ALSO HAS ADJUSTABLE OUTPUT VOLTAGE AS LOW AS 1.225V
Analog IC - Other Type:
SWITCHING REGULATOR
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
42 V
Input Voltage-Min:
6 V
Input Voltage-Nom:
24 V
JESD-30 Code:
R-PDSO-G16
JESD-609 Code:
e3
Length:
5 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:
0.5 A
Output Voltage-Max:
40 V
Output Voltage-Min:
1.23 V
Output Voltage-Nom:
7.15 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
TSSOP
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
1.2 mm
Surface Mount:
YES
Switcher Configuration:
BUCK
Switching Frequency-Max:
1000 kHz
Technology:
BICMOS
Temperature Grade:
AUTOMOTIVE
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
4.4 mm
LM25574QMT/NOPB Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general best practices for switching regulator layout, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths.
To ensure stability, follow the datasheet's guidelines for component selection, such as using a minimum output capacitance of 10uF and a maximum ESR of 1 ohm. Additionally, make sure to decouple the input and output with ceramic capacitors, and use a low-ESR output capacitor.
The LM25574QMT/NOPB has an operating junction temperature range of -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and thermal design. A general rule of thumb is to derate the device by 1°C/W above 25°C ambient temperature.
Yes, the LM25574QMT/NOPB is qualified for automotive and high-reliability applications, but it's essential to follow the recommended design and layout guidelines, and to perform thorough testing and validation to ensure the device meets the specific application requirements.
The power dissipation of the LM25574QMT/NOPB can be calculated using the equation: Pd = (Vin - Vout) x Iout x Efficiency. The efficiency can be estimated from the datasheet's efficiency curves or by measuring the device's power consumption in the application.
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LM25574QMT/NOPB 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.
