TLE72702EXUMA1

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PMIC - Voltage Regulators - Linear

The TLE72702EXUMA1 is a low-cost, low-input voltage, low-power linear voltage regulator. It is designed to provide a regulated output voltage even when input voltage drops as low as 0.8V. It is available in both fixed and adjustable output voltage versions, with adjustable output version being optimal for very low power and non-critical voltage applications.

Application field

The TLE72702EXUMA1 is an excellent choice for any application requiring a low power, low-voltage linear regulator. It is especially well-suited for non-critical and non-startup applications like ultra-low-power circuits and battery-powered systems. It can also be used in situations where a low-voltage input source, such as a single cell Li-Ion battery, is available. In addition, it can replace inefficient switching regulators, significantly reducing power loss to provide improved energy efficiency.

Working Principle

The TLE72702EXUMA1 is a linear regulator, meaning that it regulates output voltage by controlling the amount of current entering the output pin. The device accomplishes this by using a voltage divider circuit internal to the IC. This circuit divides the input voltage from the source and the output voltage from the load. An internal op-amp measures the voltage at the output pin and compares it to a reference voltage. It then adjusts the current flow through the device accordingly. This limits the output voltage to the exact setpoint.

The device also has a slew rate which limits how quickly it can adjust the output voltage. With a higher slew rate, the transient current will be minimized, minimizing power loss. However, a higher slew rate also reduces the bandwidth of the feedback loop, resulting in longer settling times. This can cause the output voltage to oscillate or have extended settling times, which should be considered when operating in critical applications.

The TLE72702EXUMA1 also uses a power transistor to control output current. During overload conditions, the transistor will shut off the output current to protect the IC, ensuring the safe operation of the device. In order to provide stability, a compensation capacitor must be connected to the device. This capacitor filters out high frequency noise and ensures that the device is able to maintain a stable output voltage.

The TLE72702EXUMA1 is well-suited for low power applications, as it has an extremely low power consumption. It has a low operating voltage, meaning that it can draw power from a wide variety of sources, including single-cell Li-ion batteries. It also features thermal shutdown and current limit protection, further enhancing the safety and reliability of the device.

The TLE72702EXUMA1 is an excellent choice for any application requiring a low power, low voltage linear voltage regulator. It has a low input voltage, low power consumption, low operating voltage, and features thermal shutdown and current limit protection. This makes it ideal for ultra-low power and non-critical voltage applications.

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