TPS79733DCKTG4

Current - Output:	50mA
Base Part Number:	TPS79733
Supplier Device Package:	SC-70-5
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Reverse Polarity
Control Features:	Power Good
PSRR:	50dB (100Hz)
Current - Quiescent (Iq):	2µA
Series:	--
Voltage Dropout (Max):	0.2V @ 10mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to TPS79733DCKTG4

TPS79733DCKTG4 is a high-efficiency low dropout linear regulator that belongs to the family of DC-DC PMIC regulators, and is designed to provide a maximum output of 3.3 V at 400mA output current. This device comes in an 8-pin TSSOP package and feature high-frequency operation up to 1MHz. Besides the low drop-out voltage and high-efficiency operation, this device also offers excellent line and load transient response to reduce output voltage drop due to changes in load and input voltage.

Application Field and Working Principle

TPS79733DCKTG4 is mainly used in many consumer electronic devices including cellular handsets, cordless phones, PDAs, MP3 players and gaming devices. It can also serve as a post-process power regulation for portable computers with different voltage loads and switching modes over various line and load conditions.Operation of TPS79733DCKTG4 is based on a conventional linear regulator principal. It uses a built-in PNP pass element that controls base current to the pass element to maintain constant output voltage. Output voltage is determined by an external voltage divider (resistor divider) connected from output to adjust pin. The device contains a slew rate control circuit which helps to reduce the output voltage transient response. A built-in thermal shutdown circuit is designed for over-temperature protection.

Features and Benefits

The TPS79733DCKTG4 offers numerous features and benefits, which make it suitable for small space, cost-efficient applications.• Maximum output current of 400mA with very low dropout voltage• High-frequency switching up to 1MHz• Maximum 3% tolerance on output voltage• Low quiescent current• Low noise operation• Excellent line and load transient response• Built-in thermal shutdown protection• Low cost 8-pin TSSOP package

Conclusion

TPS79733DCKTG4 is an excellent linear regulator from the family of PMIC voltage regulators. This device is ideal for small space applications due to its low dropout voltage, high frequency operation, excellent line and load transient response, low quiescent current, low noise operation and built-in thermal shutdown protection. To sum it up, TPS79733DCKTG4 is an ideal solution for cost-effective, small space applications.

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