LM2678T-5.0 Semiconductors - ICs by Texas Instruments

SWITCHING REG 5A 5.0V 2678 TO-220

Electronic & Electrical Components>Semiconductors - ICs>Power Management
Status: Unknown
Series: -
RoHS: Unknown
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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.

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Specifications

Topology Buck (Step Down)
Input Voltage Min 8V
Input Voltage Max 40V
DC / DC Converter IC Case TO-220
No. of Pins 7Pins
Output Current 5A
Output Voltage Nom. 5V
Switching Frequency 260kHz
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
MSL -
SVHC No SVHC (27-Jun-2018)
Accuracy % 2%
Base Number 2678
Frequency 260kHz
IC Generic Number 2678
No. of Outputs 1Outputs
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +125°C
Output Current Max 5A
Output Voltage 5V
Power Supply IC Type Step-down switching regulator
Primary Input Voltage 12V
Supply Voltage Max 40V
Supply Voltage Min 8V
Voltage Regulator Type Step Down

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