19-2199; Rev 0; 10/01
MAX1878 Evaluation Kit
General Description
The MAX1878 evaluation kit (EV kit) is a fully assembled
and tested surface-mount circuit board that demonstrates
the MAX1878 dual-output, step-up, and step-down DC-
DC converter. The main output is configured for 1.8V and
provides up to 400mA of current. The LCD bias output is
configured for 18V and provides up to 10mA. The EV kit
can support the dual output with an input voltage range of
2.0V to 5.5V.
o
Dual Output Voltages
1.8V Main Output at 400mA
18V LCD Bias Output at 10mA
o
Adjustable Output Voltages
o
2.0V to 5.5V Input Voltage Range
o
Surface-Mount Construction
o
Fully Assembled and Tested
Features
Evaluates: MAX1878
Ordering Information
PART
MAX1878EVKIT
TEMP. RANGE
0擄C to +70擄C
IC PACKAGE
12 QFN-EP*
*EP
= Exposed pad
Component List
DESIGNATION QTY
DESCRIPTION
10碌F
鹵10%,
6.3V X5R ceramic
capacitor (1206)
TDK C3216X5R0J106KT or
Taiyo Yuden JMK316BJ106KL
1.0碌F
鹵10%,
6.3V X5R ceramic
capacitor (0603)
Taiyo Yuden JMK107BJ105KA or
TDK C1608X5R1A105K
0.1碌F
鹵10%,
50V X7R ceramic
capacitor (0805)
Taiyo Yuden UMK212BJ104KG or
TDK C2012X7R1H104KT
22碌F
鹵10%,
10V tantalum
capacitor (B)
AVX TPSB226K010R0500
5.0pF, 50V COG ceramic
capacitor (0603)
TDK C1608COG1H050C or
Murata GRM1885C1H5R0JA01
22pF, 50V COG ceramic
capacitor (0603)
TDK C1608COG1H220JT or
Murata GRM1885C1H220KA01
DESIGNATION QTY
D1
JU1, JU2
L1, L2
R1
R2
R3
R4
R5
R6
U1
None
None
None
None
1
2
2
1
1
1
1
1
1
1
2
1
1
1
DESCRIPTION
200mA diode (SOT23)
Fairchild MMBD4148 (Top mark - 5H)
3-pin headers
10碌H, 550mA inductors
28k鈩?/div>
鹵1%
resistor (0603)
63.4k鈩?/div>
鹵1%
resistor (0603)
3.65M鈩?/div>
鹵1%
resistor (0603)
Venkel CR0603-16W-3654-F-T
267k鈩?/div>
鹵1%
resistor (0603)
10鈩?/div>
鹵5%
resistor (0603)
2M鈩?/div>
鹵5%
resistor (0603)
MAX1878EGC (12-pin QFN 4 x 4 EP)
Top mark-AAAO
Shunts (JU1, JU2)
MAX1878 PC board
MAX1878 data sheet
MAX1878 EV kit data sheet
C1
1
C2
1
C3
1
C4
1
C5
1
C6
1
________________________________________________________________________________________ 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
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