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Details for LM22678TJE-ADJ/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
LM22678TJE-ADJ/NOPB
Buy Directly from Texas Instruments (9570 in stock) $2.4800
IC STEP-DOWN REGULATOR TO-263-7 REEL
LM22678TJE-ADJ/NOPB image

LM22678TJE-ADJ/NOPB by Texas Instruments

IC STEP-DOWN REGULATOR TO-263-7 REEL
Features
100-mu2126 N-Channel MOSFET
Fully WEBENCHu00ae Enabled
Integrated Boot-Strap Diode
Integrated Soft-Start
Internally Compensated Voltage Mode Control
LM22678-Q1 is an Automotive-Grade Product that is AEC-Q100 Grade 1 Qualified (u201340u00b0C to +125u00b0C Operating Junction Temperature)
Output Voltage Options: -ADJ (Outputs as Low as 1.285 V) -5.0 (Output Fixed to 5 V)
PFM (Exposed Pad) Package
Precision Enable Pin
Stable With Low ESR Ceramic Capacitors
Switching Frequency of 500 kHz
Wide Input Voltage Range: 4.5 V to 42 V
u00b11.5% Feedback Reference Accuracy
u201340u00b0C to 125u00b0C Operating Junction Temperature Range
Part Information
LM22678TJE-ADJ/NOPB image
RoHS Compliant
Description
The LM22678 switching regulator provides all of the functions necessary to implement an efficient highvoltage step-down (buck) regulator using a minimum of external components. This easy-to-use regulator incorporates a 42-V N-channel MOSFET switch that can provide up to 5 A of load current. Excellent line and load regulation along with high efficiency (> 90%) are featured. Voltage mode control offers short minimum on-time, allowing the widest ratio between input and output voltages. Internal loop compensation means that the user is free from the tedious task of calculating the loop compensation components. Fixed 5-V output and adjustable output voltage options are available. A switching frequency of 500 kHz allows for small external components and good transient response. A precision enable input allows simplification of regulator control and system power sequencing. In shutdown mode the regulator draws only 25 µA (typical). Built-in soft-start (500 µs, typical) saves external components. The LM22678 device also has built-in thermal shutdown, and current limiting to protect against accidental overloads. The LM22678 device is a member of Texas Instruments' SIMPLE SWITCHER® family. The SIMPLE SWITCHER concept provides for an easy-touse complete design using a minimum number of external components and the TI WEBENCH design tool. TI's WEBENCH tool includes features such as external component calculation, electrical simulation, thermal simulation, and Build-It boards for easy design-in.
Specifications
Topology:
Buck (Step Down)
Input Voltage Min:
4.5V
Input Voltage Max:
42V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
TO-263
No. of Pins:
7Pins
Output Current:
5A
Output Voltage Min:
1.285V
Output Voltage Max:
37V
Switching Frequency:
500kHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Adjustable Output Voltage Min:
1.285V
Base Number:
22678
Frequency:
500kHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +125°C
Primary Input Voltage:
42V
Supply Voltage Min:
4.7V
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Step Down (Buck)
Alternate Descriptions
SIMPLE SWITCHER 5.0A,LM22678TJE-ADJ RS Components
STEP-DOWN REGULATOR, TO-263-7; Topology:Buck (Step Down); Input Voltage Min:4.5V; Input Voltage Max:42V; No. of Outputs:1Outputs; DC / DC Converter IC Case:TO-263 (D2PAK); No. of Pins:7Pins; Output Current:5A; Output Voltage Max:37V RoHS Compliant: Yes Newark Electronics
Conv DC-DC Single Inv/Step Down 4.5V to 42V 7-Pin Thin TO-263 EP T/R Avnet America
Conv DC-DC Single Inv/Step Down 4.5V to 42V 7-Pin Thin TO-263 EP T/R Avnet Europe
SIMPLE SWITCHER® 4.5V to 42V, 5A Step-Down Voltage Regulator with Precision Enable Texas Instruments
Switching Regulator IC [Texas Instruments] LM22678TJE-ADJ/NOPB Switching Regulator IC Distrelec