PFM TECHNIQUE ALSO USED; ADJUSTABLE OUTPUT VOLTAGE FROM 20 TO 85V
Analog IC - Other Type:
SWITCHING REGULATOR
Control Mode:
VOLTAGE-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
5.5 V
Input Voltage-Min:
2.5 V
Input Voltage-Nom:
3.3 V
JESD-30 Code:
S-PQCC-N16
JESD-609 Code:
e4
Length:
3 mm
Moisture Sensitivity Level:
1
Number of Functions:
1
Number of Outputs:
1
Number of Terminals:
16
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
1.2 A
Output Voltage-Max:
84 V
Output Voltage-Min:
2.5 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
Seated Height-Max:
0.8 mm
Surface Mount:
YES
Switcher Configuration:
BUCK-BOOST
Switching Frequency-Max:
800 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
TPS61390RTER Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general high-frequency layout guidelines, such as keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths.
To ensure stability, make sure to follow the recommended component values and PCB layout, and also consider the output capacitor's ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) values. Additionally, a minimum output capacitance of 10uF is recommended.
Although the datasheet specifies a maximum input voltage of 5.5V, it's recommended to limit the input voltage to 5V to ensure reliable operation and prevent damage to the device.
The TPS61390RTER is rated for operation up to 125°C, but it's essential to consider the device's power dissipation and thermal management when operating in high-temperature environments. Ensure proper heat sinking and follow the recommended thermal design guidelines.
Start by verifying the input voltage, output voltage, and output current. Check the PCB layout and component values against the recommended design. Use an oscilloscope to monitor the output voltage and current waveforms. If issues persist, consult the Texas Instruments support resources or contact their technical support team.
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TPS61390RTER 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.
