UC2950TG3 footprint, schematic symbol and 3D model by Texas Instruments

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UC2950TG3 - Texas Instruments PCB footprint - Other - Other - KC(R-PSFM-T5)

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Part Number UC2950TG3
Manufacturer Texas Instruments
Pin Count 5
Part Category Integrated Circuit
Package Category Other
Footprint Name Other - KC(R-PSFM-T5)
Released Date Oct 28, 2019
Last Modified Date Mar 7, 2023 4:10 PM UTC
Pinout / Pin List Click Here (Member Only)

UC2950TG3 Details

Manufacturer Part Number:
UC2950TG3
Brand Name:
Texas Instruments
Pbfree Code:
Yes
Rohs Code:
Yes
Part Life Cycle Code:
Active
Part Package Code:
SFM
Package Description:
TO-220, 5 PIN
Pin Count:
3
ECCN Code:
EAR99
HTS Code:
8542.39.00.60
Manufacturer:
Texas Instruments
YTEOL:
15
Built-in Protections:
THERMAL
Driver Number of Bits:
1
Input Characteristics:
STANDARD
Interface IC Type:
HALF BRIDGE BASED PERIPHERAL DRIVER
JESD-30 Code:
R-PSFM-T5
JESD-609 Code:
e3
Length:
10.16 mm
Number of Channels:
1
Number of Functions:
1
Number of Terminals:
5
Operating Temperature-Max:
100 °C
Operating Temperature-Min:
-20 °C
Output Characteristics:
3-STATE
Output Current Flow Direction:
SOURCE AND SINK
Output Current-Max:
4 A
Output Peak Current Limit-Nom:
4 A
Output Polarity:
TRUE
Package Body Material:
PLASTIC/EPOXY
Package Code:
TO-220
Package Equivalence Code:
SIP5,.1,67TB
Package Shape:
RECTANGULAR
Package Style:
FLANGE MOUNT
Qualification Status:
Not Qualified
Seated Height-Max:
4.7 mm
Supply Current-Max:
36 mA
Supply Voltage-Max:
8 V
Supply Voltage-Min:
8 V
Supply Voltage-Nom:
12 V
Surface Mount:
NO
Technology:
BIPOLAR
Temperature Grade:
OTHER
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
THROUGH-HOLE
Terminal Pitch:
1.7 mm
Terminal Position:
SINGLE
Turn-off Time:
2 µs
Turn-on Time:
0.5 µs
Width:
8.51 mm

UC2950TG3 Frequently Asked Questions (FAQs)

The UC2950TG3 is a high-frequency device, and proper layout and placement are crucial for its operation. TI recommends a 4-layer PCB with a solid ground plane, and the device should be placed close to the input capacitors. The output inductor and diode should be placed close to the device, and the output capacitor should be placed close to the load. A good rule of thumb is to keep the high-frequency loops as small as possible.
The input capacitor should have a low ESR and be able to handle the input ripple current. A ceramic capacitor with an X7R or X5R dielectric is recommended. The output capacitor should also have a low ESR and be able to handle the output ripple current. A ceramic or film capacitor with a low ESR is recommended. The capacitor values should be chosen based on the desired output voltage ripple and the switching frequency.
The maximum ambient temperature for the UC2950TG3 is 85°C. However, the device can operate up to 125°C junction temperature. The ambient temperature should be derated based on the power dissipation and the thermal resistance of the device.
The power dissipation of the UC2950TG3 can be calculated using the following formula: Pd = (Vin * Iin) + (Vout * Iout) + (fsw * Coss * Vin^2). Where Vin is the input voltage, Iin is the input current, Vout is the output voltage, Iout is the output current, fsw is the switching frequency, and Coss is the output capacitance. The power dissipation should be derated based on the ambient temperature and the thermal resistance of the device.
The recommended switching frequency for the UC2950TG3 is between 200 kHz and 500 kHz. However, the switching frequency can be adjusted based on the specific application requirements and the trade-off between efficiency and size.

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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.

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