LM2676T-ADJ

Electronic & Electrical Components

> Semiconductors - ICs

> Power Management

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Series Information for LM2676T-ADJ - 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
    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

SWITCHING REG 3A ADJ 2676 TO2207
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
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
TO-220
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:
-
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Accuracy %:
2%
Adjustable Output Voltage Min:
1.285V
Base Number:
2676
Frequency:
260kHz
IC Generic Number:
2676
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +125°C
Output Current Max:
3A
Output Voltage:
37V
Power Supply IC Type:
Step-down switching regulator
Primary Input Voltage:
40V
Supply Voltage Min:
8V
Voltage Regulator Type:
Switching Step Down (Buck)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 8V to 40V 7-Pin(7+Tab) TO-220 Rail

Avnet America product

Avnet Europe

Conv DC-DC Single Step Down 8V to 40V 7-Pin(7+Tab) TO-220 Rail

Avnet Europe product