MAX5035EVKIT Maxim Integrated Products, MAX5035EVKIT Datasheet - Page 2

• 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 EV kit is fully assembled and tested.
Follow these steps to verify board operation. Do not
turn on the power supply until all connections are
completed.
1) Verify that a shunt is across pins 1 and 2 of jumper
2) Connect a voltmeter to the VOUT pad and GND
3) Connect a 12V DC power supply to the VIN pad.
4) Turn on the power supply and verify that VOUT is
For instructions on selecting the feedback resistors for
other output voltages, see the Evaluating Other Output
Voltages section.
The MAX5035 EV kit features a 5W step-down DC-DC
switching-regulator circuit. The circuit uses a MAX5035
adjustable output-voltage converter to provide an out-
put voltage of 5V and can deliver up to 1A of current to
the output. The user must provide an 8V to 76V DC
source that is capable of supplying at least 2A of cur-
rent to power the circuit.
The MAX5035 converter’s built-in, high-side, low on-
resistance DMOS transistor reduces component count
while maximizing efficiency. Under light loads (approxi-
MAX5035 Evaluation Kit
Note: Indicate that you are using the MAX5035 when contacting these component suppliers.
2
AVX Corp.
Coilcraft, Inc.
International Rectifier
Panasonic Corp.
TDK Corp.
Vishay
JU1
pad.
Connect the supply ground to the GND pad.
at 5V.
_______________________________________________________________________________________
(SHDN).
SUPPLIER
Detailed Description
5V Output Verification
843-946-0238
847-639-6400
310-322-3331
714-373-7366
847-803-6100
402-563-6866
Quick Start
PHONE
mately 85mA) the MAX5035 operates in pulse-skipping
mode, and under heavy loads it automatically enters
PWM mode. The circuit switches at 125kHz.
The EV kit features a PCB pad for the SHDN signal to
interface with an external controller. Startup delays can
be evaluated by installing resistor R4 and capacitor C5.
The MAX5035 EV kit features a shutdown mode that
reduces the MAX5035 quiescent current to 10µA (typ),
thus reducing the power drain during shutdown mode.
The 3-pin jumper, JU1, selects the shutdown mode for
the MAX5035 EV kit. Table 1 lists the selectable jumper
options.
843-626-3123
847-639-1469
310-726-8721
714-737-7323
847-390-4405
402-563-6296
Table 1. Jumper JU1 Functions
Caution: Do not connect an external controller to the SHDN
pad while a shunt is on jumper JU1 since the external con-
troller may be damaged.
LOCATION
SHUNT
1 and 2
2 and 3
FAX
None
Connected to VIN
through R3
Connected to GND
External controller
connected to SHDN
pad
SHDN PIN
www.avxcorp.com
www.irf.com
www.panasonic.com
www.component.tdk.com
www.vishay.com
www.coilcraft.com
Component Suppliers
Jumper Selection
WEBSITE
MAX5035 enabled
MAX5035 disabled
Logic high = enabled,
Logic low = disabled
MAX5035 EV KIT
Shutdown Mode
OUTPUT