INPUT BIAS VOLTAGE= 4.5V TO 22V; OUTPUT VOLTAGE= 0.6V TO 5.5V
Analog IC - Other Type:
SWITCHING REGULATOR
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
18 V
Input Voltage-Min:
1.5 V
Input Voltage-Nom:
4.5 V
JESD-30 Code:
R-PQCC-N40
JESD-609 Code:
e4
Length:
7 mm
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Outputs:
1
Number of Terminals:
40
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
25 A
Output Voltage-Max:
5.5 V
Output Voltage-Min:
0.6 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
HQCCN
Package Equivalence Code:
LCC40,.2X.28,20
Package Shape:
RECTANGULAR
Package Style:
CHIP CARRIER, HEAT SINK/SLUG
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
1.52 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
1050 kHz
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Matte Tin (Sn); 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:
5 mm
TPS548B22RVFT Frequently Asked Questions (FAQs)
The maximum input voltage that can be applied to the TPS548B22RVFT is 22V, as specified in the datasheet. However, it's recommended to derate the input voltage to 20V to ensure reliable operation and to prevent damage to the device.
To ensure the stability of the output voltage, it's essential to follow the recommended layout guidelines, use a suitable output capacitor with a low ESR, and ensure that the input voltage is within the recommended range. Additionally, the output voltage can be stabilized by adding a capacitor in parallel with the output resistor (RFB) to filter out high-frequency noise.
The maximum output current that the TPS548B22RVFT can deliver is 2A, as specified in the datasheet. However, the actual output current may be limited by the input voltage, output voltage, and the thermal performance of the device.
The output voltage of the TPS548B22RVFT can be calculated using the following formula: VOUT = VREF x (1 + RFB/RFB1), where VREF is the internal reference voltage (0.8V), RFB is the feedback resistor, and RFB1 is the resistor connected between the output and the feedback pin.
The EN (enable) pin on the TPS548B22RVFT is used to enable or disable the device. When the EN pin is pulled high, the device is enabled, and when it's pulled low, the device is disabled. This pin can be used to implement power sequencing or to shut down the device when not in use.
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TPS548B22RVFT 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.
