MAX5035EVKIT Maxim Integrated Products, MAX5035EVKIT Datasheet
MAX5035EVKIT
Manufacturer Part Number
MAX5035EVKIT
Description
EVAL KIT FOR MAX5035
Manufacturer
Maxim Integrated Products
Specifications of MAX5035EVKIT
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Voltage - Output
5V
Current - Output
1A
Voltage - Input
8 ~ 76V
Regulator Topology
Buck
Frequency - Switching
125kHz
Board Type
Fully Populated
Utilized Ic / Part
MAX5035
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
The MAX5035 evaluation kit (EV kit) is a fully assembled
and tested surface-mount printed circuit board (PCB)
that contains a step-down DC-DC switching-regulator
circuit. The circuit utilizes a MAX5035 adjustable con-
verter configured for a 5V output and provides up to 1A
of current. The converter operates from a wide input
range of 8V to 76V.
The MAX5035 MAXPower IC features a built-in high-
side switch and an automatic pulse-skipping mode
operation. The MAX5035 EV kit demonstrates low qui-
escent current and high efficiency up to 92%. The
MAX5035 MAXPower IC switches at 125kHz.
Warning: The MAX5035 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 connect-
ed to it must be careful to follow appropriate safety pro-
cedures when 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 compo-
nent debris at high velocity. Operate this EV kit with
care to avoid possible personal injury.
19-3076; Rev 1; 1/07
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
DESIGNATION QTY
C3, C4
C1
C2
C5
C6
1
1
2
0
1
________________________________________________________________ Maxim Integrated Products
68µF ±20%, 100V electrolytic
capacitor (12.5 x 13.5)
Panasonic EEVFK2A680Q
68µF ±20%, 10V tantal um cap acitor ( C )
AVX TPSD686M010R0100 (0.100 ESR)
or
V i shay 594D686X0010C 2T ( 0.1 E S R)
0.1µF ±10%, 50V X7R ceramic
capacitors (0603)
TDK C1608X7R1H104K
Not installed, capacitor (0805)
0.2µF ±10%, 100V X7R ceramic
capacitor (1206)
AVX 12061C224KAZ
General Description
DESCRIPTION
MAX5035 Evaluation Kit
♦ 8V to 76V Input Voltage Range
♦ 5V Output at Up to 1A
♦ 92% Efficiency
♦ Adjustable Output Voltage Through Resistive
♦ No Load Quiescent Current:
♦ 125kHz Switching Frequency
♦ Automatic Pulse-Skipping Mode
♦ Fully Assembled and Tested
DESIGNATION QTY
Voltage-Divider
MAX5035EVKIT
794µA at V
582µA at V
392µA at V
JU1
D1
U1
R1
R2
R3
R4
R5
L1
—
—
PART
IN
IN
IN
1
1
1
1
1
0
1
1
1
1
1
= 76V
= 42V
= 12V
80V, 5A Schottky diode (D0-204AR)
International Rectifier 50SQ080
100µH, 1.8A inductor
Coilcraft, Inc. DO5022P-104
41.2kΩ ±1% resistor (0805)
13.3kΩ ±1% resistor (0805)
130kΩ ±1% resistor (0805)
Not installed, resistor (0805)
45.3kΩ ±1% resistor (0603)
MAX5035DUSA (8-pin SO)
3-pin header
Shunt (JU1)
PCB: MAX5035 evaluation kit
TEMP RANGE
Ordering Information
0°C to +70°C
Component List
DESCRIPTION
IC-PACKAGE
Features
8 SO
1
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MAX5035EVKIT Summary of contents
Page 1
... IN 392µ 12V IN ♦ 125kHz Switching Frequency ♦ Automatic Pulse-Skipping Mode ♦ Fully Assembled and Tested Ordering Information PART TEMP RANGE MAX5035EVKIT 0°C to +70°C Component List DESIGNATION QTY 80V, 5A Schottky diode (D0-204AR International Rectifier 50SQ080 100µH, 1.8A inductor L1 1 Coilcraft, Inc ...
Page 2
MAX5035 Evaluation Kit SUPPLIER AVX Corp. Coilcraft, Inc. International Rectifier Panasonic Corp. TDK Corp. Vishay Note: Indicate that you are using the MAX5035 when contacting these component suppliers. The MAX5035 EV kit is fully assembled and tested. Follow these steps ...
Page 3
Evaluating Other Output Voltages The MAX5035 step-down DC-DC switching regulator output is set feedback resistors R1 and R2. To generate output voltages other than 5V (1.25V to 12V), select different external voltage-divider resistors for R1 and R2. ...
Page 4
... 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. 4 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2007 Maxim Integrated Products Figure 3. MAX5035 EV Kit PCB Layout—Component Side Figure 5. MAX5035 EV Kit Component Placement Guide— ...