LT1070CT#30PBF

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The LT1070CT#30PBF is a high performance Step Down Switching Voltage Regulator from Linear Technology Corporation. It is an integrated, 2-phase synchronous PWM controller, which reduces output ripple and provides transient response similar to a linear regulator. The LT1070CT#30PBF has wide input voltage range of 4.5V-32V and output voltage of 0.615V-Vpin. It has built-in synchronous rectifier, which switches at much higher frequencies than other switching regulators, allowing for efficient operation with small magnetics, low voltage drops and reduced input ripple.

The LT1070CT#30PBF is ideal for applications where high efficiency, low ripple and fast transient response are critical. It can be used in automotive, industrial, communications and consumer electronics applications, as well as devices that require low quiescent current, low output noise and energy-saving features. The LT1070CT#30PBF is also suitable for general purpose DC to DC regulating, battery charging, and portable applications such as laptop computers and vending machines.

The LT1070CT#30PBF features:

• Wide 4.5V to 32V input voltage range.
• Fixed output voltage of 0.615V - Vpin.
• High efficiency PWM-synchronous regulator with shutdown feature.
• High frequency operation with small external components.
• Low quiescent current.
• Low noise operation.
• High power density with single switch.
• Protection against short circuit, overload, and overvoltage conditions.
• Frequency-selectable design with low output voltage ripple.
• TTL compatible control input.
• Error amplifier for external compensation.

The working principle of the LT1070CT#30PBF is straightforward. The input voltage is fed to the error amplifier, which compares it with the reference voltage to produce an output voltage. The output voltage is then fed to the PWM controller, which generates pulses at a frequency determined by the external components. The output current is then passed through an external synchronous rectifier and output diode, which convert the current into the desired DC output voltage. The PWM controller can be adjusted by adding external components to obtain the desired output voltage and frequency.

In summary, the LT1070CT#30PBF is a high performance Step Down Switching Voltage Regulator. It is suitable for a wide variety of automotive, industrial, communications and consumer electronics applications, as well as devices that require low quiescent current, low output noise and energy-saving features. The LT1070CT#30PBF is a reliable and efficient choice for many operations due to its wide input voltage range, its high power density, its low output voltage ripple, its TTL-compatible control input and its error amplifier for external compensation.

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