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Details for LM2676T-ADJ by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
SWITCHING REG 3A ADJ 2676 TO2207
LM2676T-ADJ image

LM2676T-ADJ by Texas Instruments

SWITCHING REG 3A ADJ 2676 TO2207
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
LM2676T-ADJ 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
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
Conv DC-DC Single Step Down 8V to 40V 7-Pin(7+Tab) TO-220 Rail Avnet America
Conv DC-DC Single Step Down 8V to 40V 7-Pin(7+Tab) TO-220 Rail Avnet Europe