Product Summary

The LM2576T-5 is a step-down voltage regulator, provides all the active functions for a step-down(buck) voltage regulator. This device features a 5V out-put capable of driving a 3A load with excellent line and load regulation.The applications of the LM2576T-5 include simple high-efficiency step-down (buck) regulator, efficient pre-regulator for linear regulators, on-card switching regulators, positive to negative converter (inverting, buck-boost), isolated flyback converter using minimum number of external components, negative boost converter.

Parametrics

LM2576T-5 absolute maximum ratings: (1)Maximum supply voltage: 45V; (2)ON/OFF Pin input voltage: -0.3V≤V≤+40V; (3)Output voltage to ground(steady state): -1V; (4)Power Disspation: internally limited; (5)Storage temperature range: -65℃ to +150℃.

Features

LM2576T-5 features: (1)5V output, ± 3% max over line and load conditions; (2)Guaranteed 3A output current; (3)Wide input voltage range, 7V to 40V; (4)Requries only 4 external components; (5)52kHz fixed frequency inrernal oscailltor; (6)Low power standby mode, IQ typically <200μA; (7)80% efficiency; (8)Uses readily available standard inductors; (9)Thermal shutdown and current limit protection; (10)100% electrical thermal limit burn-in.

Diagrams

LM2576T-5 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LM2576T-5.0
LM2576T-5.0

National Semiconductor (TI)

Switching Converters, Regulators & Controllers

Data Sheet

0-1: $1.82
1-25: $1.48
25-100: $1.33
100-250: $1.21
LM2576T-5.0/LB03
LM2576T-5.0/LB03

National Semiconductor (TI)

Switching Converters, Regulators & Controllers

Data Sheet

0-315: $1.12
315-540: $1.00
540-1035: $0.85
1035-2520: $0.80
LM2576T-5.0/NOPB
LM2576T-5.0/NOPB

National Semiconductor (TI)

Switching Converters, Regulators & Controllers 3A STEP-DOWN VLTG REG

Data Sheet

0-1: $1.70
1-25: $1.36
25-100: $1.24
100-250: $1.12
LM2576T-5.0/LF03
LM2576T-5.0/LF03

National Semiconductor (TI)

Switching Converters, Regulators & Controllers

Data Sheet

0-1: $1.70
1-25: $1.36
25-100: $1.24
100-250: $1.12
LM2576T-5.0/LF02
LM2576T-5.0/LF02

National Semiconductor (TI)

Switching Converters, Regulators & Controllers

Data Sheet

0-315: $1.12
315-540: $1.00
540-1035: $0.85
1035-2520: $0.80