mEZD71210A-A Monolithic Power Systems

mEZD71210A-A 4.5V - 17V Input, 10A, DC/DC Power Supply FEATURES 4.5V to 17V Wide Operating Input Over-Current Protection 10A Load Current Over-Temperature Protection 1V Output Voltage Open Design Files and BOM 2 I C Programmable ORDERING INFORMATION Input Voltage Output Voltage Output Current Part Number (V) (V) (A) MEZD71210A-A 4.5 - 17 1.0 10 Do-It-Yourself Option Available mEZD712xx FAMILY PRODUCTS Input Voltage Output Voltage Output Current Part Number (V) (V) (A) 1, 1.2, 1.5, 1.8, Power Derating mEZD71201A-X 4.5 - 24 1 2.5, 3.3, 5 VIN = 12V, VOUT = 1V 1, 1.2, 1.5, 1.8, mEZD71202A-X 4.5 - 24 2 120 2.5, 3.3, 5 1, 1.2, 1.5, mEZD71203A-X 5 - 16 3 100 1.8, 2.5, 3.3 Natural Convection mEZD71210A 4.5 - 17 1.0 10 80 60 ELECTRICAL CHARACTERISTICS 40 Input Voltage Range VIN Continuous 4.5 to 17V 20 Output Voltage Set 2.4% (Typ.) Accuracy 0 Output Voltage Ripple VIN = 12V, VOUT = 1V, Full Load 15mV 25 45 65 85 105 125 O Ambient Temperature ( C) Line Regulation VIN from MIN to MAX, VOUT = 1V 1% (Typ.) Efficiency vs. Load Current Load Regulation I from MIN to MAX, V = 1V 1% (Typ.) OUT OUT VIN = 4.5V, 12V, and 17V, VOUT = 1V 100 Switching Frequency Typical Switching Frequency 500kHz 95 90 Short-Circuit Protection Short Output to Ground Hiccup Mode 85 Operating Temperature -40 to 85C 80 Range VIN=4.5V 75 Over-Temperature OTP 160C VIN=12V Protection 70 VIN=17V 65 Rise Time V from 0% to 90% 1.6ms (Typ.) OUT 60 3 0 2 4 6 8 10 Calculated MTBF MIL-HDBK-217F 4185x10 hrs Load Current(A) NOTE: All electrical characteristics are tested under 25C ambient temperature, VIN = 12V unless otherwise noted. mEZD81225A Rev. 1.0 www.MonolithicPower.com 1 3/1/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. Preliminary Specifications Subject to Change 2017 MPS. All Rights Reserved. Output Power (%) Efficiency(%)mEZD71210A 4.5V - 17V Input, 10A, DC/DC Power Supply DO-IT-YOURSELF SCHEMATIC C5 Inside mEZD71210A 0.1uF L1 1 BST 1.2uH VIN VIN R3 8,9,10 SW VOUT 499k C1A C1B C1C EN C2A C2B C2C C2D 22uF 22uF 0.1uF 22uF 22uF 22uF 22uF VCC VOUT C3 R4 R5 100k 0.47uF NS R1 C6 3 R7 PG PG 80.6k 22pF 10k FB A0 R6,NS 4 SCL R2 SCL 5 SS SDA SDA 120k AGND PGND C4 2,6,7 GND 22nF BILL OF MATERIALS Item Qty RefDes Value Description Package Manufacturer Manufactuer P/N C1A, C1B, C2A, 1 6 22F Ceramic Cap, 25V, X5R 805 muRata GRM21BR61E226ME44L C2B, C2C, C2D 2 1 C1C 0.1F Ceramic Cap, 25V, X7R 603 WE 885012206071 3 1 C3 0.47F Ceramic Cap, 10V, X7R 402 muRata GRM155R71A474KE15 4 1 C4 22nF Ceramic Cap, 16V, X7R 402 WE 885012205033 5 1 C5 0.1F Ceramic Cap, 16V, X7R 402 WE 885012205037 6 1 C6 22pF Ceramic Cap, 50V, C0G 402 WE 885012005057 7 1 R1 80.6k Film Res, 0.5% 402 Yageo RC0402DR-0780K6L 8 1 R2 120k Film Res, 0.5% 402 Yageo RC0402DR-07120KL 9 1 R3 499k Film Res, 0.5% 402 Yageo RC0402DR-07499KL 10 1 R4 100k Film Res, 0.5% 402 Yageo RC0402DR-07100KL 11 0 R5, R6 NS 12 1 R7 10k Film Res, 0.5% 402 Yageo RC0402DR-0710KL DCR = 1.8m, SMD, 13 1 L1 1.2H WE 744325120 Isat = 20A 10mmx10mm Step-Down Converter QFN-16 14 1 U1 MP8869 MPS MP8869GLE 2 with I C Interface (3mmx4mm) 15 1 JP1 10-Pin Connector WE 61301011021 PRODUCT PACKAGE AND DIMENSIONS Pin Designation Function 1 VIN Input Voltage 2 GND Power Ground 3 PG Power Good 2 4 SCL I C Serial Clock 2 5 SDA I C Serial Data 1 2 3 4 5 6 7 8 9 10 6 GND Power Ground 7 GND Power Ground TOP VIEW BOTTOM VIEW 8 VOUT Output Voltage 9 VOUT Output Voltage 10 VOUT Output Voltage NOTE: Contact fac tory for different sizes of the boards (Quantity >2k). SIDE VIEW For more information, Gerber files, and PCB layout, please contact mEZsupport monolithicpower.com mEZD81225A Rev. 1.0 www.MonolithicPower.com 2 3/1/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. Preliminary Specifications Subject to Change 2017 MPS. All Rights Reserved.