MAX17500AEVKIT Maxim Integrated Products, MAX17500AEVKIT Datasheet

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MAX17500AEVKIT

Manufacturer Part Number
MAX17500AEVKIT
Description
Power Management Modules & Development Tools
Manufacturer
Maxim Integrated Products
Datasheet
The MAX17500A evaluation kit (EV kit) is a fully assem-
bled and tested circuit board that contains a 9W flyback
DC-DC converter. The circuit is configured for +5V and
+15V output voltages and provides up to 1.5A and
100mA of current at each respective output. Power for
the circuit can be provided from either a +36V to +72V
or -36V to -72V DC source.
High efficiency up to 81% is achieved using a flyback
DC-DC converter topology. The surface-mount transformer
provides up to +1500V galvanic isolation for both outputs.
Low cost is achieved through the use of primary-side
regulation, while undervoltage lockout (UVLO) and digital
soft-start provide for a robust 9W isolated power supply.
Operation at 350kHz allows the use of small magnetics
and output capacitors.
Warning: The 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.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
DESIGNATION QTY
C1, C2
C3
C4
C5
C6
_________________________________________________________________ Maxim Integrated Products 1
2
1
1
1
1
1FF Q10%, 100V X7R ceramic
capacitors (1812)
TDK C4532X7R2A105K
68FF, 6.3V electrolytic capacitor (V)
KEMET A700V686M006ATE028
22FF Q20%, 6.3V X5R ceramic
capacitor (1206)
TDK C3216X5R0J226M
47FF, 25V electrolytic capacitor
(6.3mm x 5.8mm)
Panasonic EEVFK1E470P
0.0047FF Q10%, 250V AC X7R
ceramic capacitor (1825)
Murata GA355DR7GC472KY02L
General Description
DESCRIPTION
MAX17500A Evaluation Kit
S
S
S
S
S
S
S
S
S
S
S
S
S
Ordering Information
DESIGNATION QTY
C8, C10, C19
+36V to +72V or -36V to -72V DC Input Range
Isolated Outputs
±5% (typ) Load Regulation for the +5V Output Set
Point (150mA to 1.5A)
81% Efficiency at +48V Input and Full Load
Cycle-by-Cycle Current Limit
350kHz Switching Frequency
Digital Soft-Start
High-Accuracy UVLO
UVLO Open-Drain Flag Output
Designed for +1500V Isolation with Primary-Side
Regulation
Low-Cost Flyback Design
Proven PCB Layout
Fully Assembled and Tested
Evaluates: MAX17500A
V
V
C7, C11
OUT1
OUT2
C12
C13
C9
: +5V Provides Up to 1.5A
: +15V Provides Up to 100mA
2
0
1
1
1
appears at end of data sheet.
0.22FF Q10%, 50V X7R ceramic
capacitors (0805)
Murata GRM21BR71H224KA01B
Not installed, ceramic capacitors
(0603)
100pF Q2%, 50V C0G ceramic
capacitor (0603)
Murata GRM1885C1H101G
15FF Q10%, 35V tantalum
capacitor (D)
KEMET T491D156K035AS
1FF Q10%, 16V X7R ceramic
capacitor (0805)
TDK C2012X7R1C105KT
Component List
DESCRIPTION
19-5764; Rev 0; 2/11
Features

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MAX17500AEVKIT Summary of contents

Page 1

... Q10%, 250V AC X7R C6 1 ceramic capacitor (1825) Murata GA355DR7GC472KY02L _________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. MAX17500A Evaluation Kit Evaluates: MAX17500A +36V to +72V or -36V to -72V DC Input Range ...

Page 2

... Not installed, 14V, 250mW zener diode (SOD323 Central Semi CMDZ5244B recommended PowerDI is a registered trademark of Diodes Incorporated. µMAX is a registered trademark of Maxim Integrated Products, Inc. _________________________________________________________________ Maxim Integrated Products 2 Evaluates: MAX17500A Component List (continued) DESIGNATION QTY DESCRIPTION 40V, 0.5A Schottky diode (SOT23) ...

Page 3

... VOUT1 reads approximately +5V. 7) Verify that the voltmeter at VOUT2 reads approxi- mately +15V. The maximum current for each output should be limited to less than 1.5A for VOUT1 and 100mA for VOUT2. _________________________________________________________________ Maxim Integrated Products 3 Evaluates: MAX17500A PHONE 631-435-1110 916-941-1117 ...

Page 4

... Using the desired scaled output voltages, resistor R1 is then found by the following equation [[{( OUT1 VD1 T 1 Table 1. Jumper JU1 Shutdown Mode SHUNT POSITION Not installed Installed _________________________________________________________________ Maxim Integrated Products 4 Evaluates: MAX17500A where: V OUT1 output turns VD6 diode D6 forward-voltage drop. V VD1 Schottky diode D1 forward-voltage drop at 1 ...

Page 5

... OUT1 Figure 3. V (+5V) Output-Voltage Regulation OUT1 _________________________________________________________________ Maxim Integrated Products 5 Evaluates: MAX17500A The EV kit features an open-drain UVLO flag output at the UFLG PCB pad. The UFLG signal can be used to indicate that a UVLO condition has occurred. A voltage source +25V can be connected to the PCB’s ...

Page 6

... Figure 5. MAX17500A EV Kit Schematic _________________________________________________________________ Maxim Integrated Products 6 Evaluates: MAX17500A ...

Page 7

... Figure 6. MAX17500A EV Kit Component Placement Guide— Component Side Figure 8. MAX17500A EV Kit PCB Layout—Solder Side _________________________________________________________________ Maxim Integrated Products 7 Evaluates: MAX17500A 1.0” Figure 7. MAX17500A EV Kit PCB Layout—Component Side 1.0” 1.0” ...

Page 8

... Ordering Information PART MAX17500AEVKIT _________________________________________________________________ Maxim Integrated Products 8 Evaluates: MAX17500A TYPE EV Kit ...

Page 9

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © ...

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