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Details for LM2678SD-ADJ/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
IC STEP-DOWN REGULATOR VSON-14
LM2678SD-ADJ/NOPB image

LM2678SD-ADJ/NOPB by Texas Instruments

IC STEP-DOWN REGULATOR VSON-14
Features
120-mu03a9 DMOS Output Switch
260-kHz Fixed Frequency Internal Oscillator
3.3-V, 5-V, and 12-V Fixed Output and Adjustable (1.2 V to 37 V) Versions
50-u03bcA Standby Current When Switched OFF
Efficiency Up to 92%
Simple and Easy to Design 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
u221240 to 125u00b0C Operating Junction Temperature
Part Information
LM2678SD-ADJ/NOPB image
RoHS Compliant
Description
The LM2678 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 5-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 LM2678 are available from several manufacturers to greatly simplify the design process. The LM2678 series also has built-in thermal shutdown, current limiting, and an ON/OFF control input that can power down the regulator to a low 50μA 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:
VSON
No. of Pins:
14Pins
Output Current:
5A
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 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Accuracy %:
2%
Adjustable Output Voltage Min:
1.2V
Base Number:
2678
Frequency:
260kHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +125°C
Output Voltage:
37V
Primary Input Voltage:
40V
Supply Voltage Min:
8V
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Step Down (Buck)
Alternate Descriptions
DC-DC Converter Step-Down 8-40V LLP14 EP RS Components
Conv DC-DC Single Step Down 8V to 40V 14-Pin LLP EP T/R Avnet America
Conv DC-DC Single Step Down 8V to 40V 14-Pin LLP EP T/R Avnet Europe