Product Summary

The LM2575S-15/NOPB is a High Efficiency 1A Step-Down Voltage Regulator. It provides all the active functions for a step-down(buck) switching regulator, capable of driving a 1A load with excellent line and load regulation. The LM2575S-15/NOPB is available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version. The applications of the LM2575S-15/NOPB are Simple high-efficiency step-down (buck) regulator, Efficient pre-regulator for linear regulators, On-card switching regulators, Positive to negative converter (Buck-Boost).

Parametrics

LM2575S-15/NOPB absolute maximum ratings: (1)Maximum Supply Voltage:45V; (2)ON /OFF Pin Input Voltage:-0.3V ≤ V ≤ +VIN; (3)Output Voltage to Ground (Steady State):-1V; (4)Power Dissipation:Internally Limited; (5)Storage Temperature Range:-65℃ to +150℃; (6)Maximum Junction Temperature:150℃; (7)Minimum ESD Rating(C = 100 pF, R = 1.5 kΩ):2 kV; (8)Lead Temperature(Soldering, 10 sec.):260℃.

Features

LM2575S-15/NOPB features: (1)3.3V, 5V, 12V, 15V, and adjustable output versions; (2)Adjustable version output voltage range, 1.23V to 37V (57V for HV version) ±4% max over line and load conditions; (3)Guaranteed 1A output current; (4)Wide input voltage range, 40V up to 60V for HV version; (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)P+ Product Enhancement tested.

Diagrams

LM2575S-15/NOPB block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
LM2575S-15/NOPB
LM2575S-15/NOPB
National Semiconductor (TI)
Switching Converters, Regulators & Controllers
Data Sheet
0-1: $1.78
1-25: $1.43
25-100: $1.30
100-250: $1.04
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
LM25085AMME/NOPB
LM25085AMME/NOPB
National Semiconductor (TI)
DC/DC Switching Controllers
Data Sheet
0-1: $1.40
1-25: $1.13
25-100: $1.01
100-250: $0.90
LM25085AMMX/NOPB
LM25085AMMX/NOPB
National Semiconductor (TI)
DC/DC Switching Controllers
Data Sheet
0-2600: $0.61
2600-3500: $0.61
3500-5000: $0.59
5000-10000: $0.56
LM25085AMYEEVAL/NOPB
LM25085AMYEEVAL/NOPB
National Semiconductor (TI)
Power Management IC Development Tools LM25085A Eval Mod
Data Sheet
0-1: $58.63
LM25118MH/NOPB
LM25118MH/NOPB
National Semiconductor (TI)
DC/DC Switching Controllers Wide Vltg Range Buck Boost Cntrlr
Data Sheet
0-1: $2.70
1-10: $2.42
10-25: $2.16
25-50: $2.03
LM25119PSQE/NOPB
LM25119PSQE/NOPB
National Semiconductor (TI)
DC/DC Switching Controllers
Data Sheet
0-1: $3.91
1-25: $3.21
25-100: $2.89
100-250: $2.66
LM25118MHE/NOPB
LM25118MHE/NOPB
National Semiconductor (TI)
DC/DC Switching Controllers Wide Vltg Range Buck Boost Cntrlr
Data Sheet
0-1: $2.70
1-10: $2.42
10-25: $2.16
25-50: $2.03