BH18LB1WHFV-TR

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The BH18LB1WHFV-TR is a 3.2 V fixed-output linear voltage regulator with both enabled (Vout ≥ 3.2 V) and disabled (Vout= 0 V) modes. This regulator belongs to PMIC - Voltage Regulators - Linear. The application field of this regulator includes but is not limited to: off-load power supply, standby power supply for medical devices, industrial devices, tablet PC, servers, personal computers and automotive applications.

The working principle of the BH18LB1WHFV-TR regulator is based on the principle of linear-mode voltage regulation. When enabled, the regulator’s internal PMOS transistor functions as a depletion mode switch. A linear control circuitry monitors the output voltage and regulates it to a set value. The input voltage is applied to the input of the regulator and the filtered output voltage appears at the output. The voltage regulator has hysterisis, which prevents oscillation when the load current decreases. When disabled, the regulator’s PMOS transistor disconnects the input voltage from the output. This enables the output voltage to be driven to 0 V.

The regulator integrates the overclocking compensation circuit that reduces the output voltage deviation according to the input over=current. It also includes an overtemperature protection circuit that turns off the output when the regulator’s temperature exceeds a predetermined threshold.Moreover, the regulator includes a power-on reset function for digital products.

As previously mentioned, the BH18LB1WHFV-TR regulator is used for various applications in the above-mentioned fields. It offers low dropout voltage, ultra-low ripple noise, excellent transient response and selectable soft-start mode. The small size, large input voltage range, high efficiency and higher output current of the regulator make it ideal for applications that require a wide input voltage range and high output current.

In conclusion, the BH18LB1WHFV-TR regulator is a ideal suitable solution for applications that require a wide input voltage range and high output current with low power consumption. It offers excellent regulatoin, noise and transient response, as well as integrated features such as overclocking complensation and overtemperature protection. The small size, high efficiency and low dropout voltage ensure a stable and safe operation.

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