S-1170B23UC-OTITFG

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The S-1170B23UC-OTITFG is a controller IC specifically intended for use in high-efficiency non-isolated DC-DC applications, such as point-of-load (POL) converters and lighting drivers. This device integrates an ultra-low quiescent current (IQ) linear regulator plus a low-threshold voltage (VT) startup circuit that minimizes inrush current issues. The S-1170B23UC-OTITFG is designed to provide optimal current-mode control of DC-DC switching supplies when the input powers range between 7 and 12-volts, and the output linear regulator supplies currents up to 20mA.

The S-1170B23UC-OTITFG offers several features that are ideal for use in non-isolated DC-DC converters such as Telecom, distributed power systems, computers, consumer electronics, and networking systems. These features include a wide range of adjustable output voltages, low output noise, fast transient response, and fast current regulation. The low dropout linear regulator also provides low quiescent current operation and very low power dissipation which allows the S-1170B23UC-OTITFG to provide improved power efficiency for the application. The S-1170B23UC-OTITFG also provides an adjustable soft-start feature to reduce inrush current, as well as over-current, short-circuit and under-voltage protection.

The S-1170B23UC-OTITFG is designed as a turnkey PMIC, with key components such as switches, inductors, and capacitors integrated onto the device. The integrated switches provide the required current-mode control, while the integrated inductors and capacitors provide the necessary signal filtering and voltage regulation. The device also includes an integrated clock signal generator that can be used to generate a high frequency clock to synchronize the integrated power supply.

The S-1170B23UC-OTITFG linear regulator works by converting a DC input voltage to an AC signal, which is then rectified and regulated by a feedback loop that monitors the output voltage. This feedback loop amplifies any deviation between the input and output voltages, and adjusts the internal gain as necessary to keep the output voltage constant. This linear regulators can also be used in buck-mode applications, which make use of a switch to regulate the output voltage.

In addition to the linear mode of regulation, the S-1170B23UC-OTITFG also supports various power-save modes. The device can be programmed to enter a low-power mode when the input voltage drops below a certain threshold, or when the output voltage is below a certain level. This can help to reduce the overall power consumption of the system. Additionally, the device supports an adaptive power-save mode that can dynamically adjust the frequency of its operation based on environmental conditions or the load requirement of the system.

The S-1170B23UC-OTITFG is an ideal solution for DC-DC converters, lighting drivers and other applications that require an efficient and reliable linear regulator. With its integrated components, adjustable output voltages, low quiescent current, and low power dissipation, the device provides excellent performance and flexibility. With its high efficiency and excellent features, the S-1170B23UC-OTITFG is a great choice for applications that require a reliable and efficient linear regulator.

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