LM2670SX-ADJ/NOPB

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Details for Texas Instruments

LM2670SX-ADJ/NOPB

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync
Buy Directly from Texas Instruments (4350 in Stock)
$1.8500 per unit
Series Information for LM2670SX-ADJ/NOPB - Texas Instruments

Features

  • feature
    150-mu03a9 DMOS Output Switch
  • feature
    260-kHz Fixed Frequency Internal Oscillator
  • feature
    3.3-V, 5-V, 12-V Fixed Output and Adjustable (1.2 V to 37 V) Versions
  • feature
    50-u00b5A Standby Current When Switched OFF
  • feature
    Efficiency Up to 94%
  • feature
    External Sync Clock Capability (280 kHz to 400 kHz)
  • feature
    Simple and Easy to Design With (Using Off-the- Shelf External Components)
  • feature
    Wide Input Voltage Range: 8 V to 40 V
  • feature
    u00b12% Maximum Output Tolerance Over Full Line and Load Conditions
  • feature
    u201340 to 125u00b0C Operating Junction Temperature

Description

DC/DC CONV BUCK 260KHZ TO-263-7
The LM2670 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 output version. The SIMPLE SWITCHER® concept provides for a complete design using a minimum number of external components. The switching clock frequency can be provided by an internal fixed frequency oscillator (260 kHz) or from an externally provided clock in the range of 280 kHz to 400 kHz which allows the use of physically smaller sized components. A family of standard inductors for use with the LM2670 are available from several manufacturers to greatly simplify the design process. The external sync clock provides direct and precise control of the output ripple frequency for consistent filtering or frequency spectrum positioning. The LM2670 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.

Specifications

Topology:
Buck (Step Down)
Input Voltage Min:
8V
Input Voltage Max:
40V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
TO-263
No. of Pins:
7Pins
Output Current:
3A
Output Voltage Min:
1.2V
Output Voltage Max:
37V
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

Avnet America

Conv DC-DC Single Step Down 8V to 40V 8-Pin(7+Tab) TO-263 T/R

Avnet America product

Avnet Europe

Conv DC-DC Single Step Down 8V to 40V 8-Pin(7+Tab) TO-263 T/R

Avnet Europe product

Texas Instruments

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync

Texas Instruments product

Conrad

Integrated circuits from leading manufacturers. Please read our extensive documentation which is free to download.

Conrad product