TL1963A-15DCYT

Current - Output:	1.5A
Base Part Number:	TL1963A-15
Supplier Device Package:	SOT-223-4
Package / Case:	TO-261-4, TO-261AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	63dB (120Hz)
Current - Supply (Max):	80mA
Current - Quiescent (Iq):	1mA
Series:	--
Voltage Dropout (Max):	0.55V @ 1.5A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TL1963A-15DCYT is a Linear voltage regulator IC specifically designed for low-cost, low-voltage applications. The TL1963A-15DCYT is an adjustable fixed output three-terminal linear voltage regulator (which includes thermal shutdown protection) that is suitable for wide range of low power, portable applications. It is specifically designed to operate over a wide range of input voltage, output and temperature variations.

General Features and Benefits

• Wide input voltage range: 2.0V to 20V
• The regulator output voltage can be adjusted from 0.8V to 15V
• They are offered with a space-efficient SOP-8 package
• Features tight line and load regulation
• Low quiescent current of 5mA typical
• Free wheeling diode protection
• High PSRR (up to 120dB)
• Wide operating temperature range from -40°C to +85°C

Applications

The TL1963A-15DCYT Linear voltage regulator IC is well suited for various consumer and industrial applications such as battery powered portable equipment, consumer electronics, printers and small power supplies, mobile and handheld devices.

Working Principle

The TL1963A-15DCYT is an adjustable three-terminal linear voltage regulator that is suitable for wide range of low voltage applications. It features a wide input voltage range (2.0V to 20V), adjustable output voltage range (0.8V to 15V), and low quiescent current (5mA typical). The regulator functions similarly to a typical linear voltage regulator, in that it regulates the output voltage by controlling the impedance of a pass transistor. The regulation is typically achieved by controlling the gate voltage of the pass transistor using a feedback voltage divider composed of series resistors connected to the adjustable output voltage. The TL1963A-15DCYT IC has an additional input pin (FB) for controlling the output voltage. When the FB pin is connected to the adjustable voltage rail, the output voltage can be monitored and adjusted by forcing a fraction of the output rail to the FB pin of the IC. This scheme is used so that the output voltage can be maintained and adjusted over a wide range of applications. The IC also has an over-temperature shut down protection that shuts off the voltage regulator if the temperature rises above a certain threshold, this provides additional protection for the IC and for the application circuitry.

Conclusion

In conclusion, the TL1963A-15DCYT is a low-cost and low-voltage linear voltage regulator IC, which is well suited for various consumer and industrial applications such as battery powered portable equipment, consumer electronics, printers and small power supplies, mobile and handheld devices. It features a wide input voltage range, adjustable output voltage range, and low quiescent current. The IC is also protected from over-temperature shut down through the thermal shutdown protection feature.

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