Picture Mfr Part # Unit Price QUANTITY Inventory MANUFACTURE Description Package Series Part Status Packaging Operating Temperature Package / Case Output Type Supplier Device Package Function Frequency - Switching Topology Voltage - Supply (Vcc/Vdd) Control Features Output Configuration Number of Outputs Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces
GLOBAL STOCKS
ISL8121IRZ-T
Per Unit
$1.89
RFQ
RFQ
3,740
In-stock
Intersil IC REG CTRLR BUCK 24QFN - Active Tape & Reel (TR) -40°C ~ 85°C (TA) 24-VFQFN Exposed Pad Transistor Driver 24-QFN-EP (4x4) Step-Down 150kHz ~ 2MHz Buck 4.9 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 2 66% Yes No -
LM3743MM-300/NOPB
RFQ
RFQ
2,568
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Not For New Designs Digi-Reel® -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 91% Yes No -
LM3743MM-300/NOPB
Per Unit
$2.85
RFQ
RFQ
1,011
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Not For New Designs Cut Tape (CT) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 91% Yes No -
LM3743MM-300/NOPB
Per Unit
$1.30
RFQ
RFQ
629
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Not For New Designs Tape & Reel (TR) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 91% Yes No -
Default Photo
Per Unit
$4.21
RFQ
RFQ
3,141
In-stock
Intersil IC REG CTRLR BUCK PMBUS 36QFN Digital-DC™ Active Tube -40°C ~ 85°C (TA) 36-VFQFN Exposed Pad Transistor Driver 36-QFN (6x6) Step-Down 200kHz ~ 1.4MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 95% Yes Yes I²C, PMBus, SMBus
Default Photo
Per Unit
$4.21
RFQ
RFQ
3,181
In-stock
Intersil IC REG CTRLR BUCK PMBUS 36QFN Digital-DC™ Active Tube -40°C ~ 85°C (TA) 36-VFQFN Exposed Pad Transistor Driver 36-QFN (6x6) Step-Down 200kHz ~ 1.4MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 95% Yes Yes I²C, PMBus, SMBus
Default Photo
Per Unit
$4.21
RFQ
RFQ
2,012
In-stock
Intersil IC REG CTRLR BUCK PMBUS 36QFN Digital-DC™ Active Tube -40°C ~ 85°C (TA) 36-VFQFN Exposed Pad Transistor Driver 36-QFN (6x6) Step-Down 200kHz ~ 1.4MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 95% Yes Yes I²C, PMBus, SMBus
ISL8121IRZ-T
Per Unit
$1.89
RFQ
RFQ
3,740
In-stock
Intersil IC REG CTRLR BUCK 24QFN - Active Tape & Reel (TR) -40°C ~ 85°C (TA) 24-VFQFN Exposed Pad Transistor Driver 24-QFN-EP (4x4) Step-Down 150kHz ~ 2MHz Buck 4.9 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 2 66% Yes No -
LM3743MM-300/NOPB
RFQ
RFQ
2,568
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Not For New Designs Digi-Reel® -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 91% Yes No -
LM3743MM-300/NOPB
Per Unit
$2.85
RFQ
RFQ
1,011
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Not For New Designs Cut Tape (CT) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 91% Yes No -
LM3743MM-300/NOPB
Per Unit
$1.30
RFQ
RFQ
629
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Not For New Designs Tape & Reel (TR) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 91% Yes No -
Default Photo
Per Unit
$4.21
RFQ
RFQ
3,141
In-stock
Intersil IC REG CTRLR BUCK PMBUS 36QFN Digital-DC™ Active Tube -40°C ~ 85°C (TA) 36-VFQFN Exposed Pad Transistor Driver 36-QFN (6x6) Step-Down 200kHz ~ 1.4MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 95% Yes Yes I²C, PMBus, SMBus
Default Photo
Per Unit
$4.21
RFQ
RFQ
3,181
In-stock
Intersil IC REG CTRLR BUCK PMBUS 36QFN Digital-DC™ Active Tube -40°C ~ 85°C (TA) 36-VFQFN Exposed Pad Transistor Driver 36-QFN (6x6) Step-Down 200kHz ~ 1.4MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 95% Yes Yes I²C, PMBus, SMBus
Default Photo
Per Unit
$4.21
RFQ
RFQ
2,012
In-stock
Intersil IC REG CTRLR BUCK PMBUS 36QFN Digital-DC™ Active Tube -40°C ~ 85°C (TA) 36-VFQFN Exposed Pad Transistor Driver 36-QFN (6x6) Step-Down 200kHz ~ 1.4MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 95% Yes Yes I²C, PMBus, SMBus
ISL8121IRZ
Per Unit
$3.92
RFQ
RFQ
678
In-stock
Intersil IC REG CTRLR BUCK 24QFN - Active Tube -40°C ~ 85°C (TA) 24-VFQFN Exposed Pad Transistor Driver 24-QFN-EP (4x4) Step-Down 150kHz ~ 2MHz Buck 4.9 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 2 66% Yes No -
LM3743MMX-300/NOPB
RFQ
RFQ
1,924
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Obsolete Tape & Reel (TR) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 91% Yes No -
LM3743MMX-1000/NOPB
RFQ
RFQ
1,407
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Obsolete Tape & Reel (TR) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 76% Yes No -
LM3743MM-300
RFQ
RFQ
1,213
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Obsolete Digi-Reel® -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 91% Yes No -
LM3743MM-300
RFQ
RFQ
1,385
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Obsolete Cut Tape (CT) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 91% Yes No -
LM3743MM-300
RFQ
RFQ
764
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Obsolete Tape & Reel (TR) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 91% Yes No -
LM3743MM-1000
RFQ
RFQ
2,820
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Obsolete Digi-Reel® -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 1MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 76% Yes No -
LM3743MM-1000
RFQ
RFQ
2,009
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Obsolete Cut Tape (CT) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 1MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 76% Yes No -
LM3743MM-1000
RFQ
RFQ
1,796
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Obsolete Tape & Reel (TR) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 1MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 76% Yes No -
LM3743MMX-300
RFQ
RFQ
3,965
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Obsolete Tape & Reel (TR) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 91% Yes No -
LM3743MMX-1000
RFQ
RFQ
2,867
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Obsolete Tape & Reel (TR) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 300kHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 76% Yes No -
LM3743MM-1000/NOPB
RFQ
RFQ
761
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Discontinued at Digi-Key Digi-Reel® -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 1MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 76% Yes No -
LM3743MM-1000/NOPB
RFQ
RFQ
3,464
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Discontinued at Digi-Key Cut Tape (CT) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 1MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 76% Yes No -
LM3743MM-1000/NOPB
Per Unit
$1.30
RFQ
RFQ
2,148
In-stock
Texas Instruments IC REG CTRLR BUCK 10MSOP - Not For New Designs Tape & Reel (TR) -40°C ~ 125°C (TJ) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Transistor Driver 10-VSSOP Step-Down 1MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 76% Yes No -
Default Photo
Per Unit
$3.67
RFQ
RFQ
1,306
In-stock
Intersil IC REG CTRLR BUCK PMBUS 36QFN Digital-DC™ Active Tape & Reel (TR) -40°C ~ 85°C (TA) 36-VFQFN Exposed Pad Transistor Driver 36-QFN (6x6) Step-Down 200kHz ~ 1.4MHz Buck 3 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 1 95% Yes Yes I²C, PMBus, SMBus
ISL8121IRZ
Per Unit
$3.92
RFQ
RFQ
678
In-stock
Intersil IC REG CTRLR BUCK 24QFN - Active Tube -40°C ~ 85°C (TA) 24-VFQFN Exposed Pad Transistor Driver 24-QFN-EP (4x4) Step-Down 150kHz ~ 2MHz Buck 4.9 V ~ 5.5 V Current Limit, Enable, Soft Start, Tracking Positive 2 66% Yes No -