ALSO OPERATES IN ADJUSTABLE MODE FROM 1.3V TO 32.4
Analog IC - Other Type:
DUAL SWITCHING CONTROLLER
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
36 V
Input Voltage-Min:
4.5 V
Input Voltage-Nom:
5 V
JESD-30 Code:
R-PDSO-G28
JESD-609 Code:
e3
Length:
9.7 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Outputs:
2
Number of Terminals:
28
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
20 A
Output Voltage-Max:
34 V
Output Voltage-Min:
1.236 V
Output Voltage-Nom:
5 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
HTSSOP
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
1.1 mm
Supply Current-Max (Isup):
2 mA
Surface Mount:
YES
Switcher Configuration:
PUSH-PULL
Switching Frequency-Max:
500 kHz
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
4.4 mm
LM5642XMHX/NOPB Frequently Asked Questions (FAQs)
A good PCB layout for the LM5642XMHX/NOPB involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a separate analog and digital ground plane to reduce noise coupling.
To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. It's also recommended to add a small capacitor (e.g., 10nF) between the VIN and GND pins to improve stability.
The LM5642XMHX/NOPB is rated for operation from -40°C to 125°C. However, the device's performance and reliability may degrade at extreme temperatures. It's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance.
Yes, the LM5642XMHX/NOPB is suitable for high-reliability applications. It's manufactured using a robust process and has undergone rigorous testing to ensure its reliability. However, it's essential to follow proper design and manufacturing practices to ensure the device operates within its specified parameters.
To troubleshoot issues with the LM5642XMHX/NOPB, start by verifying the input voltage, output voltage, and current consumption. Check for any signs of overheating, and ensure that the device is properly soldered and connected. Use an oscilloscope to check for any unusual voltage or current waveforms. If the issue persists, consult the datasheet and application notes for guidance.
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LM5642XMHX/NOPB Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
