mEZD71202A Series 4.5V - 24V Input, 2A, DC/DC Power Supply FEATURES 4.5V to 24V Wide Operating Input Over-Current Protection 2A Load Current Over-Temperature Protection Hiccup Short-Circuit Protection Open Design Files and BOM Over-/Under-Voltage Protection ORDERING INFORMATION Input Voltage Output Voltage Output Current Part Number (V) (V) (A) A - F: 4.5 - 24 1, 1.2, 1.5, 1.8, 2 MEZD71202A-X G: 6.5 - 24 2.5, 3.3, 5 Output Voltage Options mEZ Product Options: A = 1.0V B = 1.2V C = 1.5V D = 1.8V 1. Ready-to-Use products E = 2.5V F = 3.3V G = 5.0V 2. Do-It-Yourself. Manufacture assistance mEZD712xx FAMILY PRODUCTS is provided Input Voltage Output Voltage Output Current Part Number (V) (V) (A) 1, 1.2, 1.5, 1.8, mEZD71201A-X 4.5 24 1 V V OUT 2.5, 3.3, 5 IN 1 3 VIN VOUT 1, 1.2, 1.5, 1.8, mEZD71202A-X 4.5 24 2 2.5, 3.3, 5 1, 1.2, 1.5, 1.8, mEZD71203A-X 4.5 - 16 3 mEZD71202A-x 2.5, 3.3 10F 2.2F GND mEZD71210A-A 4.5 17 1 10 2 ELECTRICAL CHARACTERISTICS Input Voltage Range V higher than V by 1V 4.5 or 6.5 to 24V IN MIN OUT Typical Application Circuit Output Voltage Set 2.5% (Typ.) Accuracy Efficiency vs. Load Current Output Voltage Ripple V = 12V, V = 3.3V, Full Load 33.6mV IN OUT V =12V, V = 1V - 5V IN OUT Line Regulation VIN from MIN to MAX, VOUT= 3.3V 1% (Typ.) 95 Load Regulation IOUT from MIN to MAX, VOUT= 3.3V 1% (Typ.) 90 Switching Frequency Typical Switching Frequency 400kHz 85 80 Short-Circuit Protection Short Output to Ground Hiccup Mode VOUT=1.0V 75 VOUT=1.2V Operating Temperature -40 to 85C VOUT=1.5V Range 70 VOUT=1.8V VOUT=2.5V Over-Temperature VOUT=3.3V 65 OTP 150C VOUT=5V Protection 60 Rise Time V from 0% to 90% 0.75ms (Typ.) OUT 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 Load Current (A) 3 Calculated MTBF MIL-HDBK-217F 4185x10 hrs NOTE: All electrical characteristics are tested under 25C ambient temperature, V =12V unless otherwise noted. IN mEZD71202A Rev. 1.4 www.MonolithicPower.com 1 2/26/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2018 MPS. All Rights Reserved. Efficiency (%)mEZD71202A Series 4.5V - 24V Input, 2A, DC/DC Power Supply DO-IT-YOURSELF SCHEMATIC POWER DERATING VIN=12V, VOUT=3.3Vand 5V C1 120 VIN L1 BST VOUT VIN 100 SW C2 R1 C3 C4 80 VOUT EN 60 DIY71202-AX VOUT=3.3V 40 VCC VOUT=5V ADD C5 20 Natural Convection AGND PGND GND 0 25 45 65 85 105 125 Inside mEZD71202A-X O Ambient Temperature ( C) BILL OF MATERIALS Item Qty RefDes Value Description Package Manufacturer Manufacturer P/N 1 1 C1 0.22F Ceramic Cap., 16V, X5R 0402 muRata GRM155R61C224KA12D 2 1 C2 4.7F Ceramic Cap., 50V, X7R 1206 muRata GRM31CR71H475KA12L GRM21BD71A226ME44L/ 3 2 C3, C4 22F Ceramic Cap., 10V, X7T/X5R 0805 muRata GRM21BR61A226ME51L 4 1 C5 1F Ceramic Cap., 10V, X5R 0402 muRata GRM155R61A105KE01D 5 1 L1* 3.3H Idc 4.1A, DCR 27.3m 5.5x5x3mm Panasonics ETQP3M3R3KVP 6 1 R1 499k Film Res., 1% 0402 Yageo RC0402FR-07499KL 7 1 P1 3-pin 3-pin male connector, right angle Bulk MYIC MPS010SRRA-3 8 1 U1 Synchronous Step-Down Converter FCQFN3x3-16 MPS DIY71202-AX** * Or equivalent. ** -X Output voltage options (A: 1.0V, B: 1.2V, C: 1.5V, D: 1.8V, E: 2.5V, F: 3.3V, G: 5.0V) PRODUCT PACKAGE AND DIMENSIONS Pin Designation Function 1 VIN Input Voltage 2 GND Power Ground 1 2 3 TOP VIEW BOTTOM VIEW 3 VOUT Output Voltage NOTE: Contact factory for different sizes of the boards (Quantity>2k). For more information, Gerber files, and PCB layout, please contact SIDE VIEW mEZsupport monolithicpower.com mEZD71202A Rev. 1.4 www.MonolithicPower.com 2 2/26/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2018 MPS. All Rights Reserved. Output Power (%)