mEZD71201A Series 4.5V - 24V Input, 1A, DC/DC Power Supply FEATURES 4.5V to 24V Wide Operating Input 1A 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 - 24 G: 6.5 - 24 Part Number MEZD71201A-X 1 A = 1.0V E = 2.5V VOUT VOUT Part Number Input Voltage (V) mEZD71201A-X 4.5 – 24 mEZD71202A-X 4.5 – 24 mEZD71203A-X 4.5 - 16 mEZD71210A-A 4.5 – 17 mEZD71201A-x 2.2µF 10µF GND 1 B = 1.2V F = 3.3V C = 1.5V G = 5.0V D = 1.8V mEZD712xx FAMILY PRODUCTS 3 VIN Output Current (A) Output Voltage Options mEZ Product Options: 1. Ready-to-Use products 2. Do-It-Yourself. Manufacture assistance is provided VIN Output Voltage (V) 1, 1.2, 1.5, 1.8, 2.5, 3.3, 5 2 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 1, 1.2, 1.5, 1.8, 2.5, 3.3 Output Current (A) 1 10 1 2 3 ELECTRICAL CHARACTERISTICS Input Voltage Range Typical Application Circuit VIN_MIN higher than VOUT by 1V Output Voltage Set Accuracy Efficiency vs. Load Current VIN=12V, VOUT = 1V - 5V 100 4.5 or 6.5 to 24V ±2.5% (Typ.) Output Voltage Ripple VIN= 12V, VOUT= 3.3V, Full Load 28mV Line Regulation VIN from MIN to MAX, VOUT= 3.3V ±1% (Typ.) Load Regulation IOUT from MIN to MAX, VOUT= 3.3V ±1% (Typ.) Switching Frequency Typical Switching Frequency 400kHz Short-Circuit Protection Short Output to Ground Hiccup Mode Efficiency (%) 95 90 85 80 VOUT=1.0V 75 VOUT=1.2V 70 VOUT=1.8V 65 VOUT=3.3V VOUT=1.5V Operating Temperature Range VOUT=2.5V VOUT=5V 60 0 0.2 0.4 0.6 Load Current (A) 0.8 1 -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 4185x103hrs NOTE: All electrical characteristics are tested under 25°C ambient temperature, VIN=12V unless otherwise noted. mEZD71201A Rev. 1.5 2/23/2018 www.MonolithicPower.com MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2018 MPS. All Rights Reserved. 1 mEZD71201A Series 4.5V - 24V Input, 1A, DC/DC Power Supply DO-IT-YOURSELF SCHEMATIC POWER DERATING VIN=12V, VOUT=3.3Vand 5V 120 C1 VIN VOUT 100 SW R1 C3 C4 Output Power (%) C2 L1 BST VIN VOUT EN DIY71201-AX C5 VCC ADD 60 VOUT=3.3V 40 VOUT=5V 20 AGND PGND GND 80 Natural Convection 0 Inside mEZD71201A-X 25 45 65 85 105 Ambient Temperature ( OC) 125 BILL OF MATERIALS Item Qty RefDes Value Description Package Manufacturer Manufacturer P/N 1 2 1 1 C1 C2 0.22µF 4.7µF Ceramic Cap., 16V, X5R Ceramic Cap., 50V, X7R 0402 1206 muRata muRata 3 2 C3, C4 22µF Ceramic Cap., 10V, X7T/X5R 0805 muRata 4 5 1 1 C5 L1* 1µF 4.7µH Ceramic Cap., 10V, X5R Idc 3.1A, DCR 45.6mΩ 0402 5.5x5x3mm muRata Panasonics GRM155R61C224KA12D GRM31CR71H475KA12L GRM21BD71A226ME44L/ GRM21BR61A226ME51L GRM155R61A105KE01D ETQP3M4R7KVP 6 1 R1 499kΩ 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 1 2 3 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). SIDE VIEW mEZD71201A Rev. 1.5 2/23/2018 For more information, Gerber files, and PCB layout, please contact [email protected] www.MonolithicPower.com MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2018 MPS. All Rights Reserved. 2