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MAX17543EVKITB Datasheet(PDF) 1 Page - Maxim Integrated Products

No. de pieza MAX17543EVKITB
Descripción Electrónicos  5V Output-Voltage Application
PDF  11 Pages
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Fabricante Electrónico  MAXIM [Maxim Integrated Products]
Página de inicio  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX17543EVKITB Datasheet(HTML) 1 Page - Maxim Integrated Products

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Evaluates: MAX17543 in
5V Output-Voltage Application
MAX17543 5V Output Evaluation Kit
General Description
The MAX17543 5V output evaluation kit (EV kit) provides
a proven design to evaluate the MAX17543 high-voltage,
high-efficiency, synchronous step-down DC-DC convert-
er. The EV kit is preset for 5V output at load currents up
to 2.5A and features a 500kHz switching frequency for
optimum efficiency and component size. The EV kit
features adjustable input undervoltage lockout, adjust-
able soft-start, open-drain RESET signal, and external
frequency synchronization.
Features
● Operatesfroma6.5Vto42VInputSupply
● 5VOutputVoltage
● Upto2.5AOutputCurrent
● 500kHzSwitchingFrequency
● Enable/UVLOInput,Resistor-ProgrammableUVLO
Threshold
● AdjustableSoft-StartTime
● MODEPintoSelectAmongPWM,PFM,orDCM
Modes
● Open-DrainRESETOutput
● ExternalFrequencySynchronization
● OvercurrentandOvertemperatureProtection
● ProvenPCBLayout
● FullyAssembledandTested
19-7348; Rev 0; 9/14
Ordering Information appears at end of data sheet.
*EP = Exposed pad.
Note: C7, R1, and R2 are optional components; R1 and R2 are
not needed if the EN/UVLO pin is permanently connected to
VIN. The electrolytic capacitor (C7) is required only when the
VIN power supply is situated far from the MAX17543-based
circuit. When R5 is open, the device switches at 500kHz
switching frequency.
DESIGNATION QTY
DESCRIPTION
C1
1
2.2µF±10%,50VX7Rceramic
capacitor (1210)
TDKC3225X7R1H225K
C2
1
2.2µF±10%,10VX7Rceramic
capacitor(0603)
MurataGRM188R71A225K
C3
1
5600pF±10%,25VX7Rceramic
capacitor (0402)
MurataGRM155R71E562K
C4
1
22µF±10%,10VX7Rceramic
capacitor (1210)
MurataGRM32ER71A226K
C5
1
0.1µF±10%,16VX7Rceramic
capacitor (0402)
MurataGRM155R71C104K
C6
0
Not installed, ceramic capacitor
(0402)
C7
1
47µF,50Valuminumelectrolytic
capacitor (D = 10mm)
PanasonicEEEFK1H470P
JU1–JU3
3
3-pin headers
DESIGNATION QTY
DESCRIPTION
L1
1
10µH,3.8Ainductor
CoilcraftMSS1048-103ML
TaiyoYudenNS10165T100MNA
R1
1
3.32MΩ±1%resistor(0402)
R2
1
732kΩ±1%resistor(0402)
R3
1
178kΩ±1%resistor(0402)
R4
1
39kΩ±1%resistor(0402)
R5
0
Not installed, resistor (0402)
R6
1
10kΩ±1%resistor(0402)
TP1,TP2
2
Test pads
U1
1
Buckconverter(20TQFN-EP*)
MaximMAX17543ATP+
—
3
Shunts(JU1,JU2,JU3)
—
1
PCB:MAX17543–5VOUTPUT
EVKIT
Component List


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