TSM007ID

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DC-DC switching controllers are an essential part of power management circuits, with their main application in regulating the voltage in a device over a range of power loads. The TSM007ID is a typical example of this type of regulator. As with all other DC-DC switching controllers, its working principle revolves around the regulation of voltage across the load.

The TSM007ID is based on a fixed frequency, synchronous buck controller and is capable of providing a regulated output voltage of up to 1.2V. It features a low current quiescence, with a quiescent current of only 350uA. The nominal loop response time is approximately 1.4us. In addition, the device has a wide operating temperature range of -40°C to +85°C and comes in a compact SOT23-6 package.

The TSM007ID has two control pins that allow for adjusting the output voltage according to the needs of the application: a mode/IREFF pin that can be used to select between two different operating modes in order to optimize the power efficiency, and an external reference voltage pin (VREFF) for fine-tuning the output voltage. For instance, in pulse-width modulation (PWM) mode, the mode/IREFF pin can be used to adjust the duty cycle of the output voltage. Conversely, the VREFF pin can be used in voltage regulation mode to precisely adjust the output voltage to a predetermined level. This makes it possible to achieve very accurate and stable output voltages.

The TSM007ID also features adaptive spread-spectrum clocking (SSC), which is a technique used to reduce conducted EMI (electromagnetic interference). This method can be easily enabled or disabled by manipulating the SSC pin. When enabled, the SSC function reduces the magnitude of EMI emissions by modulating the switching frequency over a range of frequencies.

In addition to these features, the TSM007ID also has several built-in protection circuits, such as over-current protection (OCP) and over-temperature protection (OTP). OCP prevents the output voltage from exceeding its rated set point, while OTP ensures that the device does not experience problems due to an excessively high temperature. In the event of an OCP or OTP fault, the device will automatically shut down and will remain disabled until the fault is rectified.

Overall, the TSM007ID is a compact and highly efficient DC-DC switching controller that is ideal for applications where accurate, stable output voltages must be regulated over a range of power loads. It features several unique features, such as SSC, OCP and OTP, making it suitable for a wide array of applications.

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