About Switching Voltage Regulators

Stmicroelectronics Switching Voltage Regulators

A switched-mode voltage regulator (also known as a switching regulator or DC-DC converter) is an electronic power supply that uses switching technology to convert a DC voltage from one level to another. It generally works by rapidly switching back and forth between two separate and distinct power supplies, while using either a transformer or inductor to store energy. This allows the output voltage to be individually regulated. Switching regulators are used due to their efficiency, stability, noise reduction, and lower cost, compared to linear voltage regulators. They have become increasingly popular in low-power applications where small, lightweight forms of regulation are needed.

Switching Voltage Regulators

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(Ex. GST)(▲▼)		Enter Qty Mounting StylePackage / CaseOutput VoltageOutput CurrentNumber of OutputsInput Voltage MAXTopologyInput Voltage MINSwitching FrequencyMinimum Operating TemperatureMaximum Operating TemperatureQualificationSeriesPackagingQuiescent Current
  
                   
L5981TR


Voltage Regulators - Switching Regulators 1a Step-Down Switching Reg
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics Availability : 170720
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USD 1.6328
Multiples of: 4000

Smd/SmtQFPN - 8    Buck     L5981Reel 
ST1S50PUR


Voltage Regulators - Switching Regulators 4A Monolithic synchronous step-down converter with high efficiency at light load
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics Availability : 125130
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USD 1.3001
Multiples of: 3000

Smd/SmtVFDFPN - 80.8 V To 18 V4 A1 Output18 VBuck4 V500 KHz- 40 C+ 150 C St1s50  
MC34063ECN


Buck, Boost Switching Regulator IC Positive or Negative Adjustable 1.25V 1 Output 1.5A (Switch) 8-DIP (0.300", 7.62mm)
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics Availability : 77285
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USD 0.2528
Multiples of: 1

   1.5 A 40 VBuck, Boost, Inverting3 V       
STBB3JR


STMicroelectronics Voltage Regulators - Switching Regulators
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics Availability : 48500
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USD 1.9734
Multiples of: 5000

Smd/SmtFLIP - CHIP - 201.2 V To 5.5 V2 A1 Output5.5 VBuck, Boost1.8 V2 MHz- 40 C+ 85 C Stbb3jReel 
L7981ATR


Voltage Regulators - Switching Regulators 3 A Step-Down Reg 4.5V to 28V 250 kHz
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics Availability : 41225
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USD 1.05
Multiples of: 1

Smd/SmtHSOP - 8600 mV To 28 V3 A 28 V  250 KHz   L7981Reel 
L7987TR


Switching Voltage Regulators 61 V 3 A asynchronous step-down switching regulator adjustable current limit
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics Availability : 36375
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USD 2.1775
Multiples of: 2500

            L7987  
ST1S09PUR


STMicroelectronics Voltage Regulators - Switching Regulators 2A 1.5 MHz PWM Step Down Switch Reg
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics Availability : 26190
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USD 1.0297
Multiples of: 3000

Smd/SmtDFN - 6    Buck     St1s09Reel 
ST1S41PUR


Voltage Regulators - Switching Regulators 4 A SD switch reg 4.0V to 18V 850kHz
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics Availability : 26190
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USD 1.0963
Multiples of: 4500

Smd/SmtVFQFPN - 8adj4 A 18 VBuck4 V850 KHz- 40 C+ 150 C St1s41Reel 
MC34063ACD-TR


Buck, Boost Switching Regulator IC Positive or Negative Adjustable 1.25V 1 Output 1.5A (Switch) 8-SOIC (0.154", 3.90mm Width)
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics Availability : 24731
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USD 0.1531
Multiples of: 5

Smd/SmtSO - 85 V To 28 V1.5 A 40 V  100 KHz0 C+ 70 C Mc34063acReel 
ST1S03PUR


Voltage Regulators - Switching Regulators 3-16V STEP DOWN
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics Availability : 2474
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USD 0.9885
Multiples of: 1

Smd/SmtDFN - 6adj1.5 A116 VBuck 1.5 MHz   St1s03Reel 
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