ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 14.8V
Analog IC - Other Type:
DUAL SWITCHING CONTROLLER
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
18.5 V
Input Voltage-Min:
3.3 V
Input Voltage-Nom:
12 V
JESD-30 Code:
S-XQCC-N32
JESD-609 Code:
e3
Length:
5 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Outputs:
2
Number of Terminals:
32
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
20 A
Output Voltage-Max:
15 V
Output Voltage-Min:
0.6 V
Package Body Material:
UNSPECIFIED
Package Code:
HVQCCN
Package Shape:
SQUARE
Package Style:
CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
0.8 mm
Supply Current-Max (Isup):
5 mA
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
1500 kHz
Technology:
BICMOS
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
QUAD
Time@Peak Reflow Temperature-Max (s):
30
Width:
5 mm
LM3000SQ/NOPB Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general high-frequency PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and using bypass capacitors to reduce noise and ringing.
To ensure stability, follow the datasheet's guidelines for output capacitance, input resistance, and feedback network design. Additionally, use a compensation capacitor (Ccomp) to stabilize the loop, and consider adding a snubber network to reduce ringing.
The maximum input voltage is not explicitly stated in the datasheet, but it's generally recommended to keep the input voltage within the specified operating range (2.7V to 5.5V) to ensure reliable operation and prevent damage to the device.
The LM3000SQ is rated for operation up to 125°C, but it's essential to consider the device's thermal characteristics, such as junction temperature and thermal resistance, to ensure reliable operation in high-temperature environments.
Use a combination of visual inspection, measurement tools (e.g., oscilloscope, multimeter), and simulation tools (e.g., SPICE) to identify the root cause of the issue. Check for proper PCB layout, component selection, and soldering quality, and consult the datasheet and application notes for guidance.
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LM3000SQ/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.
