ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 4.95V
Analog IC - Other Type:
SWITCHING CONTROLLER
Control Mode:
VOLTAGE-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
5.5 V
Input Voltage-Min:
2.25 V
Input Voltage-Nom:
5 V
JESD-30 Code:
S-PDSO-N8
JESD-609 Code:
e4
Length:
3 mm
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Outputs:
1
Number of Terminals:
8
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
15 A
Output Voltage-Max:
4.95 V
Output Voltage-Min:
0.6 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVSON
Package Shape:
SQUARE
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1 mm
Surface Mount:
YES
Switcher Configuration:
PUSH-PULL
Switching Frequency-Max:
300 kHz
Technology:
BICMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
NICKEL PALLADIUM GOLD
Terminal Form:
NO LEAD
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
3 mm
TPS40040DRBTG4 Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet (section 10.2) and in the TPS40040DRBTG4 Evaluation Module User's Guide. It's essential to follow these guidelines to ensure optimal thermal performance and minimize thermal resistance.
The input capacitor selection depends on the input voltage, current, and ripple requirements. TI recommends using a low-ESR capacitor with a minimum capacitance of 10uF and a voltage rating of at least 1.5 times the maximum input voltage. Refer to the datasheet (section 7.3) for more information.
The TPS40040DRBTG4 has a thermal derating curve (see datasheet, figure 13). For example, at 85°C ambient temperature, the maximum output current is derated to approximately 70% of the nominal value. Always check the derating curve for the specific operating conditions.
The TPS40040DRBTG4 is an industrial-grade device, but it's not specifically designed for high-reliability or automotive applications. For such applications, consider using devices with higher reliability ratings, such as the TPS40040QDRBTG4 (automotive-grade) or other devices with specific high-reliability certifications.
TI provides a troubleshooting guide in the datasheet (section 11) and in the TPS40040DRBTG4 Evaluation Module User's Guide. Common issues can be related to PCB layout, input/output capacitor selection, or incorrect configuration. Always check the datasheet and application notes for guidance on troubleshooting and debugging.
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TPS40040DRBTG4 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.
