mEZD71203A Series 5V - 16V Input, 3A, DC/DC Power Supply FEATURES 5V to 16V Wide Operating Input Over-Current Protection 3A 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) 1, 1.2, 1.5, 1.8, 5 - 16 MEZD71203A-X 3 2.5, 3.3 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 2. Do-It-Yourself. Manufacture assistance is provided mEZD712xx FAMILY PRODUCTS Input Voltage Output Voltage Output Current Part Number (V) (V) (A) 1, 1.2, 1.5, 1.8, V V OUT IN 1 mEZD71201A-X 4.5 24 1 3 2.5, 3.3, 5 VIN VOUT 1, 1.2, 1.5, 1.8, mEZD71202A-X 4.5 24 2 2.5, 3.3, 5 mEZD71203A-x 1, 1.2, 1.5, 1.8, mEZD71203A-X 5 - 16 3 2.5, 3.3 2.2F 10F GND mEZD71210A-A 4.5 17 1 10 2 ELECTRICAL CHARACTERISTICS Input Voltage Range VIN MIN higher than VOUT by 1V 5 to 16V Typical Application Circuit Output Voltage Set 2.5% (Typ.) Accuracy Efficiency vs. Load Current VIN=12V, VOUT = 1V 3.3V Output Voltage Ripple VIN= 12V, VOUT= 3.3V, Full Load 30.4mV 95 Line Regulation V from MIN to MAX, V = 3.3V 1% (Typ.) IN OUT 90 Load Regulation IOUT from MIN to MAX, VOUT= 3.3V 1% (Typ.) 85 Switching Frequency Typical Switching Frequency 400kHz 80 Short-Circuit Protection Short Output to Ground Hiccup Mode VOUT=1.0V 75 VOUT=1.2V VOUT=1.5V Operating Temperature 70 -40 to 85C VOUT=1.8V Range VOUT=2.5V 65 VOUT=3.3V Over-Temperature OTP 150C 60 Protection 0 0.5 1 1.5 2 2.5 3 Load Current (A) Rise Time V from 0% to 90% 0.8ms (Typ.) OUT 3 Calculated MTBF MIL-HDBK-217F 4185x10 hrs NOTE: All electrical characteristics are tested under 25C ambient temperature, V =12V unless otherwise noted. IN mEZD71203A Rev. 1.3 www.MonolithicPower.com 1 2/26/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2018 MPS. All Rights Reserved. Efficiency (%)mEZD71203A Series 5V - 16V Input, 3A, DC/DC Power Supply DO-IT-YOURSELF SCHEMATIC POWER DERATING V =12V, V =3.3V IN OUT C1 VIN 120 L1 BST VOUT VIN SW C2 100 R1 C3 C4 VOUT=3.3V VOUT 80 EN DIY71203-AX 60 VCC 40 ADD C5 20 Natural Convection AGND PGND GND 0 Inside mEZD71203A-X 25 45 65 85 105 125 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 DIY71203-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) PRODUCT PACKAGE AND DIMENSIONS Pin Designation Function 1 VIN Input Voltage 2 GND Power Ground 3 VOUT Output Voltage 1 2 3 TOP VIEW BOTTOM 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 mEZD71203A Rev. 1.3 www.MonolithicPower.com 2 2/26/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2018 MPS. All Rights Reserved. Output Power (%)