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MAX8531 - Dual Low-Dropout Linear Regulators

General Description

The MAX8530/MAX8531 offer the benefits of lowdropout voltage and ultra-low power regulation in subminiaturized UCSP and QFN packages with an integrated microprocessor reset circuit (MAX8530 only).

Key Features

  • include short-circuit protection and thermal-shutdown protection. The MAX8530 provides microprocessor open-drain, active-low reset output to monitor OUT1, eliminating external components and adjustments. The MAX8530 asserts a 100ms (min) RESET signal when OUT1 drops below 87% of the nominal output voltage. The MAX8531 includes a reference bypass pin for low output noise (40µVRMS). Both devices include a logic-controlled shutdown input and are available in 6-bump UCSP and 6-pin thin QFN exposed p.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX853 Low-Noise / Regulated / Negative Charge-Pump Power Supplies for GaAsFET Bias
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-2711; Rev 0; 1/03 Dual Low-Dropout Linear Regulators with RESET or Low-Noise Output in UCSP or QFN General Description The MAX8530/MAX8531 offer the benefits of lowdropout voltage and ultra-low power regulation in subminiaturized UCSP and QFN packages with an integrated microprocessor reset circuit (MAX8530 only). The devices operate from a 2.5V to 6.5V input and deliver up to 200mA and 150mA outputs with low dropout of 100mV (typ) at 100mA. Designed with an internal P-channel MOSFET pass transistor, the supply current is kept at a low 130µA (with both LDOs on), independent of the load current and dropout voltage. Other features include short-circuit protection and thermal-shutdown protection.