نام محصول:
مبدل DC/DC گام به پایین
نام انگلیسی:
Step-down DC/DC converter MAX17761 series
برند:
Maxim Integrated
مشخصات:
The MAX17550 high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 4V to 60V input. The converter can deliver up to 25mA and generates output voltages from 0.8V up to 0.9 x VIN. The feedback (FB) voltage is accurate to within ±1.75% over -40°C to +125°C.
The MAX17550 uses peak-current-mode control. The device can be operated in pulse-width modulation (PWM) or pulse-frequency modulation (PFM) modes.
The device is available in a 10-pin (3mm x 2mm) TDFN and 10-pin (5mm x 3mm) µMAX® packages. Simulation models are available.
Applications
Battery-Powered Equipment
High-Voltage LDO Replacement
HVAC and Building Control
Industrial Sensors and Process Control
Features and Benefits
Reduces External Components and Total Cost
No Schottky—SynchronousInternal Compensation for Any Output Voltage
Built-In Soft-Start
All-Ceramic Capacitors, Compact Layout
Reduces Number of DC-DC Regulators to Stock
100kHz to 2.2MHz Adjustable Switching Frequency with External SynchronizationReduces Power Dissipation
22μA Quiescent Current
Peak Efficiency > 90%
PFM Enables Enhanced Light-Load Efficiency
1.2μA Shutdown Current
توضیحات:
Configuration
IC
Electrical characteristics
step-down, power, high-voltage
Applications
industrial
Other characteristics
single-output, compact, switching, programmable, adjustable, soft-start, PWM
Input voltage
4.5 V, 76 V
Output voltage
0.8 V, 4.8 V, 5 V, 5.3 V
دیدگاهها
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