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MAX77542 データシート(PDF) 1 Page - Analog Devices |
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MAX77542 データシート(HTML) 1 Page - Analog Devices |
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1 / 122 page  General Description The MAX77542 is a high-efficiency step-down converter with four 4A switching phases. It uses an adaptive con- stant on-time (COT) current-mode control scheme and its flexible architecture supports five phase configurations. Its wide input-voltage range enables a direct conversion for less than 1V outputs from 1 to 3-cell Li+ batteries and USB power delivery (PD) supply rails. The output voltages are preset with resistors and are further adjustable through an I2C-compatible interface. Flexible sequencer and programmable soft-start/soft-stop slew rates provide controlled transitions between operat- ing states. Programmable switching frequency, frequen- cy tracking, and spread-spectrum features allow easier system optimization for noise-sensitive applications. Mul- tifunction I/Os allow for flexible control of each output for EN, LPM, FPWM, POK, RSTINB, and RSTOB status. An array of built-in protections ensures safe operation under abnormal operating conditions. Applications ● 1 to 3-Cell Li+ and USB-C Power Delivery Systems ● Audio/Video Equipment and PCIe/RAID Cards ● Application Processors, FPGAs, DSPs, and ASICs Benefits and Features ● 2.8V to 16V Input-Voltage Range ● 0.3V to 5.2V Output-Voltage Range ● Max 16A (4A/Φ) with Five Phase Configurations ● ±0.5% VOUT Accuracy (Default VOUT at +25°C) ● 94% Peak Efficiency (7.6VIN, 3.3VOUT, 1MHz) ● Auto Skip/PWM Transition and Low-Power Mode ● Drop-Out Operation with 98% of Max Duty Cycle ● Differential Output-Voltage Sensing ● Flexible Sequencer with Soft-Start/Soft-Stop Slew Rates ● Prebiased Startup and Active Output Discharge ● 0.5MHz/1.0MHz/1.5MHz Nominal Switching Frequency ● Spread-Spectrum Modulation for EMI Reduction ● Internal/External Frequency Tracking ● Default VOUT and Phase Configuration Setting by RSELx ● Multifunction I/Os for EN, LPM, FPWM, and POK ● UVLO, Thermal-Shutdown, and Short-Circuit Protection ● High-Speed, I2C Serial Interface ● Available in 60-Bump WLP (4.36mm x 2.56mm x 0.65mm) ● Less than 115mm2 Total Solution Size with 2520 Inductors Typical Applications Circuit 1Φ + 1Φ + 1Φ + 1Φ 4A PHASE-CONFIGURABLE QUAD-OUTPUT 4A 4A 4A 2Φ + 2Φ 4Φ 16A 2Φ + 1Φ + 1Φ 4A 4A 8A 3Φ + 1Φ 12A 4A 8A 8A VOUT1 (0.3V TO 5.2V) PGND1 LX1 PGND2 LX2 SNS1P SNS2P SYS IRQB SCL AGND SDA CFG1 MAX77542 1+1+1+1 CONFIGURATION IN1 BST1 BST2 SEL4 CE MFIO1 MFIO2 VDD VL12 VIO DC POWER SOURCE (2.8V TO 16V) DC POWER SOURCE (2.8V TO 16V) VOUT2 (0.3V TO 5.2V) IN2 DC POWER SOURCE (2.8V TO 16V) VOUT3 (0.3V TO 5.2V) PGND3 LX3 PGND4 LX4 SNS3P SNS4P IN3 BST3 BST4 DC POWER SOURCE (2.8V TO 16V) VOUT4 (0.3V TO 5.2V) IN4 DC POWER SOURCE (2.8V TO 16V) SEL3 MFIO3 MFIO4 VIO MFIO8 MFIO5 MFIO7 MFIO6 SNS3N SNS1N SEL2 SEL1 CFG2 VL34 ALT_IN Click here to ask an associate for production status of specific part numbers. MAX77542 16VIN/16A, Quad-Phase High-Efficiency Buck Converter EVALUATION KIT AVAILABLE Typical Application Circuits continued at end of data sheet. Ordering Information appears at end of data sheet. 19-101666; Rev 0; 2/23 © 2023 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. One Analog Way, Wilmington, MA 01887 U.S.A. | Tel: 781.329.4700 | © 2023 Analog Devices, Inc. All rights reserved. |
同様の部品番号 - MAX77542 |
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同様の説明 - MAX77542 |
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