TPS61070DDCR

Voltage - Output (Min/Fixed):	1.8V
Base Part Number:	TPS61070
Supplier Device Package:	TSOT-23-6
Package / Case:	SOT-23-6 Thin, TSOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.2MHz
Current - Output:	500mA (Switch)
Voltage - Output (Max):	5.5V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	0.9V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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＜p＞The TPS61070DDCR is a synchronous step-down DC/DC converter from Texas Instruments. This product is a regulator integrated into a tiny 4-pin SOT-23 package, which offers excellent efficiency and reliable performance in space constrained applications. With a working frequency range from 500 Hz up to 2 MHz, the TPS61070DDCR is designed to support a wide range of applications requiring a low noise, step-down DC/DC converter. ＜/p＞＜p＞Among its various features include an internal synchronous rectifier switch, current-mode topology, and adjustable switching frequency which allows the user to optimize their design. The TPS61070DDCR is available in different frequency ranges and can be easily connected in parallel to increase current capability. ＜/p＞＜p＞The TPS61070DDCR is a cost-effective solution for high power density, applications requiring low voltage steps-down and fixed 1.8V or variable output voltages. It is ideally suited for consumer, industrial, and automotive applications such as cell phones, Bluetooth devices, medical and automotive systems. ＜/p＞＜p＞The TPS61070DDCR application field and working principle can be best understood by looking at its internal circuitry and key features. The TPS61070DDCR features an input voltage range of +2.5 V to +6 V. The converter is designed to drive a wide and continuous output range from 0.8 V to VIN, offering an output range of up to 95% of the input voltage. By using a low ripple current mode control topology, the device works in pulse width modulated (PWM) mode to efficiently convert the available voltage and current.＜/p＞＜p＞The device is equipped with an advanced synchronous rectificationFET switch, the power FET, which is driven by an internal, high frequency oscillator that operates in PWM mode. This design allows the TPS61070DDCR to keep a constant, steady voltage when the load varies, while also reducing the amount of power losses. The device provides an extremely high efficiency at light loads, with typical efficiencies of over 90%.＜/p＞＜p＞The TPS61070DDCR also offers an adjustable switching frequency, allowing the user to optimize their design for the best performance. This feature helps to maximize power efficiency, reduce output ripple and noise, and reduce component size or complexity. The device also features an internal fault detect circuitry which monitors the output voltage and can shuts down the converter in case of an output overvoltage/undervoltage conditions or if the current through the internal FET exceeds its maximum limit. Additionally,the device offers high accuracy at the output,quick transient response and output current limiting.＜/p＞＜p＞Overall, the TPS61070DDCR is a compact and high efficiency synchronous step-down converter that offers an optimum balance between cost, power density and performance. It is an ideal solution for applications requiring low voltage steps-down and fixed/variable output voltages and is particularly suited for consumer, industrial, and automotive applications. ＜/p＞

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