MP3422GG-Z

MP3422 The Future of Analog IC Technology 6.5A, 600kHz High Efficiency, Synchronous Step-Up Converter with Output Disconnect in 2x2mm QFN Package DESCRIPTION FEATURES The MP3422 is a high-efficiency, synchronous, current–mode, step-up converter with output disconnect. • • • • • • • • • • • • The MP3422 starts up from an input voltage as low as 1.9V, while providing inrush current limiting and output short-circuit protection. The integrated P-channel synchronous rectifier improves efficiency and eliminates the need for an external Schottky diode. This P-channel disconnects the output from the input during shutdown. The 600kHz switching frequency allows small external components, while the internal compensation and soft-start minimize external component count. The MP3422 provides a compact solution for a 5V output, 2.5A load requirement, using a supply voltage down to 2.8V. The MP3422 is available in 14-pin QFN 2mmx2mm package. Up to 98% Efficiency 1.9V to 5.5V Input Range 2.5V to 5.5V Output Range Internal Synchronous Rectifier 600kHz Fixed Switching Frequency >6.5A Switch Current Limit Capability 43uA Quiescent Current High Efficiency over Full Load Range Internal Soft-start and Compensation True Output Load Disconnect from Input OCP, SCP, OVP and OTP Protection Small 2x2mm QFN14 Package APPLICATIONS • • • • • Battery-Powered Products Power Banks, Juice Packs, Battery Back-up Units USB Power Supply Consumer Electronic Accessories Tablets All MPS parts are lead-free and adhere to the RoHS directive. For MPS green status, please visit MPS website under Products, Quality Assurance page. “MPS” and “The Future of Analog IC Technology” are Registered Trademarks of Monolithic Power Systems, Inc. TYPICAL APPLICATION Efficiency vs. Load Current 100 VOUT=5V VIN=4.2V 98 96 94 VIN=3.3V VIN=2.8V 92 90 88 86 84 0 0.5 1 1.5 2 2.5 LOAD CURRENT (A) MP3422 Rev.1.01 8/6/2014 www.MonolithicPower.com MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2014 MPS. All Rights Reserved. 1 MP3422—6.5A, 600KHZ HIGH EFFICIENCY, SYNCHRONOUS, STEP-UP CONVERTER WITH OUTPUT DISCONNECT IN 2X2MM QFN PACKAGE ORDERING INFORMATION Part Number* MP3422GG Package QFN-14 (2mmX2mm) Top Marking See Below * For Tape & Reel, add suffix –Z (e.g. MP3422GG–Z) TOP MARKING CN: product code of MP3422GG; Y: year code; LLL: lot number; PACKAGE REFERENCE TOP VIEW MP3422 Rev.1.01 8/6/2014 PGND 1 PGND 2 SW 3 OUT 4 FB AGND 12 11 10 INA 13 PGND 9 IN 14 SW 8 EN 7 NC 5 6 OUT OUT www.MonolithicPower.com MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2014 MPS. All Rights Reserved. 2 MP3422—6.5A, 600KHZ HIGH EFFICIENCY, SYNCHRONOUS, STEP-UP CONVERTER WITH OUTPUT DISCONNECT IN 2X2MM QFN PACKAGE ABSOLUTE MAXIMUM RATINGS (1) Thermal Resistance SW Pin ................. -0.3V to +6.5V (9V for VOUT 60 60 VIN