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
  
                   
ST1S40IPHR


Driver; DC/DC converter; 3A; 0.8÷18V; Channels:1; Uoper:4÷18V
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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 : 164900
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USD 1.352
Multiples of: 2500

  0.8 To 18 V3 A  Buck        
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 : 69840
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USD 0.9611
Multiples of: 3000

Smd/SmtDFN - 6adj1.5 A116 VBuck 1.5 MHz   St1s03Reel 
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 : 62080
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USD 1.6575
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 : 52380
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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  
MC34063ABD-TR


Voltage Regulators - Switching Regulators 3.0 to 40V DC-DC Cnv
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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 0.1685
Multiples of: 2500

Smd/SmtSO - 85 V To 28 V1.5 A 40 VBuck 100 KHz- 40 C+ 85 C Mc34063abReel 
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 
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 : 40812
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USD 0.1705
Multiples of: 5

Smd/SmtSO - 85 V To 28 V1.5 A 40 V  100 KHz0 C+ 70 C Mc34063acReel 
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 : 31525
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USD 2.1449
Multiples of: 2500

            L7987  
ST1S14PHR


Switching Voltage Regulators Up to 3A Step Down 3A DC 5.5-48V 850Mhz
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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 : 2394
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USD 0.9646
Multiples of: 1

   3 A 48 VBuck (Step Down)5.5 V1 MHz      
ST1S12GR


Voltage Regulators - Switching Regulators SYNCH RECT W/ENABLE STEP-DOWN REG 1.7
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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 : 988
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USD 0.5307
Multiples of: 1

Smd/SmtTSOT - 231.2 V700 mA15.5 VBuck 1.7 MHz   St1s12gReel 
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