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IMAGE PART NO. PRICE QUANTITY STOCK MANUFACTURE DESCRIPTION Package / Case Series Packaging Output Type Function Topology Output Configuration Operating Temperature Part Status Supplier Device Package Factory Stock @ qty Minimum Quantity Voltage - Supply (Vcc/Vdd) Frequency - Switching Control Features Duty Cycle (Max) Synchronous Rectifier Clock Sync
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -55°C ~ 150°C (TJ) Active 20-QFN (3x4) 0 0 2500 4 V ~ 60 V 105kHz ~ 835kHz, 350kHz ~ 535kHz Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking 99% Yes No
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 150°C (TJ) Active 20-QFN (3x4) 0 0 2500 4 V ~ 60 V 105kHz ~ 835kHz, 350kHz ~ 535kHz Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking 99% Yes No
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Maxim Integrated IC REG CTRLR BUCK 20-TQFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 85°C (TA) Obsolete 20-TQFN (4x4) 0 0 2500 4.5 V ~ 5.5 V 200kHz, 300kHz, 450kHz, 600kHz Current Limit, Enable, On Time Control, Power Good - Yes No
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Maxim Integrated IC REG CTRLR BUCK 20-TQFN 20-WFQFN Exposed Pad - Tube Transistor Driver Step-Down Buck Positive -40°C ~ 85°C (TA) Obsolete 20-TQFN (4x4) 0 0 60 4.5 V ~ 5.5 V 200kHz, 300kHz, 450kHz, 600kHz Current Limit, Enable, On Time Control, Power Good - Yes No
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Per Unit
$9.0168
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -55°C ~ 150°C (TJ) Active 20-QFN (3x4) 0 0 2500 4 V ~ 38 V 50kHz ~ 900kHz Current Limit, Enable, Frequency Control, Soft Start, Tracking 99% Yes No
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Per Unit
$5.8650
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 125°C (TJ) Active 20-QFN (4x4) 0 0 2500 6 V ~ 36 V 200kHz ~ 1MHz Enable, Frequency Control, Soft Start - Yes Yes
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Per Unit
$5.8650
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 125°C (TJ) Active 20-QFN (4x4) 0 0 2500 6 V ~ 36 V 200kHz ~ 1MHz Enable, Frequency Control, Soft Start - Yes Yes
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Per Unit
$5.7630
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tube Transistor Driver Step-Down Buck Positive -40°C ~ 125°C (TJ) Active 20-QFN (4x4) 637 0 182 6 V ~ 36 V 200kHz ~ 1MHz Enable, Frequency Control, Soft Start - Yes Yes
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Per Unit
$5.7528
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 85°C (TA) Active 20-QFN (5x4) 0 0 2500 4 V ~ 36 V 250kHz ~ 530kHz Enable, Phase Control, Power Good, Soft Start, Tracking 99.40% Yes No
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Per Unit
$5.6508
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tube Transistor Driver Step-Down Buck Positive -40°C ~ 85°C (TA) Active 20-QFN (5x4) 0 0 146 4 V ~ 36 V 250kHz ~ 530kHz Enable, Phase Control, Power Good, Soft Start, Tracking 99.40% Yes No
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Per Unit
$5.4264
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 85°C (TA) Active 20-QFN (5x4) 0 0 2500 4 V ~ 36 V 250kHz ~ 530kHz Enable, Phase Control, Power Good, Soft Start, Tracking 99.40% Yes No
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Per Unit
$5.3550
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Linear Technology/Analog Devices IC REG CTRLR SYNC BUCK 60V 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 150°C (TJ) Active 20-QFN (3x4) 0 0 2500 4 V ~ 60 V 320kHz ~ 2.25MHz Current Limit, Power Good, Soft Start, Tracking 98% No No
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Per Unit
$4.9980
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 125°C (TJ) Active 20-QFN (4x4) 0 0 2500 6 V ~ 36 V 200kHz ~ 1MHz Enable, Frequency Control, Soft Start - Yes Yes
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Per Unit
$4.9878
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Linear Technology/Analog Devices IC REG CTRLR SYNC BUCK 60V 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 125°C (TJ) Active 20-QFN (3x4) 0 0 2500 4 V ~ 60 V 320kHz ~ 2.25MHz Current Limit, Power Good, Soft Start, Tracking 98% No No
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Per Unit
$4.7634
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 85°C (TA) Active 20-QFN (5x4) 0 0 2500 4 V ~ 36 V 250kHz ~ 530kHz Enable, Phase Control, Power Good, Soft Start, Tracking 99.40% Yes No
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Per Unit
$4.3656
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 85°C (TA) Active 20-QFN (5x4) 0 0 2500 4 V ~ 36 V 250kHz ~ 530kHz Enable, Phase Control, Power Good, Soft Start, Tracking 99.40% Yes No
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Per Unit
$4.3554
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Linear Technology/Analog Devices IC REG CTRLR SYNC BUCK 60V 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 125°C (TJ) Active 20-QFN (3x4) 0 0 2500 4 V ~ 60 V 320kHz ~ 2.25MHz Current Limit, Power Good, Soft Start, Tracking 98% No No
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Per Unit
$3.7536
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 150°C (TJ) Active 20-QFN (3x4) 0 0 2500 4 V ~ 38 V 50kHz ~ 900kHz Current Limit, Enable, Frequency Control, Soft Start, Tracking 99% Yes No
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Per Unit
$3.6924
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 125°C (TJ) Active 20-QFN (3x4) 0 0 2500 4.5 V ~ 38 V 200kHz ~ 2MHz Enable, Frequency Control, Power Good, Soft Start, Tracking - Yes No
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Per Unit
$3.4798
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Texas Instruments IC REG CTRLR MULT TOPOLOGY 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Up/Step-Down Flyback, Forward Converter Positive, Isolation Capable -40°C ~ 105°C (TA) Not For New Designs 20-QFN (4x4) 0 0 250 8.5 V ~ 14.5 V 250kHz Enable, On Time Control, Soft Start 74% Yes Yes
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Per Unit
$3.3864
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 125°C (TJ) Active 20-QFN (3x4) 2500 0 2500 4 V ~ 38 V 50kHz ~ 900kHz Current Limit, Enable, Frequency Control, Soft Start, Tracking 99% Yes No
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Per Unit
$3.2028
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 125°C (TJ) Active 20-QFN (3x4) 0 0 2500 4.5 V ~ 38 V 200kHz ~ 2MHz Enable, Frequency Control, Power Good, Soft Start, Tracking - Yes No
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Per Unit
$3.1620
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Linear Technology/Analog Devices IC REG CTRLR SYNC 20-QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) PWM Step-Up, Step-Down Buck, Boost, Buck-Boost, SEPIC Positive -40°C ~ 125°C (TJ) Active 20-QFN (3x4) 0 0 2500 4.5 V ~ 42 V 100kHz ~ 750kHz Enable, Frequency Control, Soft Start 100% No Yes
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Per Unit
$2.9478
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Linear Technology/Analog Devices IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 125°C (TJ) Active 20-QFN (3x4) 0 0 2500 4 V ~ 38 V 50kHz ~ 900kHz Current Limit, Enable, Frequency Control, Soft Start, Tracking 99% Yes No
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Per Unit
$2.9070
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Linear Technology/Analog Devices IC REG CTRLR SYNC 20-QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) PWM Step-Up, Step-Down Buck, Boost, Buck-Boost, SEPIC Positive -40°C ~ 125°C (TJ) Active 20-QFN (3x4) 0 0 2500 4.5 V ~ 42 V 100kHz ~ 750kHz Enable, Frequency Control, Soft Start 100% No Yes
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Per Unit
$2.3336
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Maxim Integrated IC REG CTRLR BUCK 20-TQFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 85°C (TA) Active 20-TQFN (4x4) 2500 0 2500 4.5 V ~ 28 V 200kHz ~ 1.4MHz Current Limit, Enable, Frequency Control, Soft Start - Yes No
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Per Unit
$2.3210
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Maxim Integrated 4.5V TO 60V, EXTERNAL FET CONTRO 20-WFQFN Exposed Pad - Transistor Driver Step-Down Buck Positive -40°C ~ 125°C Active 20-TQFN-EP (4x4) 7500 0 2500 4.5 V ~ 60 V 100kHz ~ 2.2MHz Enable - Yes No
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Per Unit
$2.2238
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Texas Instruments IC REG CTRLR MULT TOPOLOGY 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Up/Step-Down Flyback, Forward Converter Positive, Isolation Capable -40°C ~ 105°C (TA) Not For New Designs 20-QFN (4x4) 0 0 3000 8.5 V ~ 14.5 V 250kHz Enable, On Time Control, Soft Start 74% Yes Yes
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Per Unit
$1.4944
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Microsemi Corporation IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive 0°C ~ 85°C (TA) Active 20-QFN (3x3) 0 0 3000 5 V ~ 26 V 200kHz ~ 1MHz Current Limit, Enable, On Time Control, Power Good - Yes No
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Per Unit
$1.4053
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Texas Instruments IC REG CTRLR BUCK 20QFN 20-WFQFN Exposed Pad - Tape & Reel (TR) Transistor Driver Step-Down Buck Positive -40°C ~ 125°C (TJ) Not For New Designs 20-QFN (4x4) 0 0 500 4.7 V ~ 15 V up to 2MHz Current Limit - Yes No
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