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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Beskrivning Pris 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-artikelnummer 389-299
Tillv. art.nrUCC28600D
VarumärkeTexas Instruments
14,372 kr
Each (In a Pack of 5)
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130 kHz - - - - - Surface Mount SOIC 8 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm 21 V
RS-artikelnummer 145-1163
Tillv. art.nrUCC28600D
VarumärkeTexas Instruments
9,787 kr
Each (In a Tube of 75)
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130 kHz - - - - - Surface Mount SOIC 8 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm 21 V
RS-artikelnummer 200-6779
Tillv. art.nrTL5001CP
VarumärkeTexas Instruments
19,03 kr
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500 kHz - - - 2.1 mA - Through Hole PDIP 8 9.81 x 6.35 x 4.57mm 9.81mm 6.35mm 4.57mm -
RS-artikelnummer 162-4341
Tillv. art.nrTL5001CP
VarumärkeTexas Instruments
16,052 kr
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500 kHz - - - 2.1 mA - Through Hole PDIP 8 9.81 x 6.35 x 4.57mm 9.81mm 6.35mm 4.57mm -
RS-artikelnummer 162-6749
Tillv. art.nrTL494CNSR
VarumärkeTexas Instruments
2,225 kr
Each (On a Reel of 2000)
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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-artikelnummer 809-5393
Tillv. art.nrTL494CNSR
VarumärkeTexas Instruments
5,46 kr
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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-artikelnummer 181-348
Tillv. art.nrLM5022MM/NOPB
VarumärkeTexas Instruments
26,532 kr
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2 MHz - - - 4 mA - Surface Mount MSOP 10 3 x 3 x 0.86mm 3mm 3mm 0.86mm -
RS-artikelnummer 528-123
Tillv. art.nrTL494CN
VarumärkeTexas Instruments
4,67 kr
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300 kHz - - - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 40 V
RS-artikelnummer 162-7708
Tillv. art.nrLM5046MH/NOPB
VarumärkeTexas Instruments
52,204 kr
Each (In a Tube of 48)
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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
Nytt
RS-artikelnummer 197-7629
Tillv. art.nrUCC3895DW
VarumärkeTexas Instruments
62,52 kr
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500 KHz 0.25mA - - 30 mA - - SOIC 20 - - - - -
RS-artikelnummer 652-5779
Tillv. art.nrUCC2895DW
VarumärkeTexas Instruments
54,08 kr
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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-artikelnummer 462-1083
Tillv. art.nrTL1451ACD
VarumärkeTexas Instruments
18,84 kr
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- - - - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm -
RS-artikelnummer 824-6914
Tillv. art.nrLM5039MH/NOPB
VarumärkeTexas Instruments
45,08 kr
Each (In a Pack of 2)
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2 MHz 70µA 6mA 2A 6 mA Yes Surface Mount HTSSOP 20 6.5 x 4.4 x 0.9mm 6.5mm 4.4mm 0.9mm 105 V
RS-artikelnummer 655-4389
Tillv. art.nrLM5026MT/NOPB
VarumärkeTexas Instruments
31,972 kr
Each (In a Pack of 5)
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590 kHz - - - - - Surface Mount TSSOP 16 5 x 4.4 x 0.9mm 5mm 4.4mm 0.9mm -
RS-artikelnummer 145-1180
Tillv. art.nrSG2524D
VarumärkeTexas Instruments
8,918 kr
Each (In a Tube of 40)
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450 kHz - - - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm 40 V
RS-artikelnummer 812-4353
Tillv. art.nrUCC28950PW
VarumärkeTexas Instruments
70,93 kr
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1 MHz 270µA -0.5mA 5.75mA 10 mA Yes Surface Mount TSSOP 24 7.9 x 4.5 x 1.05mm 7.9mm 4.5mm 1.05mm 17 V
RS-artikelnummer 517-2150
Tillv. art.nrSG3524D
VarumärkeTexas Instruments
10,484 kr
Each (In a Pack of 5)
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450 kHz - - - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm 40 V
RS-artikelnummer 812-4378
Tillv. art.nrUCD9224RGZT
VarumärkeTexas Instruments
36,05 kr
1 Tape of 1
Tape(s)
2 MHz - - - 65 mA Yes Surface Mount QFN 48 7.15 x 7.15 x 0.95mm 7.15mm 7.15mm 0.95mm 3.6 V
RS-artikelnummer 168-5127
Tillv. art.nrTL1451ACD
VarumärkeTexas Instruments
16,009 kr
Each (In a Tube of 40)
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- - - - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm -
RS-artikelnummer 121-8257
Tillv. art.nrLM5022MM/NOPB
VarumärkeTexas Instruments
12,788 kr
Each (On a Reel of 1000)
Enheter
2 MHz - - - 4 mA - Surface Mount MSOP 10 3 x 3 x 0.86mm 3mm 3mm 0.86mm -