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MAX77816 データシート(PDF) 1 Page - Maxim Integrated Products |
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MAX77816 データシート(HTML) 1 Page - Maxim Integrated Products |
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1 / 26 page ![]() General Description The MAX77816 is a high-current, high-efficiency buck-boost regulator targeting single-cell Li-ion battery- powered applications. It supports a wide output voltage range from 2.60V to 5.14V. The IC allows 5A (TYP) maxi- mum switch current. In buck mode, the output current can go as high as 4A, and in boost mode, the maximum out- put current can be 3A. A unique control algorithm allows high efficiency, outstanding line/load transient response, and seamless transition between buck and boost modes. The IC features I2C-compatible serial interface. The I2C interface allows the output voltage to be dynamically adjusted thus enabling finer control of system power con- sumption. The I2C interface also provides features such as enable control and device status monitoring. The multifunction GPIO pin is register settable to 5 different options such as FPWM mode enable and induc- tor peak current level selection. These options provide design flexibility that allows the IC to cover a wide range of applications and use cases. Applications ● Smartphones and Tablets ● Wearable Devices ● Wireless Communication Devices ● RF Power Amplifiers ● Battery-Powered Applications Benefits and Features ● Buck and Boost Operation Including Seamless Transition between Buck and Boost Modes • 2.3V to 5.5V VIN Range • 2.60V to 5.14V VOUT with 20mV Step • 3A Minimum Continuous Output Current (VINBB ≥ 3.0V, VOUTBB = 3.3V) • Burst Current: 3.6A Minimum Output Current for 800µs (VINBB ≥ 3.0V, VOUTBB = 3.3V) ● I2C Serial Interface Allows Dynamic VOUT Adjustment and Provides Design Flexibility ● 97.5% Peak Efficiency ● 40µA Quiescent Current ● Safety Features Enhance Device and System Reliability • Soft-Start • True Shutdown™ • Thermal Shutdown and Short-Circuit Protection ● Multifunction GPIO Pin • MAX77816A: FPWM Mode Enable • MAX77816B: Inductor Peak Current-Limit selection • MAX77816C: Output Coltage Selection • MAX77816D: Power-OK indicator • MAX77816E: Interrupt Indicator ● Small Size: 1.827mm x 2.127mm, 20-Bump WLP, 0.4mm Pitch Ordering Information appears at end of data sheet. 19-100055; Rev 0; 6/17 True Shutdown is a trademark of Maxim Integrated Products, Inc. Typical Application Circuit MAX77816 GND GPIO EN PGNDBB FB_BB OUTBB LXBB 2 LXBB 1 INBB SYS SDA SCL 1µH 1µF 47µF 10µF VOUT VIN 1.5kΩ 1.5kΩ 1.8V 1.8V 100kΩ REQUIRED WHEN GPIO IS CONFIGURED AS OUTPUT MAX77816 High-Efficiency Buck-Boost Regulator with 5A Switches EVALUATION KIT AVAILABLE |
同様の部品番号 - MAX77816 |
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同様の説明 - MAX77816 |
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