MAX5074EVKIT

MAX5074EVKIT Datasheet

MAX5074 Evaluation Kit

Part	Datasheet
MAX5074EVKIT	MAX5074EVKIT (pdf)

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MAX5074 Evaluation Kit Evaluates MAX5074 The MAX5074 evaluation kit EV kit is a fully assembled and tested circuit board that contains a high-efficiency, 14W, forward DC-DC converter in the industry-standard 1/8th-brick footprint. The circuit is configured for a 12V output voltage and provides up to 1.2A of current. Power for the circuit can be provided from a 36V to 72V DC source as well as sources used in the telecom/datacom markets, industrial environments, and in automotive 42V power systems. The EV kit uses the MAX5074 IC that includes internal power MOSFETs. High efficiency up to 85% at 1.2A is achieved using an internally clamped two-transistor topology. Part of the efficiency improvement is due to the recovery of stored leakage and magnetizing inductance energy at the primary side. The MAX5074 is programmed to switch at 250kHz. The undervoltage lockout UVLO threshold is programmed to 30V and the integrated fault protection provides effective fault management. Output galvanic isolation is achieved by an optocoupler and the surface-mount power transformer. Warning The MAX5074 EV kit is designed to operate with high voltages. Dangerous voltages are present on this EV kit and on equipment connected to it. Users who power up this EV kit or power the sources connected to it must be careful to follow safety procedures appropriate to working with high-voltage electrical equipment. Under severe fault or failure conditions, this EV kit may dissipate large amounts of power, which could result in the mechanical ejection of a component or of component debris at high velocity. Operate this kit with care to avoid possible personal injury. The EV kit user should not probe the circuit with an oscilloscope probe and ground clip unless they have experience with high voltages. DESIGNATION QTY 4.7µF ±10%, 16V X7R ceramic 1 capacitor 1206 TDK C3216X7R1C475K 100pF ±5%, 50V C0G ceramic 1 capacitor 0603 TDK C1608C0G1H101K C3, C5, C7, C17 0.1µF ±10%, 50V X7R ceramic 4 capacitors 0603 TDK C1608X7R1H104K Isolated 14W Forward DC-DC Converter 36V to 72V Input Range 12V Output Provides Up to 1.2A 85% Efficiency at 48V and 1.2A 1/8th-Brick Module Footprint Cycle-by-Cycle Current-Limit Protection Programmable Integrating Fault Protection Programmed for 250kHz Switching Frequency Internal Thermal Shutdown Basic Primary to Secondary Isolation Soft-Start Fully Assembled and Tested PART MAX5074EVKIT EP = Exposed pad. Ordering Information TEMP RANGE 0°C to +50°C IC PACKAGE 20 TSSOP-EP Component List DESIGNATION QTY C4, C6 220pF ±10%, 50V X7R ceramic 2 capacitors 0603 TDK C1608X7R1H221K 1.0µF ±10%, 50V X7R ceramic 1 capacitor 1206 TDK C3216X7R1H105K 1.0µF ±20%, 100V X7R ceramic 1 capacitor 1210 TDK C3225X7R2A105M Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at Evaluates MAX5074 MAX5074 Evaluation Kit DESIGNATION C10, C11 QTY 2 0.01µF ±10%, 100V X7R ceramic capacitors 0805 TDK C2012X7RZA103K or Murata GRM21BR72A103K 0.15µF ±10%, 25V X7R ceramic 1 capacitor 0603 TDK C1608X7R1E154K 0.047µF ±10%, 16V X7R ceramic 1 capacitor 0603 Murata GRM188R71E473K 0.33µF ±10%, 16V X7R ceramic 1 capacitor 0603 TDK C1608X7R1C334K C15, C16 47µF ±20%, 16V POSCAP capacitors 2 D2 Sanyo 16TQC47M 0.0047µF ±10%, 250VAC X7R 1 ceramic capacitor 2220 Murata GA355DR7GC472KY D1, D2, D5 120V, 200mA fast-switching diodes 3 SOD-323 Diodes Incorporated BAV19WS D3, D4 80V, 2A Schottky diodes SMB Diodes Incorporated B280 Component List continued DESIGNATION QTY 68µH, 2.1A inductor Coilcraft MSS1278-683MX 1 ±1% resistor 0603 1 ±1% resistor 0603 1 ±1% resistor 0805 1 0.5W ±1% resistor 1206 IRC LRC-LR1206-01-R100-F 1 ±1% resistor 0603 1 ±1% resistor 0603 1 ±1% resistor 0603 0 Not installed, resistor 0603 1 ±1% resistor 0603 1 ±5% resistor 0603 1 ±1% resistor 0603

PDF Datasheet Preview

MAX5074 Evaluation Kit

Evaluates MAX5074

The MAX5074 evaluation kit EV kit is a fully assembled and tested circuit board that contains a high-efficiency, 14W, forward DC-DC converter in the industry-standard 1/8th-brick footprint. The circuit is configured for a 12V output voltage and provides up to 1.2A of current. Power for the circuit can be provided from a 36V to 72V DC source as well as sources used in the telecom/datacom markets, industrial environments, and in automotive 42V power systems.

The EV kit uses the MAX5074 IC that includes internal power MOSFETs. High efficiency up to 85% at 1.2A is achieved using an internally clamped two-transistor topology. Part of the efficiency improvement is due to the recovery of stored leakage and magnetizing inductance energy at the primary side.

The MAX5074 is programmed to switch at 250kHz. The undervoltage lockout UVLO threshold is programmed to 30V and the integrated fault protection provides effective fault management. Output galvanic isolation is achieved by an optocoupler and the surface-mount power transformer.

Warning The MAX5074 EV kit is designed to operate with high voltages. Dangerous voltages are present on this EV kit and on equipment connected to it. Users who power up this EV kit or power the sources connected to it must be careful to follow safety procedures appropriate to working with high-voltage electrical equipment.

Under severe fault or failure conditions, this EV kit may dissipate large amounts of power, which could result in the mechanical ejection of a component or of component debris at high velocity. Operate this kit with care to avoid possible personal injury.

The EV kit user should not probe the circuit with an oscilloscope probe and ground clip unless they have experience with high voltages.

DESIGNATION QTY
4.7µF ±10%, 16V X7R ceramic
1 capacitor 1206

TDK C3216X7R1C475K
100pF ±5%, 50V C0G ceramic
1 capacitor 0603

TDK C1608C0G1H101K

C3, C5, C7, C17
0.1µF ±10%, 50V X7R ceramic 4 capacitors 0603

TDK C1608X7R1H104K

Isolated 14W Forward DC-DC Converter 36V to 72V Input Range 12V Output Provides Up to 1.2A 85% Efficiency at 48V and 1.2A 1/8th-Brick Module Footprint Cycle-by-Cycle Current-Limit Protection Programmable Integrating Fault Protection Programmed for 250kHz Switching Frequency Internal Thermal Shutdown Basic Primary to Secondary Isolation Soft-Start Fully Assembled and Tested

PART MAX5074EVKIT *EP = Exposed pad.
Ordering Information

TEMP RANGE 0°C to +50°C

IC PACKAGE 20 TSSOP-EP*

Component List

DESIGNATION QTY

C4, C6
220pF ±10%, 50V X7R ceramic 2 capacitors 0603

TDK C1608X7R1H221K
1.0µF ±10%, 50V X7R ceramic
1 capacitor 1206

TDK C3216X7R1H105K
1.0µF ±20%, 100V X7R ceramic
1 capacitor 1210

TDK C3225X7R2A105M

Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at

Evaluates MAX5074

MAX5074 Evaluation Kit

DESIGNATION C10, C11

QTY 2
0.01µF ±10%, 100V X7R ceramic capacitors 0805 TDK C2012X7RZA103K or Murata GRM21BR72A103K
0.15µF ±10%, 25V X7R ceramic
1 capacitor 0603

TDK C1608X7R1E154K
0.047µF ±10%, 16V X7R ceramic
1 capacitor 0603

Murata GRM188R71E473K
0.33µF ±10%, 16V X7R ceramic
1 capacitor 0603

TDK C1608X7R1C334K

C15, C16
47µF ±20%, 16V POSCAP capacitors 2 D2

Sanyo 16TQC47M
0.0047µF ±10%, 250VAC X7R
1 ceramic capacitor 2220

Murata GA355DR7GC472KY

D1, D2, D5
120V, 200mA fast-switching diodes 3 SOD-323

Diodes Incorporated BAV19WS

D3, D4
80V, 2A Schottky diodes SMB Diodes Incorporated B280

Component List continued

DESIGNATION QTY
68µH, 2.1A inductor Coilcraft MSS1278-683MX
1 ±1% resistor 0603
1 ±1% resistor 0603
1 ±1% resistor 0805
1 0.5W ±1% resistor 1206

IRC LRC-LR1206-01-R100-F
1 ±1% resistor 0603
1 ±1% resistor 0603
1 ±1% resistor 0603
0 Not installed, resistor 0603
1 ±1% resistor 0603
1 ±5% resistor 0603
1 ±1% resistor 0603

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Datasheet ID: MAX5074EVKIT 647364