Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	TPS61016
Supplier Device Package:	10-VSSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	500kHz
Current - Output:	1.07A (Switch)
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	3.3V
Voltage - Input (Min):	0.8V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tube

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TPS61016DGS Application Field and Working Principle

The TPS61016DGS is a high-efficiency DC-DC buck converter for single-cell Li-Ion battery powered applications. It is used for a wide range of low-power applications such as mobile handsets, digital cameras, PDAs, and portable multimedia applications. This device is also suitable for automotive and medical applications. The TPS61016DGS is a low-noise, integrated step-down DC-DC converter with a wide input voltage range of 2.7V - 5.5V. It is designed to achieve high-efficiency with a low output ripple voltage, while providing an adjustable output voltage between 0.6V - 3.3V. This device also provides programmable current limit, UVLO, and thermal protection.

Features

• Input voltage range of 2.7V - 5.5V
• Efficiency up to 93%
• Low output ripple voltage
• Programmable overload and short-circuit protection
• Programmable UVLO, thermal protection, and under-voltage lockout
• Small size, low profile 5.0 mm x 7.5 mm package
• Flexible design
• High efficiency over a wide load range

Applications

• Smartphones
• Digital cameras
• Personal digital assistants (PDAs)
• Tablets
• Portable multimedia players
• Automotive applications

Working Principle

The TPS61016DGS is a low-noise, integrated step-down DC-DC converter with a wide input voltage range of 2.7V - 5.5V. It is a voltage regulator that regulates input voltage to an adjustable output voltage for efficient and precise power delivery. This device consists of a control circuit and an internal power switch. The control circuit steps down the input voltage and controls the duty cycle of the switch. The duty cycle is proportional to the load current. The on-time of the switch is regulated according to the output voltage. The switch is connected to the output capacitor through a low-impedance path. The inductor of this device also acts as an energy storage element. When the device is in the active period, the current through the inductor increases and charges the output capacitor. When the device enters the off-time period, the inductor current decreases and the capacitor discharges to provide the output current through the switch. As the device operates in this cycle, the output voltage is regulated and maintained until a new triggered cycle is initiated. The TPS61016DGS has a very low output ripple voltage, making it suitable for noise-sensitive applications. This device also features programmable over-current and short-circuit protection as well as UVLO, thermal shutdown, and under-voltage lockout. The device is offered in a Pb-free, space-saving 5.0 mm x 7.5 mm package and has a wide operating temperature range of 0°C to 70°C. In conclusion, the TPS61016DGS is an efficient, accurate, and robust step-down DC-DC converter that is ideal for low-power applications requiring regulated output voltages. This device also offers low output ripple, flexible design, and many protection features to ensure safe and reliable operation.

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