Evaluates: MAX MAX17690B No-Opto Flyback Evaluation Kit. General Description. Quick Start. Features. Recommended Equipment.
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1 General Description The MAX7690B evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstrates the operation of an isolated W no-opto flyback DC-DC converter. This circuit uses a MAX7690 in a 6-pin TQFN package with an exposed pad. The data sheet must be read in conjunction with this quick start guide for demo circuit. The EV kit output is configured for an isolated +V and provides up to A of output current. The device switches at a 0kHz switching frequency. The transformer provides the galvanic isolation between input and output, up to 7VAC. Features V to 6V Input Range Isolated Output: V/A DC Compact Design with High-Frequency (0kHz) Switching Minimum Number of External Components.% Peak Efficiency Low-Cost Flyback Design Galvanic Isolation up to 7VAC Proven PCB Layout Fully Assembled and Tested Ordering Information appears at end of data sheet. Quick Start Recommended Equipment One V 6V DC, A power supply W resistive load with A sink capacity Four digital multimeters (DMM) MAX7690EVKITB# Warning: Do not turn on the power supply until all connections are completed. Wear protective eye gear at all times. Do not touch any part of the circuit with bare hands or conductive materials when powered up. Make sure all high-voltage capacitors are fully discharged before handling. Allow minutes after disconnecting the input power source before touching circuit parts. Equipment Setup and Test Procedure ) Set the power supply to +VDC. Disable the power supply output. ) Connect the positive terminal of the power supply to the V IN PCB pad and the negative terminal to the nearest PGND PCB pad. Connect the positive terminal of the electronic load to the V OUT PCB pad and the negative terminal to the nearest GND0 PCB pad. ) Connect the resistive load across the output terminals. ) Connect a DMM configured in voltmeter mode across the V OUT PCB pad and the nearest GND0 PCB pad. ) Enable the power supply. 6) Verify that the output voltmeter displays V and, if required, measure the output current using a DMM in Ammeter mode. 7) If required, vary the input voltage from V to 6V, the load current from 0mA to A, and verify that output voltage is V. 9-; Rev ; /7
2 Detailed Description The MAX7690B EV kit provides a proven design to evaluate the MAX7690 high-efficiency DC-DC flyback converter. The device uses a novel sampling technique to eliminate the optocoupler in the output voltage sensing across the isolation boundary. The transformer design, as well as the selection of different components, are detailed in the MAX7690 IC data sheet. This EV kit provides the programmable soft-start time to limit the inrush current. The IC has overcurrent and thermal protection. EV Kit Performance Report EFFICIEY (%) EFFICIEY vs. LOAD CURRENT V IN = V V IN = V V IN = 6V toc0 OUTPUT VOLTAGE (V) OUTPUT VOLTAGE vs. LOAD CURRENT V IN = V V IN = V V IN = 6V toc LOAD CURRENT (ma) LOAD CURRENT (ma) LOAD TRANSIENT RESPONSE, (LOAD CURRENT STEPPED FROM 00mA to A) toc0 SOFT-START, FULL LOAD toc0 V/div V OUT (AC) 00mV/div V EN/UVLO V/div FIGURE6 APPLICATION CIRCUIT V OUT =V V OUT 00mA/div I OUT 00mA/div.0ms/div ms/div Component Suppliers SUPPLIER WEBSITE Wurth Electronik Murata Americas Panasonic Corp. Note: Indicate that you are using the MAX7690B when contacting these component suppliers. Maxim Integrated
3 MAX7690 EV Kit Bill of Materials S NO Des Qty Description Manufacturer Partnumber- Manufacturer Partnumber- C 7µF±0%, 0V,ALUMINUM-ELECTROLYTIC SMT(CASE_D) PANASONIC EEEFKH70P C, C.7µF±0% 0V X7R Ceramic capacitor (0) Murata GRMER7H7KAK KEMET C0C7KRAC C.µF±0%,0V, X7R ceramic capacitor (00) TDK C0X7RHK C 600pF, 0%, 00V, X7R ceramic capacitor (00) KEMET C00C6KRAC C6,C7 0.07uF±0%,6V, X7R ceramic capacitor (00) Murata GRMR7C7KA0 7 C 70pF ±0%,0V, X7R ceramic capacitor (00) Murata GRMR7H7K KEMET C00S7KRAC C9 0pF ±0%,00V, X7R ceramic capacitor (00) Murata GRMR7AKA0 9 C0, C 00µF±0%, 6.V, X7S ceramic capacitor(0) Murata GRMEC70J07ME 0 C OPEN (00) C 000PF±0%, 00V, 7R ceramic capacitor (06) AVX 06SC0KAT C uf±0%, 0V, X7R ceramic capacitor(00) Murata GRMBR7H0KA SAMSUNG ELECTRONICS CLB0KBFNNNE C 0.0uF±0%, 0V, X7R ceramic capacitor(00) Murata GRMR7H0KA KEMET C00C0KRAC D 00V/A, (POWERDI-), DIODE DIODES IORPORATED DFLS00 D 0.V/A, (POWERDI-), DIODE DIODES IORPORATED SBRU60P 6 D.6V/W, (SMA,DO-AC), ZENER DIODE DIODES IORPORATED SMAZV6-FDITR-ND CENTRAL SEMICONDUCTOR CMZ99B 7 Q 00V/7.A/W, (SO-), MOSFET: H VISHAY SILICONIX SIR69DP-T-GE R, R 0kΩ ±% resistor (00) VISHAY DALE CRCW000K0FK YAGEO PHICOMP RC00FR-070K 9 R 0kΩ ±% resistor (00) PANASONIC ERJ-RKF0X 0 R 0.7kΩ ±% resistor (00) VISHAY DALE CRCW000K7FK R kω ±% resistor (060) VISHAY DALE CRCW060KFK PANASONIC ERJ-EKFV R6 kω ±% resistor (00) VISHAY DALE CRCW00KFK R7 kω ±% resistor (06) VISHAY DALE CRCW06K0FK R 0kΩ ±% resistor (060) VISHAY DALE CRCW0600KFK R9 7.kΩ ±% resistor (00) VISHAY DALE CRCW007KFK 6 R0.kΩ ±% resistor (00) VENKEL LTD CR00-6W-FT VISHAY DALE D0000BF 7 R 7Ω ±% resistor (0) VISHAY DRALORIC CRCW07R0JNEAHP R 0.06Ω ±% resistor (00) PANASONIC ERJ6BWFR06 9 R 00kΩ ±% resistor (00) VISHAY DALE CRCW0000KFK YAGEO PHICOMP RC00FR-0700KL 0 R 0Ω ±0% resistor (00) PANASONIC ERJ-GE0R00X R 0Ω ±% resistor (060) SAMSUNG ELECTRONICS RC60J000CS BOURNS CR060-J/-000ELF R6.Ω ±% resistor (00) VISHAY DALE CRCW00R0FK R7 9.9Ω ±% resistor (060) VISHAY DALE CRCW0609R9FK T EP0,-pin SMT, 6µH ±0%,.6A,(-):(-)=.:,±% WURTH ELECTRONICS I. 70 U MAX7690, TQFN6-EP, Flyback converters MAX7690ATE+ Maxim Integrated
4 MAX7690 EV Kit Schematic 0K C 0.0UF R 0.7K R 0K C 7UF C.7UF LX C UF C.7UF 0 K R 0K.UF R R6 00K K R 7 C R7 600PF K C9 0PF D C A DFLS00. U C MAX7690ATE+ DNP 0.07UF R0.K C 70PF R C7 0K 0.07UF LX R Q SIR69DP-T-GE C 000PF GND0 C0 C 00UF 00UF GND V R6 T D R7 D C A OVI EN/UVLO SGND R PGND R R C R SGND R9 RT SS 0 7.K COMP 9 C6 VOUT GND0 INTVCC NDRV PGND CS EP OVI EN/UVLO FB D G PRI SEC S RIN VCM TC SET Maxim Integrated
5 MAX7690 EV Kit PCB Layout Diagrams MAX7690 EV Kit Top Silkscreen MAX7690 EV Kit Layer MAX7690 EV Kit Top MAX7690 EV Kit Layer Maxim Integrated
6 MAX7690 EV Kit PCB Layout Diagrams (continued) Ordering Information PART MAX7690EVKITB# TYPE EV Kit MAX7690 EV Kit Bottom Maxim Integrated 6
7 Revision History REVISION NUMBER REVISION DATE DESCRIPTION PAGES CHANGED 0 /6 Initial release /6 Updated Typical Operating Characteristics, Bill of Materials, Ordering Information table, and schematic. /7 Updated TOCs, Bill of Materials, and schematic for 0kHz switching frequency 7 6 For pricing, delivery, and ordering information, please contact Maxim Direct at , or visit Maxim Integrated s website at. Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc. 07 Maxim Integrated Products, Inc. 7
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19-4552; Rev 0; 4/09 MAX9918 Evaluation Kit General Description The MAX9918 evaluation kit (EV kit) provides a proven design to evaluate the MAX9918 wide input range, precision unidirectional/bidirectional,
ISL8112EVAL1Z Evaluation Board Setup Procedure
Application Note 9 ISLEVALZ Evaluation Board Setup Procedure The ISL is a dual-output Synchronous Buck controller with A integrated driver. It features high light load efficiency which is especially preferred
Reference Design EBC iw for 5V 1A Mini-TA Charger Design
Reference Design EBC10010 iw1700-01 for 5V 1A Mini-TA Charger Design Table of Contents iw1700-01 For Mini-TA Charger Design (AC Input 90 264V AC, Output 5V 1A) EBC10010 1.0. Introduction...3 2.0. Design
EVHFC0100HS-00A Quasi Resonant Controller
EVHFC0100HS-00A Quasi Resonant Controller Evaluation Board Report 4V 36W AC-DC power supply Design Specs Value Unit Input Voltage 85-65 VAC Output Voltage 4 VDC Output Current 1.5 A Isolation YES MPS IC
August 2014 Rev FEATURES CC1. CC nf. RC k. Fig. 1: XRP76XX Evaluation Board Schematics
XRP7664-65-74-75 2A/3A 8V Synchronous Step-Down Regulator, Constant frequency August 204 Rev. 2.0.0 GENERAL DESCRIPTION The EXAR XRP76XX Evaluation kit is a fully assembled and tested surface-mount PCB
Design Note DN05019/D 200V Boost Regulator
Design Note DN05019/D 200V Boost Regulator Device Application Input Voltage Output Voltage Output Current CS5171 General 12V 200V 20mA Topology Enhanced Boost Circuit Description The following solution
EV8004-QW-00A 13W 802.3af PoE Powered Device Interface with Flyback DC-DC Converter EV Board
The Future of Analog IC Technology EV8004-QW-00A 1W 802.af PoE Powered Device Interface with Flyback DC-DC Converter EV Board DESCRIPTION The MP8004 is an integrated IEEE 802.af PoE compliant Powered Device
S Rail-to-Rail Inputs/Outputs S Accomodates Easy-to-Use 0805 Components S Proven PCB Layout S Fully Assembled and Tested
9-590; Rev 0; /0 MAX96 Evaluation Kit General Description The MAX96 evaluation kit (EV kit) provides a proven design to evaluate the MAX96 low-power, MOS-input operational amplifier (op amp) in a 6-pin
Specifications are at T A = 25 C
Description Demonstration circuit 0A is a V, A micropower synchronous step-down Silent Switcher with spread spectrum frequency modulation featuring the LT 860. The demo board is designed for V output from
MAX9633 Evaluation Kit Evaluates: MAX9633
General Description The MAX9633 evaluation kit (EV kit) provides a proven design to evaluate the MAX9633 dual, low-noise, lowdistortion op amp that is optimized to drive ADCs for use in applications from
SUPPLIER PHONE FAX WEBSITE TDK Maxim Integrated Products 1
19-2574; Rev 0; 9/02 MAX4001 Evaluation Kit General Description The MAX4001 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that evaluates the MAX4001 RF-detecting controller
Maxim Integrated Products 1
19-3533; Rev 0; 1/05 MAX9996 Evaluation Kit General Description The MAX9996 evaluation kit (EV kit) simplifies the evaluation of the MAX9996 UMTS, DCS, and PCS base-station downconversion mixer. It is
MAX13487E Evaluation Kit. Evaluates: MAX13487E/MAX13488E. Features
9-0; Rev ; /08 General Description The MAX87E evaluation kit (EV kit) is a fully assembled and tested PCB that contains a half-duplex RS- 85/RS- AutoDirection-controlled transceiver with ESD protection.
DEMO MANUAL DC2020A LT3955EUHE 60V IN 80V OUT LED Driver. Description
LT3955EUHE 60V IN 80V LED Driver Description Demonstration circuit 2020A is a 60V IN, 80V LED driver. It generates its own PWM waveform from its internal PWM generator for accurate PWM dimming with up
DEMO MANUAL DC2568A LTM4622A Ultrathin Dual 2A Step-Down µmodule Regulator DESCRIPTION BOARD PHOTO
DESCRIPTION Demonstration circuit 568A features the LTM 46A µmodule regulator, a tiny low profile high performance high efficiency dual step-down regulator. The LTM46A has an operating input voltage range
Specifications are at T A = 25 C
DESCRIPTION Demonstration circuit 0A is a A, bidirectional charger/ regulator featuring the LTC 6, a bidirectional synchronous step-up charger and step-down converter. DC0A implements backup by charging
EZ6301QI Triple Output Module
Evaluation board user guide enpirion power solutions EZ6301QI Triple Output Module 1.5A DC-DC Buck Module with 2 x 300mA LDOs EVALUATION BOARD OVERVIEW 3 2 2 1 1 2 2 3 6 5 5 1 7 5 8 2 2 3 4 Figure 1: Evaluation
August 2011 Rev FEATURES. Fig. 1: XRP7618 Evaluation Board Schematics
August 2011 Rev. 2.2.0 GENERAL DESCRIPTION The is an 8-channel, high voltage, constant-current sink LED driver capable of sinking up to 100mA current per channel. With outputs rated at 30V, the can control
MAX44265 Evaluation Kit Evaluates: MAX44265
19-5782; Rev 0; 3/11 MAX44265 Evaluation Kit General Description The MAX44265 evaluation kit (EV kit) provides a proven design to evaluate the MAX44265 low-power, MOS-input operational amplifier (op amp)
ZXLD1370/1EV4 User Guide 1.5A 40W Buck-Boost LED Driver
General Description The ZXLD1370/1 EV4 1.5A board uses the Buck- Boost topology working at Boundary Conduction Mode. It can perform step-down or boost up power conversion according to the output LEDs load
LM5030 Evaluation Board
LM5030 Evaluation Board Introduction The LM5030EVAL evaluation board provides the design engineer with a fully functional push-pull power converter using the LM5030 PWM controller. The performance of the
Supertex inc. HV9911DB2 Boost LED Driver Demoboard with 1:3000 Dimming Ratio and Excellent Current Regulation. Board Layout and Connection Diagram
The is an LED driver capable of driving up to twenty 100mA LEDs in series from an input of 9-16V DC. The demoboard uses Supertex s HV9911 IC in a boost topology. The converter has a very good initial regulation,
Reference Design EBC iw for 12V 600mA Network Adapter Design
Reference Design EBC10011 iw1706-00 for 12V 600mA Network Adapter Design Table of Contents iw1706-00 For Network Adapter Design (AC Input 90 264V AC, Output 12V 600mA) EBC10011 1.0. Introduction...3 2.0.