ALSO AVAILABLE IN PFM MODE;ADJUSTABLE OUTPUT VOLTAGE 1 TO 24V
Analog IC - Other Type:
SWITCHING REGULATOR
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
36 V
Input Voltage-Min:
3.8 V
Input Voltage-Nom:
12 V
JESD-30 Code:
R-PQCC-N12
JESD-609 Code:
e4
Length:
2 mm
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Outputs:
1
Number of Terminals:
12
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
3 A
Output Voltage-Max:
34 V
Output Voltage-Min:
1 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
HQCCN
Package Equivalence Code:
LCC12,.08X.12,20
Package Shape:
RECTANGULAR
Package Style:
CHIP CARRIER, HEAT SINK/SLUG
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
1 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
2100 kHz
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
QUAD
Time@Peak Reflow Temperature-Max (s):
30
Width:
3 mm
LMR33630BRNXR Frequently Asked Questions (FAQs)
A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the heat sink. A 2-layer or 4-layer PCB with a solid ground plane is recommended. Additionally, keeping the thermal vias small and numerous can help to reduce thermal resistance.
To ensure stability and prevent oscillations, it's essential to follow the recommended layout and component selection guidelines. This includes using a low-ESR output capacitor, a high-quality input capacitor, and a well-regulated input voltage. Additionally, the output voltage should be decoupled from the input voltage using a capacitor, and the device should be placed close to the output capacitor.
The maximum input voltage that can be applied to the LMR33630BRNXR is 42V. Exceeding this voltage can cause damage to the device. It's essential to ensure that the input voltage is within the recommended range to ensure reliable operation.
The output voltage of the LMR33630BRNXR can be calculated using the following formula: Vout = Vref x (1 + R1/R2), where Vref is the internal reference voltage (1.21V), R1 is the feedback resistor, and R2 is the divider resistor. The output voltage can be adjusted by selecting the appropriate values for R1 and R2.
The minimum input voltage required for the LMR33630BRNXR to operate is 3.5V. However, the device can operate down to 3V with reduced performance. It's essential to ensure that the input voltage is within the recommended range to ensure reliable operation.
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LMR33630BRNXR 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.
