ALSO OPERATES IN PFM MODE;ADJUSTABLE VOLTAGE RANGE IS 0.7 TO 3.36V
Analog IC - Other Type:
DUAL SWITCHING CONTROLLER
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
5.5 V
Input Voltage-Min:
2.8 V
Input Voltage-Nom:
3.7 V
JESD-30 Code:
S-PQCC-N28
JESD-609 Code:
e3
Length:
5 mm
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Outputs:
4
Number of Terminals:
28
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
2 A
Output Voltage-Max:
3.36 V
Output Voltage-Min:
0.7 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVQCCN
Package Shape:
SQUARE
Package Style:
CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Screening Level:
AEC-Q100
Seated Height-Max:
1 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
2200 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
LP873222RHDRQ1 Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended layout and placement guide in the LP873222RHDRQ1 datasheet, which includes guidelines for component placement, thermal vias, and PCB layer stackup. Additionally, TI recommends following the layout guidelines in the 'LP873222RHDRQ1 Evaluation Module User's Guide' for optimal performance.
To optimize the LP873222RHDRQ1 for low noise and high PSRR, ensure proper PCB layout, use a low-ESR output capacitor, and add a noise filter capacitor (e.g., 10nF) between the VIN and GND pins. Also, consider using a shielded inductor and placing the device away from noise sources.
Although the datasheet specifies a maximum input voltage of 5.5V, TI recommends limiting the input voltage to 5V to ensure reliable operation and prevent damage to the device.
The LP873222RHDRQ1 output voltage can be configured using the FB pin and an external resistor divider network. TI provides a calculation formula in the datasheet to determine the required resistor values for a specific output voltage.
The LP873222RHDRQ1 can operate with an input voltage as low as 2.7V, but the output voltage regulation may not be guaranteed below 3.0V. For reliable operation, TI recommends an input voltage of at least 3.3V.
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LP873222RHDRQ1 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.
