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. 526-947
FabrikantnummerSG2524DR
0,844 €
Each (In a Pack of 10)
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. 162-9586
FabrikantnummerNCV494BDR2G
FabrikantON Semiconductor
0,414 €
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. 168-5127
FabrikantnummerTL1451ACD
1,435 €
Each (In a Tube of 40)
Aantal stuks
- - - - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm -
RS-stocknr. 162-7708
FabrikantnummerLM5046MH/NOPB
4,435 €
Each (In a Tube of 48)
Aantal stuks
540 kHz 80mA 1.5A 2A 4.6 mA Yes Surface Mount HTSSOP 28 9.7 x 4.4 x 0.9mm 9.7mm 4.4mm 0.9mm 100 V
RS-stocknr. 121-9164
FabrikantnummerTL494IDR
0,124 €
Each (On a Reel of 2500)
Aantal stuks
300 kHz - - - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm 40 V
RS-stocknr. 197-7630
FabrikantnummerUCC3895DW
4,52 €
Each
Aantal stuks
500 KHz 0.25mA -0.03mA 0.375mA 30 mA - - SOIC 20 - - - - -
RS-stocknr. 162-4865
FabrikantnummerTL5001ACD
0,867 €
Each (In a Tube of 75)
Aantal stuks
- - - - - - Surface Mount SOIC 8 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm -
Nieuw
RS-stocknr. 202-5464
FabrikantnummerA6727TR
2,092 €
Each (In a Pack of 5)
Aantal stuks
300 kHz 0.5mA 1500mA 0.065mA 6 mA - - SO-8 8 - - - - -
RS-stocknr. 162-9009
FabrikantnummerNCP3011DTBR2G
FabrikantON Semiconductor
0,368 €
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. 121-7273
FabrikantnummerISL8117FRZ-T7A
FabrikantIntersil
1,68 €
Each
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. 809-5393
FabrikantnummerTL494CNSR
0,498 €
Each (In a Pack of 5)
Aantal stuks
300 kHz 9 → 15mA 200mA 200mA 3.5 mA Yes Surface Mount SOIC 16 10.5 x 5.6 x 1.85mm 10.5mm 5.6mm 1.85mm 40 V
RS-stocknr. 661-6875
FabrikantnummerTL494IDR
0,44 €
Each (In a Pack of 5)
Aantal stuks
300 kHz - - - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm 40 V
RS-stocknr. 652-5779
FabrikantnummerUCC2895DW
5,05 €
Each
Aantal stuks
1 MHz 150µA - - - - Surface Mount SOIC 20 12.8 x 7.52 x 2.35mm 12.8mm 7.52mm 2.35mm 16.5 V
RS-stocknr. 121-6370
FabrikantnummerNCP1031DR2G
FabrikantON Semiconductor
0,772 €
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. 121-8257
FabrikantnummerLM5022MM/NOPB
1,153 €
Each (On a Reel of 1000)
Aantal stuks
2 MHz - - - 4 mA - Surface Mount MSOP 10 3 x 3 x 0.86mm 3mm 3mm 0.86mm -
RS-stocknr. 175-1177
FabrikantnummerEVALKITSTKNX
165,49 €
Each
Aantal stuks
16 (Microcontroller) MHz - - - - - - - - - 155mm 70mm - -
RS-stocknr. 828-7444
FabrikantnummerAP3105NVKTR-G1
FabrikantDiodesZetex
0,466 €
Each (In a Pack of 25)
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. 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. 175-1176
FabrikantnummerSTCH03TR
0,534 €
Each (On a Reel of 2500)
Aantal stuks
196 kHz 0.9mA - - 2.9 mA Yes Surface Mount SO8 8 5 x 6.2 x 1.5mm 5mm 4mm 1.5mm 23 V
RS-stocknr. 121-9013
FabrikantnummerUCC2895DW
4,269 €
Each (In a Tube of 25)
Aantal stuks
1 MHz 150µA - - - - Surface Mount SOIC 20 12.8 x 7.52 x 2.35mm 12.8mm 7.52mm 2.35mm 16.5 V
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