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MAX1676EVKIT

Description
Power Management IC Development Tools
CategoryDevelopment board/suite/development tools   
File Size62KB,4 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX1676EVKIT Overview

Power Management IC Development Tools

MAX1676EVKIT Parametric

Parameter NameAttribute value
Product CategoryPower Management IC Development Tools
ManufacturerMaxim
RoHSNo
ProductEvaluation Kits
TypeVoltage Regulators - Switching Regulators
Tool Is For Evaluation OfMAX1676
Input Voltage700 mV to 5.5 V
Output Voltage3.3 V, 5 V
Description/FunctionStep up DC/DC converter
Maximum Operating Temperature+ 70 C
Minimum Operating Temperature0 C
Output Current420 mA, 285 mA
Factory Pack Quantity1
19-1360; Rev 0; 7/98
MAX1676 Evaluation Kit
General Description
The MAX1676 is a high-efficiency, step-up DC-DC
converter for portable hand-held devices. It accepts a
positive input voltage between 0.7V to 5.5V and con-
verts it to a higher output voltage. The MAX1676
includes a damping circuit (at BATT) that suppresses
inductor ringing to reduce electromagnetic interfer-
ence (EMI).
The MAX1676 evaluation kit (EV kit) is a fully assembled
and tested surface-mount printed circuit board. Three
jumpers on the EV kit allow for easy access to the out-
put voltage select, current limit, and shutdown features.
The output voltage is both adjustable and pin-selec-
table. A movable jumper selects either a 3.3V or 5.0V
output, or it can be left open and a resistor network can
be used to obtain a voltage in the 2V to 5.5V range. The
inductor current limit is selectable for either 0.5A or
1.0A. In shutdown mode, the MAX1676 typically draws
only 0.1µA.
Features
o
Synchronous Rectification for Improved
Efficiency
o
Operates Down to 0.7V Input Supply Voltage
o
No External Schottky Diode Required
(for multicell applications)
o
Selectable Current Limit (0.5A or 1.0A)
o
Damping Circuit Reduces EMI
o
16µA Quiescent Current
o
0.1µA Typical Shutdown Current
o
Low-Battery Detector (LBI/LBO)
o
10-Pin µMAX Package
o
Surface-Mount Construction
o
Fully Assembled and Tested
Evaluates: MAX1676
Component Suppliers
Component List
DESIGNATION QTY
C1
C2
C3
1
1
1
DESCRIPTION
47µF, 16V tantalum capacitor
AVX TPSC476M016R0350
100µF, 10V tantalum capacitor
AVX TPSD107M010R0100
1µF, Y5V ceramic capacitor
Taiyo Yuden UMK212F105ZG
0.1µF, X7R ceramic capacitor
Taiyo Yuden UMK212BJ104KG or
Murata GRM40X7R104K025AL
Diode (not included; needed for 1-cell
inputs)
Motorola MBR0520
3-pin jumpers
22µH power inductor (1.1A)
Sumida CD54-220
200Ω, 5% resistor
Open
MAX1676EUB
SUPPLIER
AVX
Motorola
Murata
Sumida
Taiyo Yuden
PHONE
803-946-0690
303-675-2140
814-237-1431
847-956-0666
408-573-4150
FAX
803-626-3123
303-675-2150
814-238-0490
847-956-0702
408-573-4159
Quick Start
The MAX1676 EV kit is a fully assembled and tested
surface-mount board. Follow the steps below to verify
board operation.
Do not turn on the power supply
until all connections are completed.
1) Connect a 1.1V to 3V supply to the pads marked
+VBATT and GND.
2) Connect a voltmeter and load (if any) to the
VOUT pad.
3) Place the shunt on JU3 across pins 1 and 2.
4) Place the shunt on JU1 across pins 1 and 2 for a
3.3V output voltage.
5) Place the shunt on JU2 across pins 1 and 2 for a
1A current limit.
6) Turn on the power and verify that the output
voltage is 3.3V.
7) Refer to the
Output Voltage Selection
section to
modify the board for a different output voltage.
1
C4
1
D1
JU1, JU2, JU3
L1
R1
R2–R6
U1
0
3
1
1
0
1
Ordering Information
PART
MAX1676EVKIT
TEMP. RANGE
0°C to +70°C
IC PACKAGE
10 µMAX
________________________________________________________________
Maxim Integrated Products
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
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