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MAX5060EVKITDatasheet PDF
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General Description
The MAX5060 evaluation kit (EV kit) provides a +3.3V
adjustable output voltage from a +12V input source. It
delivers up to 20A of output current with a switching fre-
quency of 270kHz and achieves efficiencies up to 93%.
The MAX5060 single-phase, PWM controller provides
high-output-current capability in a compact package
with a minimum number of external components. The
MAX5060 utilizes average current-mode control that
offers accurate current limit and current sharing, and
avoids oversizing the MOSFETs and inductor.
Differential sensing enables accurate control of the out-
put voltage, while adaptive voltage positioning provides
optimum transient response. An internal regulator
enables operation with +4.75V to +5.5V, or +7V to
+28V input-voltage ranges. The high switching frequen-
cy, up to 1.5MHz, allows the use of low inductor and
input capacitor values. This accommodates the use of
PCB-embedded planar magnetics, achieving superior
reliability, current sharing, thermal management, com-
pact size, and low system cost.
The MAX5060 also features a clock input (CLKIN) for
synchronization to an external clock, and a clock output
(CLKOUT) with 180° phase delay to control a second
out-of-phase converter for lower-input-capacitor ripple
current. The MAX5060 also limits the reverse current if
the bus voltage becomes higher than the regulated out-
put voltage. This device is specifically designed to limit
current sinking when multiple power-supply modules
are paralleled. The MAX5060 offers an adjustable
+0.6V to +5.5V (V
IN
> 7V) output voltage.
Features
♦ +10V to +14V Input-Voltage Range
♦ 3.3V Output Voltage
♦ 20A Output Current
♦ 270kHz Switching Frequency
♦ Up to 93% Efficiency
♦ Synchronization Up to 1.5MHz
♦ Limits Reverse-Current Sinking
♦ Voltage Signal Proportional to the Output Current
♦ Clock Output for Ripple-Phase Operation
♦ Overvoltage Protection
♦ Enable (ON/OFF) Input
♦ Power-Good Output
♦ Size: 1.65in x 1.05in
♦ Requires 400LFM Airflow and Larger Heatsink for
0°C to +70°C Temperature Range
Evaluates: MAX5060
MAX5060 Evaluation Kit
________________________________________________________________
Maxim Integrated Products
1
19-3730; Rev 1; 4/08
Component List
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Ordering Information
+
Denotes lead-free and RoHs-compliant.
PART TYPE
MAX5060EVKIT+ EV Kit
DESIGNATION QTY DESCRIPTION
C1, C3 2
470pF ±10%, 50V X7R ceramic
capacitors (0402)
KEMET C0402C471K5RAC
Murata GRP155R71H471K
C2 1
0.022µF ±10%, 16V X7R ceramic
capacitor (0402)
Murata GRP155R71C223K
C4 1
0.01µF ±10%, 25V X7R ceramic
capacitor (0402)
KEMET C0402C103K3RAC
Murata GRP155R71E103K
C5 1
0.22µF ±10%, 6.3V X5R ceramic
capacitor (0402)
Murata GRM155R60J224K
DESIGNATION QTY DESCRIPTION
C6, C12 2
0.47µF ±10%, 10V X5R ceramic
capacitors (0603)
KEMET C0603C474K8PAC
Murata GRM188R61A474K
C7 1
1µF ±10%, 10V X5R ceramic
capacitor (0603)
KEMET C0603C105K8PAC
Murata GRM188R61A105K
C8, C9 2
0.1µF ±10%, 25V X7R ceramic
capacitors (0603)
KEMET C0603C104K3RAC
Murata GRM188R71E104K
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