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Details for LM2676SX-12/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC/DC CONV BUCK 260KHZ TO-263-7
LM2676SX-12/NOPB image

LM2676SX-12/NOPB by Texas Instruments

DC/DC CONV BUCK 260KHZ TO-263-7
Features
150-mu03a9 DMOS Output Switch
260-KHz Fixed Frequency Internal Oscillator
3.3-V, 5-V, 12-V Fixed Output and Adjustable (1.2 V to 37 V) Versions
50-u00b5A Standby Current When Switched OFF
Efficiency Up to 94%
Simple and Easy to Design With (Using Off-the- Shelf External Components)
Wide Input Voltage Range: 8 V to 40 V
u00b12% Maximum Output Tolerance Over Full Line and Load Conditions
u201340 to 125u00b0C Operating Junction Temperature
Part Information
LM2676SX-12/NOPB image
RoHS Compliant
Description
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 ONresistance 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.
Specifications
Topology:
Buck (Step Down)
Input Voltage Min:
8V
Input Voltage Max:
40V
DC / DC Converter IC Case:
TO-263
No. of Pins:
7Pins
Output Current:
3A
Output Voltage Nom.:
12V
Switching Frequency:
260kHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
DC/DC CONV, BUCK, 260KHZ, TO-263-7; Topology:Buck (Step Down); Input Voltage Min:8V; Input Voltage Max:40V; DC / DC Converter IC Case:TO-263; No. of Pins:7Pins; Output Current:3A; Output Voltage Nom.:12V; Switching Frequency:260kHz; RoHS Compliant: Yes Newark Electronics
Conv DC-DC Single Step Down 8V to 40V 8-Pin(7+Tab) TO-263 T/R Avnet America
Conv DC-DC Single Step Down 8V to 40V 8-Pin(7+Tab) TO-263 T/R Avnet Europe