Down (Buck) Inverting
Alternate Descriptions
DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4V-60Vin, 1.23V-57Vout, 3Aout, TO-263-5 RoHS Compliant: Yes Newark Electronics
Conv DC-DC Single Inv/Step Down 4V to 60V 6-Pin(5+Tab) TO-263 Rail Avnet Europe