S-85S1PC08-I8T1U

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S-85S1PC08-I8T1U Application Field and Working Principle

S-85S1PC08-I8T1U is a DCDC switching regulator, a type of voltage regulator power management integrated circuit (PMIC). It is a highly efficient switch-mode buck regulator which provides a constant supply voltage between 1.2 volts and 3.3 volts with an output current of 5 Amps. The device helps to ensure a constant power supply despite fluctuating load conditions.

Application Field of S-85S1PC08-I8T1U

The S-85S1PC08-I8T1U is used in a wide range of applications, including consumer electronics. It is well-suited for systems with large current requirements and frequent operating conditions due to its high efficiency and small external component count. The device is available in a space-saving 8-pin package and is suitable for robot control systems, automotive systems, or other applications where a high-voltage, highly efficient switch-mode DCDC switching regulator is needed.

Working Principle of S-85S1PC08-I8T1U

The S-85S1PC08-I8T1U works by controlling the duty cycle of the switching frequency, which is adjustable between 100 kHz and 600 kHz. When the device is powered on, it senses the feedback voltage and compares it to a reference voltage. If the feedback voltage is lower than the reference voltage, a pulse is sent to the gate of the power switch and it turns on, allowing current to flow to the output. If the feedback voltage is higher than the reference voltage, the power switch is turned off and the current flow is blocked.

The pulse width of the output waveform is dependent on the difference between the feedback and reference voltages. The higher the difference, the longer the pulse width and the higher the output voltage. The device also has a soft-start capability, which prevents it from overloading itself and causing an overcurrent condition when it is initially powered on.

The S-85S1PC08-I8T1U is a monolithic, high-efficiency switching regulator designed to provide an output of 1.2 to 3.3 volts at an output current of 5 amps. It has a wide operating input range and can be used in a variety of applications requiring a constant voltage output. The device is efficient and requires very few external components, making it an ideal choice for many products.

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