PWM Controllers

Pulse width modulation (PWM) is a modulation technique that is used to encode a message into a pulsing signal. PWM controllers encode data onto the duty cycle (the ratio or percentage of one period in which a signal or system is active). The encoded data is commonly used in power electronic systems to regulate the amount of power applied to the load. 


How do PWM controllers work?

A PMC will use voltage feedback to ensure that the voltage applied to a load is precisely controlled. The controller will supervise the switching operation to regulate the output voltage by comparing output voltage with the desired output to derive the correct voltage. They are popular because of their high efficiency over a wide voltage input range.


A PWM controller can also be integrated with a hot swap controller for enhanced power monitoring accuracy.


What are PWM controllers used for?

PWM controllers are common in many applications including variable speed fans, house dimmer switches and electric cookers. 


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Omschrijving Prijs Maximum Switching Frequency Start-up Supply Current Maximum Source Current Maximum Sink Current Maximum Supply Current Zero Power Detection Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage
RS-stocknr. 165-2137
FabrikantnummerMCP1630V-E/MS
FabrikantMicrochip
0,825 €
Each (In a Tube of 100)
Aantal stuks
1 MHz - -9mA 11mA 4.5 mA - Surface Mount MSOP 8 3 x 3 x 0.95mm 3mm 3mm 0.95mm 5.5 V
RS-stocknr. 177-7275
FabrikantnummerLT1245CS8#PBF
FabrikantAnalog Devices
2,849 €
Each (In a Tube of 100)
Aantal stuks
500 kHz 250µA -0.75mA 10mA 1 A - Surface Mount SOIC 8 5.004 x 3.988 x 1.498mm 5mm 3.988mm 1.498mm 5.075 V
RS-stocknr. 145-1163
FabrikantnummerUCC28600D
0,862 €
Each (In a Tube of 75)
Aantal stuks
130 kHz - - - - - Surface Mount SOIC 8 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm 21 V
RS-stocknr. 126-2018
FabrikantnummerMCP19124-E/MJ
FabrikantMicrochip
2,04 €
Each
Aantal stuks
2 MHz - 0.5 A, 1 A 0.5 A, 1 A - - Surface Mount QFN 24 4 x 4 x 0.85mm 4mm 4mm 0.85mm 42 V
RS-stocknr. 178-9135
FabrikantnummerSG3524D
0,808 €
Each (In a Tube of 40)
Aantal stuks
450 kHz - - - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm 40 V
RS-stocknr. 197-7629
FabrikantnummerUCC3895DW
3,856 €
Each (In a Tube of 25)
Aantal stuks
500 KHz 0.25mA -0.03mA 0.375mA 30 mA - - SOIC 20 - - - - -
RS-stocknr. 517-2150
FabrikantnummerSG3524D
0,952 €
Each (In a Pack of 5)
Aantal stuks
450 kHz - - - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm 40 V
RS-stocknr. 779-9164
FabrikantnummerLT1241CS8#PBF
FabrikantAnalog Devices
4,565 €
Each (In a Pack of 2)
Aantal stuks
500 kHz 250µA -0.75mA 10mA 1 A - Surface Mount SOIC 8 5.004 x 3.988 x 1.498mm 5mm 3.988mm 1.498mm 5.075 V
RS-stocknr. 170-8911
FabrikantnummerAP3105NVKTR-G1
FabrikantDiodesZetex
0,155 €
Each (On a Reel of 3000)
Aantal stuks
70 kHz 20µA 110µA - 2 mA - Surface Mount SOT-23 6 3.1 x 1.7 x 1.3mm 3.1mm 1.7mm 1.3mm 25 V
RS-stocknr. 774-7422
FabrikantnummerMCP1630V-E/MS
FabrikantMicrochip
0,982 €
Each (In a Bag of 5)
Aantal stuks
1 MHz - -9mA 11mA 4.5 mA - Surface Mount MSOP 8 3 x 3 x 0.95mm 3mm 3mm 0.95mm 5.5 V
RS-stocknr. 162-9675
FabrikantnummerTL594CDR2G
FabrikantON Semiconductor
0,254 €
Each (On a Reel of 2500)
Aantal stuks
300 kHz 8mA -4mA 0.7mA 18 mA - Surface Mount SOIC 16 10 x 4 x 1.5mm 10mm 4mm 1.5mm 40 V
RS-stocknr. 462-2418
FabrikantnummerTL5001ACD
0,902 €
Each (In a Pack of 5)
Aantal stuks
- - - - - - Surface Mount SOIC 8 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm -
RS-stocknr. 145-1180
FabrikantnummerSG2524D
0,808 €
Each (In a Tube of 40)
Aantal stuks
450 kHz - - - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm 40 V
RS-stocknr. 170-8147
FabrikantnummerISL8117FRZ-T7A
FabrikantIntersil
1,637 €
Each (On a Reel of 250)
Aantal stuks
2375 kHz - 2A 2A 4 mA Yes Surface Mount QFN 16 4 x 4 x 0.9mm 4mm 4mm 0.9mm 60 V
RS-stocknr. 170-8910
FabrikantnummerAP3105NAKTR-G1
FabrikantDiodesZetex
0,113 €
Each (On a Reel of 3000)
Aantal stuks
70 kHz 20µA 110µA - 2 mA - Surface Mount SOT-23 6 3.1 x 1.7 x 1.3mm 3.1mm 1.7mm 1.3mm 25 V
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