MAXM15062

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Document overview

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• PDF pages: 10

Technical content

Features

• Highly Integrated Solution
• Wide 5.5V to 48V Input Range
• Fixed 3.3V Output, Delivers Up To 300mA Output Current
• High 80.46% Efficiency (VIN = 24V, VOUT = 3.3V at 150mA)
• 500kHz Switching Frequency
• ENABLE/UVLO Input, Resistor-Programmable UVLO Threshold
• PFM Feature for Better Light-Load Efficiency
• Fixed Internal 4.1ms Soft-Start Time
• RESET Output, with Pullup Resistor to V CC
• Overcurrent and Overtemperature Protection (OCP and OTP)
• Low-Profile, Surface-Mount Components
• Proven PCB Layout
• Fully Assembled and Tested
• Complies with CISPR22(EN55022) Class B Conducted and Radiated Emissions 319-100325; Rev 0; 3/19 Ordering Information appears at end of data sheet. Quick Start Recommended Equipment
• One 4.5V to 60V, 300mA power supply
• 1W resistive load with 300mA sink capacity
• Four digital multimeters (DMM)
• MAXM15062EVKIT# Equipment Setup and Test Procedure The EV kit is fully assembled and tested. Follow the steps below to verify the board operation. Caution: Do not turn on power supply until all connections are completed. 1) Set the power supply at a voltage between 4.5V and 60V. Then, disable the power supply. 2) Connect the positive terminal of the power supply to the VIN PCB pad and the negative terminal to the nearest GND PCB pad. Connect the positive termi - nal of the 300mA load to the VOUT PCB pad and the negative terminal to the nearest GND PCB pad. 3) Connect the DVM (DMM in voltage-measurement mode) across the VOUT PCB pad and the nearest GND PCB pad. 4) Verify that shunt is not installed on jumper J1 (see Table 1 for details). 5) Turn on the DC power supply. 6) Enable the load. 7) Verify that the DVM displays 3.3V. Click here for production status of specific part numbers.

output voltage is in regulation. from Table 1 of the MAXM15062 data sheet as 10µF/6.3V. FB of MAXM15062 directly to VOUT for feedback control. able MAXM15062, install a jumper across pins 2-3 on J1. the noise injected back into the input power source. board, helps in attenuating high frequency noise. Table 1. UVLO Enable/Disable Configuration (J1) 1-2 Connected to VIN Enabled if VIN is greater than VIN(MIN).

Figure 1. EMI Filter Components Table 2. Mode of Operation (J2) Not Installed* Operates in PFM mode at light-load conditions.

Maxim Integrated │ 4 www.maximintegrated.com Evaluates: MAXM15062 3.3V Output-Voltage Application MAXM15062 3.3V Output Evaluation Kit EV Kit Performance Report (continued) toc07 2µs/div VOUT (AC) 10mV/div OUTPUT VOLTAGE RIPPLE VIN = 24V, VOUT = 3.3V, FULL LOAD, PWM MODE 3.300 3.302 3.304 3.306 3.308 3.310 0 30 60 90 120 150 180 210 240 270 300 OUTPUT VOLTAGE (V) LOAD CURRENT (mA) OUTPUT VOLTAGE vs. LOAD CURRENT VOUT = 3.3V, PWM MODE toc04 VIN = 36V VIN = 5.5V VIN = 24VVIN = 12V VIN = 48V 100mV/div 100mA/div toc08 100µs/div VOUT (AC) IOUT LOAD TRANSIENT RESPONSE VIN = 24V, VOUT = 3.3V, PFM MODE (LOAD CURRENT STEPPED FROM 5mA TO 150mA) 3.25 3.27 3.29 3.31 3.33 3.35 3.37 3.39 0 30 60 90 120 150 180 210 240 270 300 OUTPUT VOLTAGE (V) LOAD CURRENT (mA) OUTPUT VOLTAGE vs. LOAD CURRENT VOUT = 3.3V, PFM MODE toc05 VIN = 36V VIN = 5.5V VIN = 24V VIN = 12V VIN = 48V -90 -60 -30 1k 10k 100k -80 -60 -40 -20 PHASE MARGIN (⁰) GAIN (dB) FREQUENCY (Hz) GAIN toc10 PHASE CROSSOVER FREQUENCY = 46.091kHz PHASE MARGIN = 60.693° BODE PLOT VIN = 24V, VOUT = 3.3V, FULL LOAD, PWM MODE 50mV/div 100mA/div toc09 100µs/div VOUT (AC) IOUT LOAD TRANSIENT RESPONSE VIN = 24V, VOUT = 3.3V, PWM MODE (LOAD CURRENT STEPPED FROM 150mA TO 300mA) toc12 FREQUENCY(Hz) RADIATED EMISSION PLOT (C6 = 0.1µF, C7, C8, C9= OPEN, L1 = SHORT) MAGNITUDE (dBµV/m) -10 100M30M CONDITIONS : VIN = 24V, VOUT = 3.3V, IOUT = 0.3A CISPR-22 CLASS B QP LIMIT VERTICAL SCAN HORIZONTAL SCAN 3.3000 3.3015 3.3030 3.3045 3.3060 3.3075 3.3090 0 10 20 30 40 50 OUTPUT VOLTAGE (V) INPUT VOLTAGE(V) OUTPUT VOLTAGE vs. INPUT VOLTAGE VOUT = 3.3V, PWM MODE toc06 IOUT = 0A IOUT = 200mA IOUT = 100mA IOUT = 300mA toc11 FREQUENCY(Hz) CONDUCTED EMISSION PLOT (EMI FILTER: C6, C7 = 0.1µF, C8= 0.47µF, L1 = 82µH, C9 = 1µF) MAGNITUDE (dBµV) 150k 1M 10M CONDITIONS : VIN = 24V, VOUT = 3.3V, IOUT = 0.3A CISPR-22 CLASS B QP LIMIT PEAK EMISSION AVERAGE EMISSION CISPR-22 CLASS B AVG LIMIT

Maxim Integrated │ 5 www.maximintegrated.com Evaluates: MAXM15062 3.3V Output-Voltage Application MAXM15062 3.3V Output Evaluation Kit #Denotes RoHS compliant. Note: Indicate that you are using the MAXM15062 when contacting these component suppliers. SUPPLIER WEBSITE Murata Americas www.murata.com NEC TOKIN America, Inc. www.nec-tokinamerica.com Panasonic Corp. www.panasonic.com SANYO Electric Co., Ltd. www.sanyodevice.com TDK Corp. www.component.tdk.com TOKO America, Inc. www.tokoam.com PART TYPE MAXM15062EVKIT# EV Kit ITEM QTY DESIGNATION DESCRIPTION MANUFACTURER PARTNUMBER-1 MANUFACTURER PARTNUMBER-2 1 1 C1 0.1µF±10%,100V, X7R ceramic capacitor (0603) MURATA GRM188R72A104KA35 2 1 C2 4.7µF±20%,100V, Aluminimum Capacitor NICHICON UUR2A4R7MCL6GS 3 1 C3 1µF±10%,100V, X7R ceramic capacitor (1206) MURATA GRM31CR72A105KA01L TDK C3216X7R2A105K160 4 1 C4 1µF±10%,16V, X7R ceramic capacitor (0603) MURATA GRM188R71C105KA12 TDK C1608X7R1C105K 5 1 C5 10µF±10%,6.3V, X7R ceramic capacitor (1206) MURATA GRM31CR70J106K 6 1 C6 OPEN (OPTIONAL : 0.1µF ±10%, 50V, X7R ceramic capacitor (0603)) Murata GRM188R71H104KA93 7 1 R1 2.2MΩ ±1% resistor (0402) VISHAY DALE CRCW04022M20FK 8 1 R2 634kΩ ±1% resistor (0402) VISHAY DALE CRCW0402634KFK 9 1 R3 100kΩ ±1% resistor (0402) VISHAY DALE CRCW0402100KFK YAGEO PHICOMP RC0402FR-07100KL 10 1 U1 MAXM15062, 10-pin micro-SLIC Power Module MAXIM MAXM15062AMB+T 11 1 L1 OPTIONAL : 82µH Shielded Wirewound Inductor(2016) Murata LQH2MPN820MGRL 12 1 C7 OPTIONAL : 0.1µF ±10%,100V, X7R ceramic capacitor (0603) MURATA GRM188R72A104KA35 13 1 C8 OPTIONAL : 0.47µF±10%,100V, X7R ceramic capacitor (1206) Murata GRM31MR72A474KA35L 14 1 C9 1µF±10%,100V, X7R ceramic capacitor (1206) MURATA GRM31CR72A105KA01L TDK C3216X7R2A105K160 Ordering Information Component Suppliers MAXM15062 3.3V EV Kit Bill of Materials

Maxim Integrated │ 6 www.maximintegrated.com Evaluates: MAXM15062 3.3V Output-Voltage Application MAXM15062 3.3V Output Evaluation Kit 1 U1 LX MODE EN/UVLO RESET PGND VOUT GND VIN 100V 0.1UF 4.7UF 100V 100V 1UF 16V 6.3V VIN VCC VCC VOUT MAXM15062 10UF 100K 634K 1UF 2.2M OPEN VIN VIN EN/UVLO VCC FB OUT MODE RESET GND LX MAXM15062 3.3V EV Kit Schematic

Maxim Integrated │ 7 www.maximintegrated.com Evaluates: MAXM15062 3.3V Output-Voltage Application MAXM15062 3.3V Output Evaluation Kit MAXM15062 EV Kit PCB Layout—Silk Top MAXM15062 EV Kit PCB Layout—Top Layer MAXM15062 3.3V EV Kit PCB Layout Diagrams 1.0’’ 1.0’’

Maxim Integrated │ 8 www.maximintegrated.com Evaluates: MAXM15062 3.3V Output-Voltage Application MAXM15062 3.3V Output Evaluation Kit MAXM15062 EV Kit PCB Layout—Layer 3 Power MAXM15062 EV Kit PCB Layout—Layer 2 Ground MAXM15062 3.3V EV Kit PCB Layout Diagrams (continued) 1.0’’ 1.0’’

Maxim Integrated │ 9 www.maximintegrated.com Evaluates: MAXM15062 3.3V Output-Voltage Application MAXM15062 3.3V Output Evaluation Kit MAXM15062 EV Kit PCB Layout—Bottom Layer MAXM15062 3.3V EV Kit PCB Layout Diagrams (continued) 1.0’’

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. © 2019 Maxim Integrated Products, Inc. │ 10 Evaluates: MAXM15062 3.3V Output-Voltage Application MAXM15062 3.3V Output Evaluation Kit REVISION NUMBER REVISION DATE DESCRIPTION PAGES CHANGED 0 3/19 Initial release —

Revision History

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