MAX17543/44/45 Step-Down DC-DC Converters

Analog Devices Inc. MAX17543/44/45 High-Efficiency Synchronous Step-Down DC-DC Converters are high-voltage devices with integrated MOSFETs operating over 4.5V to 42V input. The converter can deliver 1.7A, 2.5A, or 3.5A and generates output voltages from 0.9V up to 0.9 x VIN. The feedback (FB) voltage is accurate to within ±1.1% over -40°C to +125°C. The MAX17543/44/45 uses peak-current-mode control. The device can be operated in pulse-width modulation (PWM), pulse-frequency modulation (PFM), or discontinuous conduction mode (DCM) control schemes.

Results: 5
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Mounting Style Package / Case Topology Output Voltage Output Current Number of Outputs Quiescent Current Switching Frequency Minimum Operating Temperature Maximum Operating Temperature Series Packaging

Analog Devices / Maxim Integrated Switching Voltage Regulators 4.5V 42V, 3.5A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation
799In Stock
$7.22
$5.59
$5.17
$4.66
Min.: 1
Mult.: 1
Max.: 1,439
SMD/SMT TQFN-EP-20 Buck 900 mV to 36 V 3.5 A 1 Output 9.5 mA 2.2 MHz - 40 C + 125 C MAX17544 Tray

Analog Devices / Maxim Integrated Switching Voltage Regulators 2.5A, 60V, Synchronous Buck Regulator
557In Stock
Cut Tape
$6.33
$4.85
$4.48
$4.08
$4.00
$4.00
Min.: 1
Mult.: 1
Max.: 445
SMD/SMT TQFN-EP-20 Buck 900 mV to 36 V 2.5 A 1 Output 9.5 mA 100 kHz to 2.2 MHz - 40 C + 125 C MAX17543 Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Switching Voltage Regulators 4.5V 42V, 3.5A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation
1,394In Stock
Cut Tape
$7.49
$5.78
$5.36
$4.89
Min.: 1
Mult.: 1
Max.: 1,115
SMD/SMT TQFN-EP-20 Buck 900 mV to 36 V 3.5 A 1 Output 100 kHz to 2.2 MHz - 40 C + 125 C MAX17544 Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Switching Voltage Regulators 2.5A, 60V, Synchronous Buck Regulator
93In Stock
$6.33
$4.85
$4.48
$4.07
Min.: 1
Mult.: 1
SMD/SMT TQFN-EP-20 Buck 900 mV to 36 V 2.5 A 1 Output 9.5 mA 100 kHz to 2.2 MHz - 40 C + 125 C MAX17543 Tube
Analog Devices / Maxim Integrated Switching Voltage Regulators 4.5V 42V, 1.7A, High-Efficiency, Synchronous Step-Down DC-DC Converter With Internal Compensation
354In Stock
Cut Tape
$4.13
$3.11
$2.86
$2.58
$2.45
$2.45
Min.: 1
Mult.: 1
Max.: 283
SMD/SMT TQFN-EP-20 Boost 900 mV to 36 V 1.7 A 1 Output 9.5 mA 2.2 MHz - 40 C + 125 C MAX17545 Reel, Cut Tape, MouseReel