mEZD71201A Series 4.5V - 24V Input, 1A, DC/DC Power Supply FEATURES 4.5V to 24V Wide Operating Input Over-Current Protection 1A 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, 1 MEZD71201A-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 is provided mEZD712xx FAMILY PRODUCTS Input Voltage Output Voltage Output Current Part Number (V) (V) (A) V V OUT 1, 1.2, 1.5, 1.8, IN 1 3 mEZD71201A-X 4.5 24 1 VIN VOUT 2.5, 3.3, 5 1, 1.2, 1.5, 1.8, mEZD71202A-X 4.5 24 2 2.5, 3.3, 5 mEZD71201A-x 1, 1.2, 1.5, 1.8, mEZD71203A-X 4.5 - 16 3 2.2F 10F GND 2.5, 3.3 2 mEZD71210A-A 4.5 17 1 10 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 V =12V, V = 1V - 5V IN OUT Output Voltage Ripple V = 12V, V = 3.3V, Full Load 28mV IN OUT 100 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 VOUT=1.0V Short-Circuit Protection Short Output to Ground Hiccup Mode VOUT=1.2V 75 VOUT=1.5V Operating Temperature VOUT=1.8V -40 to 85C 70 VOUT=2.5V Range VOUT=3.3V 65 VOUT=5V Over-Temperature OTP 150C 60 Protection 0 0.2 0.4 0.6 0.8 1 Load Current (A) Rise Time V from 0% to 90% 0.75ms (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 mEZD71201A Rev. 1.5 www.MonolithicPower.com 1 2/23/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2018 MPS. All Rights Reserved. Efficiency (%)mEZD71201A Series 4.5V - 24V Input, 1A, DC/DC Power Supply DO-IT-YOURSELF SCHEMATIC POWER DERATING V =12V, V =3.3Vand 5V IN OUT 120 C1 VIN L1 BST VOUT VIN 100 SW C2 R1 C3 C4 80 VOUT EN DIY71201-AX 60 VOUT=3.3V VCC 40 ADD C5 VOUT=5V 20 AGND PGND Natural Convection GND 0 Inside mEZD71201A-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* 4.7H Idc 3.1A, DCR 45.6m 5.5x5x3mm Panasonics ETQP3M4R7KVP 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 DIY71201-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 3 VOUT Output Voltage 1 2 3 TOP VIEW BOTTOM VIEW NOTE: Contact factory for different sizes of the boards (Quantity>2k). SIDE VIEW For more information, Gerber files, and PCB layout, please contact mEZsupport monolithicpower.com mEZD71201A Rev. 1.5 www.MonolithicPower.com 2 2/23/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2018 MPS. All Rights Reserved. Output Power (%)