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MAX8643EVKIT+

Description
Power management IC development tool MAX8643 Eval Kit
CategoryEmbedded solution    Engineering tools    Power management IC development tools   
File Size208KB,7 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX8643EVKIT+ Overview

Power management IC development tool MAX8643 Eval Kit

MAX8643EVKIT+ Parametric

Parameter NameAttribute value
MakerMaxim
Product CategoryPower Management IC Development Tools
productEvaluation Kits
typeVoltage Regulators - Switching Regulators
Tools for assessmentMAX8643
Input voltage2.35 V to 3.6 V
The output voltage0.6 V
EncapsulationBulk
Output current3 A
seriesMAX8643
used forMAX8643
Maximum operating temperature+ 70 C
Minimum operating temperature0 C
Factory packaging quantity1
19-0642; Rev 0; 10/06
MAX8643 Evaluation Kit
General Description
The MAX8643 evaluation kit (EV kit) is a fully assembled
and tested PCB that demonstrates the capabilities of
the MAX8643 integrated 3A step-down regulator. The
EV kit generates a +1.8V output voltage at load cur-
rents up to 3A from a 2.35V to 3.6V input voltage range.
The MAX8643 switches at 1MHz and up to 95% effi-
ciency with the supplied components.
Features
o
Internal 37mΩ On-Resistance MOSFETs
o
3A Output PWM Step-Down Regulator
o
±1% Output Accuracy over Load, Line, and
Temperature
o
Operates from 2.35V to 3.6V Input Supply
o
Adjustable Output from 0.6V to (0.9 x V
IN
)
o
500kHz to 2MHz Adjustable Frequency
Evaluates: MAX8643
Component List
DESIGNATION
C1, C2
QTY
2
DESCRIPTION
22µF ±10%, 6.3V X5R ceramic
capacitors (0805)
TDK C2012X5R0J226K
0.1µF ±10%, 25V X7R ceramic
capacitors (0603)
TDK C1608X7R1E104K
0.01µF ±10%, 50V X7R ceramic
capacitors (0603)
TDK C1608X7R1H103K
1µF ±10%, 16V X5R ceramic
capacitor (0603)
TDK C1608X5R1C105K
Not installed, ceramic capacitors
(0603)
0.022µF ±10%, 50V X7R ceramic
capacitor (0603)
TDK C1608X7R1H223K
560pF ±10%, 50V X7R ceramic
capacitor (0603)
TDK C1608X7R1H561K
1500pF ±10%, 50V X7R ceramic
capacitor (0603)
TDK C1608X7R1H152K
33pF ±5pF, 50V C0G ceramic
capacitor (0603)
TDK C1608C0G1H330CT
1000pF ±10%, 50V X7R ceramic
capacitor (0603)
TDK C1608X7R1H102K
o
Allows All-Ceramic Capacitor Design
o
Programmable Soft-Start Time
o
24-Pin, 4mm x 4mm Thin QFN Package
o
REFIN for DDR Termination and Tracking
Applications
o
Surface-Mount Components
o
Assembled and Tested
C3, C9
2
C4, C6
2
Ordering Information
PART
MAX8643EVKIT+
TEMP RANGE
0°C to +70°C
IC PACKAGE
24 TQFN (4mm x 4mm)
C5
1
+Denotes
a lead-free and RoHS-compliant EV kit.
C7, C13, C14
0
Quick Start
Recommended Equipment
2V to 4V at +3A variable DC power supply or battery
Digital multimeter (DMM)
Up to 3A load
Ammeter (optional)
C8
1
C10
1
C11
1
Procedure
The MAX8643 EV kit is fully assembled and tested.
Follow the steps below to verify board operation.
1) Preset the DC power supply to 3.3V. Turn off the
power supply.
Caution:
Do not turn on the power
supply until all connections are made.
2) Remove the shunt from JU1.
3) Verify that no two pins are shunted together on
jumper JU3.
C12
1
C15
1
Component List continued on next page.
________________________________________________________________
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 www.maxim-ic.com.
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