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LM2597M-12 Texas Instruments
Texas Instruments
Texas Instruments Incorporated (TI) is a global semiconductor powerhouse, crafts advanced analog ICs and embedded processors. Fueled by top-tier minds, TI's innovations drive tech's future, impacting 100,000+ clients.
View All Product from Texas InstrumentsThe LM2597xx series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 0.5-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version, and are packaged in an 8-pin PDIP and an 8-pin surface-mount package.
This series of switching regulators is similar to the LM2594 series, with additional supervisory and performance features added.
Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, improved line and load specifications, fixed-frequency oscillator, Shutdown/Soft-start, error flag delay, and error flag output.
The LM2597xx series operates at a switching frequency of 150-kHz, thus allowing smaller-sized filter components than what would be required with lower-frequency switching regulators. Because of its high efficiency, the copper traces on the printed-circuit board are normally the only heat sinking required.
A standard series of inductors (both through-hole and surface-mount types) are available from several different manufacturers optimized for use with the LM2597xx series. This feature greatly simplifies the design of switch-mode power supplies.
Other features include a specified ±4% tolerance on output voltage under all conditions of input voltage and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring typically 85-μA standby current. Self protection features include a two stage current limit for the output switch and an overtemperature shutdown for complete protection under fault conditions.
The LM2597HV is for use in applications requiring and input voltage up to 60 V.
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Mfr Part # | Price ($) | Quantity Available | |
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LM258QTIC OPAMP GP 2 CIRCUIT 8DFN | 0.17 |
18886
Marketplace | |
LM2596TVADJGIC REG MULT CONFG ADJ 3A TO220-5 | 1.10 |
116
Marketplace | |
LM258NIC OPAMP GP 2 CIRCUIT 8MINI DIP | Price negotiable |
46
Marketplace | |
LM258NIC OPAMP GP 2 CIRCUIT 8DIP | 0.14 |
46
Marketplace | |
LM258WYPTIC OPAMP GP 2 CIRCUIT 8TSSOP | 0.04 |
5000
Marketplace |
TYPE | DESCRIPTION | Select all |
---|---|---|
Voltage - Output (Min/Fixed) | 12V | |
Series | SIMPLE SWITCHER® | |
Package | Tube | |
Current - Output | 500mA | |
Product Status | Obsolete | |
Frequency - Switching | 150kHz | |
Function | Step-Down | |
Synchronous Rectifier | No | |
Output Configuration | Positive | |
Operating Temperature | -40°C ~ 125°C (TJ) | |
Topology | Buck | |
Mounting Type | Surface Mount | |
Output Type | Fixed | |
Package / Case | 8-SOIC (0.154", 3.90mm Width) | |
Number of Outputs | 1 | |
Supplier Device Package | 8-SOIC | |
Voltage - Input (Min) | 4.5V | |
Voltage - Input (Max) | 40V |
Texas Instruments
Texas Instruments Incorporated (TI) is a global semiconductor powerhouse, crafts advanced analog ICs and embedded processors. Fueled by top-tier minds, TI's innovations drive tech's future, impacting 100,000+ clients.
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