LMR1420x SIMPLE SWITCHER® Step-Down Regulators

Texas Instruments LMR1420x SIMPLE SWITCHER® Step-Down Regulators are PWM DC/DC buck (step-down) regulators with a wide input range of 4.5V to 42V. These devices are suitable for a range of applications such as power conditioning from unregulated sources. These voltage regulators feature a low RDSON (0.9Ω typical) internal switch for maximum efficiency (85% typical). Operating frequency is fixed at 1.25MHz, allowing the use of small external components while still enabling low output voltage ripple. Soft-start can be implemented using the shutdown pin with an external RC circuit, allowing the user to tailor the soft-start time to a specific application. 

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Dami RoHS ECAD Model Isitilo ng Mounting
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Output Voltage
Current ng Output
Dami ng Output
Quiescent Current
Frequency ng Paglipat
Minimum na Operating Temperature
Maximum na Operating Temperature
Series
Packaging
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER 42 V in 0.3A SD Vltg Reg A 926-LMR14203XMK/NOPB
Datasheet
836May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
: 250

SMD/SMT SOT-23-THIN-6 Buck 765 mV to 34 V 300 mA 1 Output 1.25 MHz - 40 C + 125 C LMR14203 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER 42 V in 0.3A SD Vltg Reg A 926-LMR14203XMKENOPB
Datasheet
8,805May Stock
12,000Inaasahan 11/2/2026
Available ang MouseReel
Min.: 1
Mult.: 1
Max.: 1,340
: 3,000

SMD/SMT SOT-23-THIN-6 Buck 765 mV to 34 V 300 mA 1 Output 1.25 MHz - 40 C + 125 C LMR14203 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER 42 V in 0.6A SD Vltg Reg A 926-LMR14206XMKENOPB
Datasheet
2,220May Stock
2,000Inaasahan 8/12/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 1,000

SMD/SMT SOT-23-THIN-6 Buck 765 mV to 34 V 600 mA 1 Output 16 uA 1.25 MHz - 40 C + 125 C LMR14206 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER 42 V in 0.6A SD Vltg Reg A 926-LMR14206XMK/NOPB
Datasheet
3,342May Stock
4,750Inaasahan 8/4/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 250

SMD/SMT SOT-23-THIN-6 Buck 765 mV to 34 V 600 mA 1 Output 1.25 MHz - 40 C + 125 C LMR14206 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER 42 V in 0.3A SD Vltg Reg A 926-LMR14203XMKENOPB
Datasheet
76May Stock
9,000Inoorder
Available ang MouseReel
Min.: 1
Mult.: 1
: 1,000

SMD/SMT SOT-23-THIN-6 Buck 765 mV to 34 V 300 mA 1 Output 16 uA 1.25 MHz - 40 C + 125 C LMR14203 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER 42 V in 0.6A SD Vltg Reg A 926-LMR14206XMKENOPB
Datasheet
117May Stock
3,000Inaasahan 8/27/2026
Available ang MouseReel
Min.: 1
Mult.: 1
: 3,000

SMD/SMT SOT-23-THIN-6 Buck 765 mV to 34 V 600 mA 1 Output 1.25 MHz - 40 C + 125 C LMR14206 Reel, Cut Tape, MouseReel