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. 121-6370
FabrikantnummerNCP1031DR2G
FabrikantON Semiconductor
€ 0,855
Each (On a Reel of 2500)
Aantal stuks
325 kHz 3mA 140µA 900µA 4 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 16 V
RS-stocknr. 786-2445
FabrikantnummerNCP1031DR2G
FabrikantON Semiconductor
€ 0,93
Each (In a Pack of 2)
Aantal stuks
325 kHz 3mA 140µA 900µA 4 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 16 V
RS-stocknr. 805-1804
FabrikantnummerNCP3011DTBR2G
FabrikantON Semiconductor
€ 0,96
Each (On a Tape of 10)
Aantal stuks
400 kHz - 90µA 100µA 12 mA - Surface Mount TSSOP 14 5.1 x 4.5 x 1.05mm 5.1mm 4.5mm 1.05mm 28 V
RS-stocknr. 786-2533
FabrikantnummerNCV494BDR2G
FabrikantON Semiconductor
€ 0,694
Each (In a Pack of 5)
Aantal stuks
200 kHz 7mA -4µA 0.7µA 15 mA - Surface Mount SOIC 16 10 x 4 x 1.5mm 10mm 4mm 1.5mm 40 V
RS-stocknr. 786-2543
FabrikantnummerTL494CDR2G
FabrikantON Semiconductor
€ 0,491
Each (In a Pack of 10)
Aantal stuks
200 kHz 7mA -4mA 0.7mA 15 mA - Surface Mount SOIC 16 10 x 4 x 1.5mm 10mm 4mm 1.5mm 40 V
RS-stocknr. 122-0092
FabrikantnummerMC34025DWR2G
FabrikantON Semiconductor
€ 2,422
Each (On a Reel of 1000)
Aantal stuks
1 MHz - - - - - Surface Mount SOIC W 16 10.45 x 7.6 x 2.4mm 10.45mm 7.6mm 2.4mm 30 V
RS-stocknr. 786-2552
FabrikantnummerTL594CDR2G
FabrikantON Semiconductor
€ 0,467
Each (In a Pack of 10)
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. 162-9009
FabrikantnummerNCP3011DTBR2G
FabrikantON Semiconductor
€ 0,572
Each (On a Reel of 2500)
Aantal stuks
400 kHz - 90µA 100µA 12 mA - Surface Mount TSSOP 14 5.1 x 4.5 x 1.05mm 5.1mm 4.5mm 1.05mm 28 V
RS-stocknr. 162-9674
FabrikantnummerTL494CDR2G
FabrikantON Semiconductor
€ 0,263
Each (On a Reel of 2500)
Aantal stuks
200 kHz 7mA -4mA 0.7mA 15 mA - Surface Mount SOIC 16 10 x 4 x 1.5mm 10mm 4mm 1.5mm 40 V
RS-stocknr. 145-4652
FabrikantnummerKA7552A
FabrikantON Semiconductor
€ 0,346
Each (In a Tube of 50)
Aantal stuks
600 kHz 15mA -5µA 65µA 1.8 mA - Through Hole PDIP 8 9.6 x 6.4 x 3.4mm 9.6mm 6.4mm 3.4mm 30 V
RS-stocknr. 163-0079
FabrikantnummerNCP1351BDR2G
FabrikantON Semiconductor
€ 0,458
Each (On a Reel of 2500)
Aantal stuks
65 kHz 10µA 289µA - 20 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 22 V
RS-stocknr. 162-9515
FabrikantnummerNCP3020ADR2G
FabrikantON Semiconductor
€ 0,429
Each (On a Reel of 2500)
Aantal stuks
350 kHz 5.5mA 100µA 100µA 8 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 28 V
RS-stocknr. 862-9375
FabrikantnummerKA7552A
FabrikantON Semiconductor
€ 0,384
Each (In a Pack of 10)
Aantal stuks
600 kHz 15mA -5µA 65µA 1.8 mA - Through Hole PDIP 8 9.6 x 6.4 x 3.4mm 9.6mm 6.4mm 3.4mm 30 V
RS-stocknr. 786-2451
FabrikantnummerNCP3020ADR2G
FabrikantON Semiconductor
€ 0,715
Each (In a Pack of 10)
Aantal stuks
350 kHz 5.5mA 100µA 100µA 8 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 28 V
RS-stocknr. 864-4746
FabrikantnummerFLS0116MX
FabrikantON Semiconductor
€ 0,465
Each (On a Reel of 2500)
Aantal stuks
300 kHz 150µA - - - - Surface Mount SOIC 7 5 x 4 x 1.5mm 5mm 4mm 1.5mm 20 V
RS-stocknr. 862-9384
FabrikantnummerKA7553A
FabrikantON Semiconductor
€ 0,355
Each (In a Pack of 10)
Aantal stuks
600 kHz 15mA -5µA 65µA 1.8 mA - Through Hole PDIP 8 9.6 x 6.4 x 3.4mm 9.6mm 6.4mm 3.4mm 30 V
RS-stocknr. 162-9586
FabrikantnummerNCV494BDR2G
FabrikantON Semiconductor
€ 0,644
Each (On a Reel of 2500)
Aantal stuks
200 kHz 7mA -4µA 0.7µA 15 mA - Surface Mount SOIC 16 10 x 4 x 1.5mm 10mm 4mm 1.5mm 40 V
RS-stocknr. 162-9675
FabrikantnummerTL594CDR2G
FabrikantON Semiconductor
€ 0,321
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. 774-1098
FabrikantnummerFLS0116MX
FabrikantON Semiconductor
€ 1,185
Each (In a Bag of 2)
Aantal stuks
300 kHz 150µA - - 1.2 mA - Surface Mount SOIC 7 5 x 4 x 1.5mm 5mm 4mm 1.5mm 17 V
RS-stocknr. 145-4653
FabrikantnummerKA7553A
FabrikantON Semiconductor
€ 0,32
Each (In a Tube of 50)
Aantal stuks
600 kHz 15mA -5µA 65µA 1.8 mA - Through Hole PDIP 8 9.6 x 6.4 x 3.4mm 9.6mm 6.4mm 3.4mm 30 V