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MAX17501BATB Datasheet(PDF) 1 Page - Maxim Integrated Products

Part # MAX17501BATB
Description  60V, 500mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX17501BATB Datasheet(HTML) 1 Page - Maxim Integrated Products

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MAX17501
60V, 500mA, Ultra-Small, High-Efficiency,
Synchronous Step-Down DC-DC Converter
General Description
The MAX17501 high-efficiency, high-voltage, synchronous
step-down DC-DC converter with integrated MOSFETs
operates over a 4.5V to 60V input voltage range. It deliv-
ers output currents up to 500mA at output voltages of
0.9V to 92%VIN. The output voltage is accurate to within
±1.7% over -40°C to +125°C. The MAX17501 is avail-
able in a compact TDFN package. Simulation models are
available.
The device features peak-current-mode control with
pulse-width modulation (PWM). Users can choose devic-
es with either pulse frequency modulation (PFM) or forced
PWM scheme. PFM devices skip pulses at light load for
higher efficiency, while forced-PWM devices operate with
fixed switching frequency at any load for noise sensi-
tive-applications. The low-resistance, on-chip MOSFETs
ensure high efficiency at full load and simplify the layout.
A programmable soft-start feature allows users to reduce
input inrush current. The device also incorporates an
output enable/undervoltage lockout pin (EN/UVLO) that
allows the user to turn on the part at the desired input-
voltage level. An open-drain RESET pin provides a
delayed power-good signal to the system upon achieving
successful regulation of the output voltage.
Applications
● IndustrialProcessControl
● HVACandBuildingControl
● BaseStation,VOIP,Telecom
● HomeTheatre
● Automotive
● Battery-PoweredEquipment
● General-PurposePoint-of-Load
Benefits and Features
● EliminatesExternalComponentsandReduceTotal
Cost
• NoSchottky-SynchronousOperationforHigh
EfficiencyandReducedCost
• Internal Compensation and Feedback Divider for
3.3V and 5V Outputs
• All-Ceramic Capacitors, Ultra-Compact Layout
● ReducesNumberofDC-DCRegulatorstoStock
• Wide4.5Vto60VInputVoltageRange
• 0.9V to 92%VIN Output Voltage
• Delivers up to 500mA
• 600kHzand300kHzSwitchingFrequencyOptions
• Available in a 10-Pin, 3mm x 2mm TDFN Package
● ReducesPowerDissipation
• Peak Efficiency > 90%
• PFMFeatureforHighLight-LoadEfficiency
• ShutdownCurrent=0.9μA(typ)
● OperatesReliablyinAdverseIndustrialEnvironments
• Hiccup-ModeCurrentLimit,SinkCurrentLimit,
and Autoretry Startup
• Built-InOutput-VoltageMonitoring(Open-Drain
RESET Pin)
• Resistor-ProgrammableEN/UVLOThreshold
• Adjustable Soft-Start and Prebiased Power-Up
• -40°Cto+125°CIndustrialTemperatureRange
19-6244; Rev 2; 1/13
Ordering Information appears at end of data sheet.
For related parts and recommended products to use with this part, refer
to
www.maximintegrated.com/MAX17501.related.


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