See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

NDZ | 7

Temp:

Q (-40 to 125)

ECO Plan:

Green (RoHS & no Sb/Br)

LM2599T-12/NOPB


SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features

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Qty.Price
1 - 9 $ 5.02
10 - 24 $ 4.53
25 - 99 $ 4.16
100 - 249 $ 3.73
250 - 499 $ 3.44
500 - 749 $ 3.03
750 - 999 $ 2.69
1000 - 9999 $ 2.05

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Texas Instruments LM2599T-12/NOPB

The LM2599 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 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, and an adjustable output version.

The LM2598 is a member of the LM259x family, 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 and Soft-start, error flag delay, and error flag output.

The LM2599 series operates at a switching frequency of 150 kHz, thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Available in a standard 7-pin TO-220 package with several different lead bend options, and a 7-pin TO-263 surface-mount package.

A standard series of inductors (both through-hole and surface-mount types) are available from several different manufacturers optimized for use with the LM2599 series. This feature greatly simplifies the design of switch-mode power supplies.

Other features include a ±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 80-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.

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