See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

NHM | 14

Temp:

Q (-40 to 125)

ECO Plan:

Green (RoHS & no Sb/Br)

LM2676SDX-5.0/NOPB


SIMPLE SWITCHER® 8V to 40V, 3A Low Component Count Step-Down Regulator

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1 - 9 $ 4.77
10 - 24 $ 4.28
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250 - 499 $ 3.28
500 - 749 $ 2.83
750 - 999 $ 2.41
1000 - 9999 $ 1.80

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Texas Instruments LM2676SDX-5.0/NOPB

The LM2676 series of regulators are monolithic integrated circuits which provide all of the active functions for a step-down (buck) switching regulator capable of driving up to 3-A loads with excellent line and load regulation characteristics. High efficiency (>90%) is obtained through the use of a low ON-resistance DMOS power switch. The series consists of fixed output voltages of 3.3-V, 5-V, and 12-V and an adjustable output version.

The SIMPLE SWITCHER® concept provides for a complete design using a minimum number of external components. A high fixed frequency oscillator (260 kHz) allows the use of physically smaller sized components. A family of standard inductors for use with the LM2676 are available from several manufacturers to greatly simplify the design process.

The LM2676 series also has built-in thermal shutdown, current limiting and an ON/OFF control input that can power down the regulator to a low 50-µA quiescent current standby condition. The output voltage is ensured to a ±2% tolerance. The clock frequency is controlled to within a ±11% tolerance.

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