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MAX8893A Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX8893A Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 51 page  _______________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. µPMICs for Multimedia Application Processors in a 3.0mm x 2.5mm WLP General Description The MAX8893A/MAX8893B/MAX8893C power-manage- ment integrated circuits (PMICs) are designed for a variety of portable devices including cellular handsets. The PMICs include a high-efficiency step-down DC-DC converter, five low-dropout linear regulators (LDOs) with programmable output voltages, individual power-on/ off control inputs, a load switch, and a USB high-speed switch. These devices maintain high efficiency with a low no-load supply current, and the small 3.0mm x 2.5mm WLP package makes them ideal for portable devices. The step-down DC-DC converter utilizes a proprietary 4MHz hysteretic PWM control scheme that allows for ultra-small external components. Internal synchronous rectification improves efficiency and eliminates the exter- nal Schottky diode that is required in conventional step- down converters. Its output voltage is programmable by the I2C serial interface and output current is guaranteed up to 500mA. LDO1, LDO4, and LDO5 offer low 45FVRMS output noise and low dropout of only 100mV at 100mA. They deliver up to 300mA, 150mA, and 200mA continuous output cur- rents, respectively. LDO2 and LDO3 each deliver 300mA continuous output current with very low ground current. All LDO output voltages are programmable by the I2C serial interface. Three standard versions of the PMIC are available with different LDO default startup voltages (see Table 1). The MAX8893A/MAX8893B/MAX8893C are available in a 3.0mm x 2.5mm, 30-bump WLP package. Applications Cellular Handsets Smartphones and PDAs Features S High-Efficiency Step-Down Converter Guaranteed 500mA Output Current Up to 4MHz Switching Frequency Programmable Output Voltage from 0.8V to 2.4V Dynamic Voltage Scaling with Programmable Ramp Rate S Three Low-Noise LDOs with Programmable Output Voltages S Two Low Supply Current LDOs with Programmable Output Voltages S Low On-Resistance Load Switch S USB High-Speed Switch with ±15kV ESD S Individual Enable Control for All Regulators and Switches S I2C Serial Interface S Overcurrent and Thermal Protection for All LDOs S 3.0mm x 2.5mm x 0.64mm, 30-Bump WLP 19-4971; Rev 1; 2/10 +Denotes a lead(Pb)-free/RoHS-compliant package. Typical Operating Circuit appears at end of data sheet. Ordering Information EVALUATION KIT AVAILABLE PART TEMP RANGE PIN-PACKAGE MAX8893AEWV+ -40NC to +85NC 30-Bump WLP (3.0mm x 2.5mm) MAX8893BEWV+ -40NC to +85NC 30-Bump WLP (3.0mm x 2.5mm) MAX8893CEWV+ -40NC to +85NC 30-Bump WLP (3.0mm x 2.5mm) |
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Similar Description - MAX8893A_10 |
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