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ADP5037 - 800 mA Buck Regulators

General Description

The ADP5037 combines two high performance buck regulators and two low dropout (LDO) regulators in a small, 24-lead 4 mm × 4 mm LFCSP to meet demanding performance and board space requirements.

Key Features

  • Main input voltage range: 2.3 V to 5.5 V Two 800 mA buck regulators and two 300 mA LDOs 24-lead, 4 mm × 4 mm LFCSP package Regulator accuracy: ±1.8% Factory programmable or external adjustable VOUTx 3 MHz buck operation with forced PWM and auto PWM/PSM modes BUCK1/BUCK2: output voltage range from 0.8 V to 3.8 V LDO1/LDO2: output voltage range from 0.8 V to 5.2 V LDO1/LDO2: input supply voltage from 1.7 V to 5.5 V LDO1/LDO2: high PSRR and low output noise Dual 3 MHz, 800 mA Buck Regulators with.

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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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Data Sheet FEATURES Main input voltage range: 2.3 V to 5.5 V Two 800 mA buck regulators and two 300 mA LDOs 24-lead, 4 mm × 4 mm LFCSP package Regulator accuracy: ±1.8% Factory programmable or external adjustable VOUTx 3 MHz buck operation with forced PWM and auto PWM/PSM modes BUCK1/BUCK2: output voltage range from 0.8 V to 3.8 V LDO1/LDO2: output voltage range from 0.8 V to 5.2 V LDO1/LDO2: input supply voltage from 1.7 V to 5.5 V LDO1/LDO2: high PSRR and low output noise Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs ADP5037 load is above a predefined threshold, the buck regulators operate in PWM mode. When the load current falls below a predefined threshold, the regulator operates in power save mode (PSM), improving the light-load efficiency. Table 1.