TSM007IDT Integrated Circuits (ICs)

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The TSM007IDT is a 3V to 16V Input, 450mA, Small Footprint, High Efficiency Step Down Regulator. A unique feature of this regulator is the linear mode that it operates in at light loads – which results in a high efficiency and low quiescent current. This regulator can replace a complex conventional switching regulator system, making it an ideal solution for space-constrained designs that require high efficiency and low quiescent current.

The TSM007IDT is an ultra-small, high efficiency step-down regulator that can provide up to 450 mA from a single 3 V–16 V input. It is designed for applications that require small footprint and high efficiency with low quiescent current. The regulator features an internal high-side power MOSFET and synchronous rectification, along with advanced linear regulator control, for high efficiency over a wide range of output currents.

The TSM007IDT is a PMIC – Voltage Regulators – DC DC Switching Controllers optimized for applications such as cellular phones, notebook computers, PCs, digital cameras and PDA\'s where reducing the space consumed and power dissipation is of prime importance. The unique feature of this regulator is the linear mode that it operates in at light loads – which results in a high efficiency and low quiescent current.

The TSM007IDT includes an internal on-chip oscillator and PWM controller. It provides an adjustable-frequency signal that controls the MOSFET’s duty cycle. This signal adjusts the output voltage by controlling the amount of power that is available to the output by modulating the duty cycle between 0 (Off) and 100% (On). The output voltage is adjusted by adjusting the duty cycle of the MOSFET. This also helps reduce the level of ripple on the output voltage.

The TSM007IDT also features two power-saving modes. In the Sleep Mode, the high side MOSFET is turned off, and the output voltage is maintained by the internal linear regulator controller. In the Shutdown Mode, both the MOSFET and the internal linear regulator controller are turned off and the device draws less than 1 µA of current.

The TSM007IDT also has protection features such as current limit and thermal shut down. The device also has an optional external sense resistor that can be used to increase the accuracy of the current limit. The device provides a fast transient response, and can be used with very small output capacitors.

The TSM007IDT is an ideal solution for space-constrained designs that require high efficiency and low quiescent current. It provides a highly efficient, space-saving solution for applications such as cellular phones, notebook computers, PCs, digital cameras and Personal Digital Assistants. This regulator can replace a complex conventional switching regulator system, and offers a number of advantages such as high efficiency, small footprint and low quiescent current.

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