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 823-0016
Tillv. art.nrLTC3723EGN-1#PBF
VarumärkeAnalog Devices
99,88 kr
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1 MHz 230µA 700µA 5mA 8 mA - Surface Mount SSOP 16 4.978 x 3.988 x 1.501mm 4.98mm 3.988mm 1.501mm 9.5 V
RS-artikelnummer 155-7734
Tillv. art.nrLTC3723EGN-1#PBF
VarumärkeAnalog Devices
63,346 kr
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1 MHz 230µA 700µA 5mA 8 mA - Surface Mount SSOP 16 4.978 x 3.988 x 1.501mm 4.98mm 3.988mm 1.501mm 9.5 V
RS-artikelnummer 145-1163
Tillv. art.nrUCC28600D
VarumärkeTexas Instruments
11,945 kr
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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 389-299
Tillv. art.nrUCC28600D
VarumärkeTexas Instruments
14,104 kr
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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 145-4652
Tillv. art.nrKA7552A
VarumärkeON Semiconductor
2,875 kr
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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-artikelnummer 862-9375
Tillv. art.nrKA7552A
VarumärkeON Semiconductor
3,20 kr
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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-artikelnummer 162-4341
Tillv. art.nrTL5001CP
VarumärkeTexas Instruments
15,81 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 809-5393
Tillv. art.nrTL494CNSR
VarumärkeTexas Instruments
5,336 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 200-6779
Tillv. art.nrTL5001CP
VarumärkeTexas Instruments
18,30 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 786-2543
Tillv. art.nrTL494CDR2G
VarumärkeON Semiconductor
5,242 kr
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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-artikelnummer 162-9674
Tillv. art.nrTL494CDR2G
VarumärkeON Semiconductor
2,229 kr
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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-artikelnummer 162-6749
Tillv. art.nrTL494CNSR
VarumärkeTexas Instruments
2,56 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 828-7444
Tillv. art.nrAP3105NVKTR-G1
VarumärkeDiodesZetex
1,166 kr
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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-artikelnummer 811-5661
Tillv. art.nrLM5046MH/NOPB
VarumärkeTexas Instruments
53,46 kr
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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
RS-artikelnummer 862-9384
Tillv. art.nrKA7553A
VarumärkeON Semiconductor
2,226 kr
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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-artikelnummer 177-7275
Tillv. art.nrLT1245CS8#PBF
VarumärkeAnalog Devices
29,016 kr
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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-artikelnummer 121-7263
Tillv. art.nrISL68201IRZ-T7A
VarumärkeIntersil
44,36 kr
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1.5 MHz - - - - Yes Surface Mount QFN 24 4 x 4 x 0.85mm 4mm 4mm 0.85mm 24 V
RS-artikelnummer 162-7708
Tillv. art.nrLM5046MH/NOPB
VarumärkeTexas Instruments
48,152 kr
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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
RS-artikelnummer 812-4378
Tillv. art.nrUCD9224RGZT
VarumärkeTexas Instruments
38,56 kr
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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 125-0801
Tillv. art.nrISL68124IRAZ-T7A
VarumärkeIntersil
82,93 kr
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1000 kHz - - - 63 mA - Surface Mount TQFN 40 5 x 5 x 0.7mm 5mm 5mm 0.7mm +3.3 V
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