MEZD72402A-A

mEZD72402A Series 4.5V - 36V Input, 2A, DC/DC Power Supply FEATURES     4.5V to 36V Wide Operating Input 2A Load Current Hiccup Short-Circuit Protection Over-/Under-Voltage Protection    Over-Current Protection Over-Temperature Protection Open Design Files and BOM ORDERING INFORMATION Input Voltage (V) A - F: 4.5 - 36 G: 6.5 - 36 Part Number MEZD72402A-X Output Voltage (V) 1, 1.2, 1.5, 1.8, 2.5, 3.3, 5 Output Current (A) 2 Output Voltage Options Manufacture Yourself Available A = 1.0V E = 2.5V Design Files Available for Manufacture B = 1.2V F = 3.3V C = 1.5V G = 5.0V D = 1.8V Power Derating VIN = 24V, VOUT = 3.3V and 5V mEZD724xx FAMILY PRODUCTS 120 Natural Convection Part Number Input Voltage (V) mEZD72401A-X 4.5 - 36 mEZD72402A-X 4.5 - 36 Output Power (%) 100 80 Output Current (A) 1 2 60 ELECTRICAL CHARACTERISTICS 40 VOUT=3.3V Input Voltage Range VOUT=5V 20 VIN_MIN higher than VOUT by 1V Output Voltage Set Accuracy 0 25 45 65 85 105 Ambient Temperature ( OC) 4.5 or 6.5 to 36V ±2.5% (Typ.) 125 Output Voltage Ripple VIN = 24V, VOUT = 3.3V, Full Load 26.4mV Line Regulation VIN from MIN to MAX, VOUT = 3.3V ±1% (Typ.) Load Regulation IOUT from MIN to MAX, VOUT = 3.3V ±1% (Typ.) 95 Switching Frequency Typical Switching Frequency 400kHz 90 Short-Circuit Protection Short Output to Ground Hiccup Mode 85 Operating Temperature Range Efficiency vs. Load Current VIN = 24V, VOUT = 1V - 5V Efficiency (%) Output Voltage (V) 1, 1.2, 1.5, 1.8, 2.5, 3.3, 5 1, 1.2, 1.5, 1.8, 2.5, 3.3, 5 80 75 VOUT=1.0V VOUT=1.2V VOUT=1.5V 70 VOUT=1.8V VOUT=2.5V 65 -40 to 85°C Over-Temperature Protection OTP 150°C Rise Time VOUT from 0% to 90% 0.75ms (Typ.) Calculated MTBF MIL-HDBK-217F 4185x103 hrs VOUT=3.3V VOUT=5V 60 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 Load Current (A) 2 NOTE: All electrical characteristics are tested under 25°C ambient temperature, VIN = 24V unless otherwise noted. mEZD72402A Rev. 1.1 www.MonolithicPower.com 3/8/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. Preliminary Specifications Subject to Change © 2017 MPS. All Rights Reserved. 1 mEZD72402A Series 4.5V - 36V Input, 2A, DC/DC Power Supply DO-IT-YOURSELF SCHEMATIC C1 VIN R1 C2 L1 BST VIN VOUT SW EN C5 C3 VCC C4 VOUT MPDIY72402A ADD AGND PGND GND Inside mEZD72402A-X BILL OF MATERIALS Item Qty RefDes Value Description Package Manufacturer Manufacturer P/N 1 1 C1 0.22µF Ceramic Cap., 16V, X5R 0402 WE 885012105017 2 1 C2 4.7µF Ceramic Cap., 50V, X7R 1206 WE 885012208094 3 2 C3, C4 47µF Ceramic Cap., 10V, X5R 0805 WE 885012107011 4 1 C5 1µF Ceramic Cap., 10V, X5R 0402 WE 885012105012 5 1 L1 5.6µH Idc 3.3A, DCR 63mΩ 5.5x5.2mm WE 74437336056 6 1 R1 499kΩ Film Res., 5% 0402 Yageo RC0402JR-07499KL 7 1 P1 3-Pin 3-Pin Male Connector, Right Angle Bulk TEConnectivity 571-3-644457-3 8 1 U1 MPDIY72402A Synchronous Step-Down Converter QFN-16 MPS MPDIY72402A PRODUCT PACKAGE AND DIMENSIONS Pin Designation Function 1 VIN Input Voltage 2 GND Power Ground 3 VOUT Output Voltage BOTTOM VIEW TOP VIEW NOTE: Contact factory for different sizes of the boards (Quantity >2k). For more information, Gerber files, and PCB layout, please contact mEZsupport@monolithicpower.com SIDE VIEW mEZD72402A Rev. 1.1 www.MonolithicPower.com 3/8/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. Preliminary Specifications Subject to Change © 2017 MPS. All Rights Reserved. 2