What are AC DC Converters, Offline Switches ?
AC DC Converters, Offline Switches are electronic components that convert alternating current (AC) to direct current (DC) while providing essential control and protection features. They are commonly used in industrial power management, power conversion subsystems, and production electronics assembly. Important specifications include Control Features, which ensure precise voltage regulation; Duty Cycle, which affects efficiency and thermal performance; and Fault Protection, which safeguards against overloads and short circuits. Procurement teams should validate lifecycle status and consider alternate-source options to mitigate sourcing risks.
Parts in this category
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Compare stocked parts across manufacturers and distributors, then add lines to your RFQ.
| Part & Mfr | Total Stock | Pricing & RFQ | Control Features | Duty Cycle | Fault Protection | Frequency | Internal Switch(s) | Mounting Type | Operating Temperature | Output Isolation | Power (Watts) | Supplier Device Package | Topology | Voltage | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
On Semiconductor
|
503,884
|
Price on request
503,884
|
Frequency Control | 75% | Current Limiting, Over Temperature | Up to 1MHz | Yes | Surface Mount | -40°C ~ 150°C (TJ) | Either | 6 W | 8-DFN (4x4) | Boost, Flyback, Forward | 7.6V ~ 16V | |
STMicroelectronics
|
461,531
|
Price on request
461,531
|
- | 50% | Over Current, Over Voltage | 196kHz | No | Surface Mount | -25°C ~ 125°C (TJ) | Isolated | - | 8-SOIC | Flyback | 11.5V ~ 23V | |
STMicroelectronics
|
450,300
|
Price on request
450,300
|
- | - | Current Limiting, Over Temperature, Over Voltage | 60kHz | Yes | Through Hole | -40°C ~ 150°C (TC) | Non-Isolated | 13 W | 8-DIP | - | 9V ~ 38V | |
On Semiconductor
|
444,264
|
Price on request
444,264
|
- | - | Current Limiting, Over Voltage, Short Circuit | - | No | Surface Mount | -40°C ~ 125°C (TJ) | Isolated | 20 W | 6-TSOP | Flyback | 6.5V ~ 28V | |
Power Integrations
|
411,150
|
Price on request
411,150
|
EN | 65% | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit | 132kHz | Yes | Through Hole | -40°C ~ 150°C (TJ) | Isolated | 23.5 W | 8-PDIP-C | Flyback | 700V | |
|
Renesas
|
369,740
|
Price on request
369,740
|
- | - | - | - | - | - | - | - | - | - | - | - | |
STMicroelectronics
|
277,500
|
Price on request
277,500
|
Frequency Control, Soft Start | 70% | Current Limiting, Over Temperature, Over Voltage | 100kHz | No | Surface Mount | -25°C ~ 150°C (TJ) | Isolated | - | 16-SO | Flyback | 9.4V ~ 22V | |
Texas Instruments
|
260,786
|
Price on request
260,786
|
- | - | Current Limiting, Over Temperature, Over Voltage | 420Hz ~ 115kHz | Yes | Surface Mount | -40°C ~ 125°C (TJ) | Isolated | 9.5 W | 7-SOIC | Flyback | 6.5V ~ 30V | |
|
STMicroelectronics
|
247,224
|
Price on request
247,224
|
- | 70% | Current Limiting, Over Temperature | 60kHz | Yes | Surface Mount | -40°C ~ 150°C (TJ) | Either | 20 W | 16-SO | Flyback | 11.5V ~ 23.5V | |
|
Texas Instruments
|
208,525
|
Price on request
208,525
|
Frequency Control | 49% | Current Limiting | Up to 1MHz | No | Surface Mount | -40°C ~ 85°C (TA) | - | - | 8-SOIC | Boost, Flyback, Forward | 8.3V ~ 12V | |
On Semiconductor
|
204,560
|
Price on request
204,560
|
Frequency Control, Soft Start | 48% | Current Limiting | Up to 500kHz | No | Surface Mount | -25°C ~ 125°C (TJ) | Isolated | - | 8-SOIC | Flyback, Forward | 9V ~ 28V | |
STMicroelectronics
|
201,100
|
Price on request
201,100
|
- | 70% | Current Limiting, Open Loop, Over Temperature | 60kHz | Yes | Surface Mount | -40°C ~ 150°C (TJ) | Either | 8 W | 10-SSOP | Buck, Flyback | 11.5V ~ 23.5V | |
On Semiconductor
|
200,000
|
Price on request
200,000
|
- | 67% | Current Limiting, Over Load, Over Temperature, Over Voltage | 100kHz | Yes | Surface Mount | -25°C ~ 85°C (TA) | Isolated | 17 W | 8-LSOP | Flyback | 8V ~ 20V | |
On Semiconductor
|
200,000
|
Price on request
200,000
|
- | - | Over Temperature, Over Voltage | 18.5kHz ~ 130kHz | No | Surface Mount | -40°C ~ 150°C (TJ) | Isolated | - | 10-SOIC | Flyback | 6V ~ 25V | |
On Semiconductor
|
199,886
|
Price on request
199,886
|
- | 67% | Over Load, Over Temperature, Over Voltage | 100kHz | Yes | Surface Mount | -40°C ~ 150°C (TJ) | Isolated | 19 W | SOT-223 (TO-261) | Flyback | 8.5V ~ 10V | |
On Semiconductor
|
197,500
|
Price on request
197,500
|
- | 68% | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit | 100kHz | Yes | Through Hole | -40°C ~ 125°C (TJ) | Isolated | 19 W | 7-PDIP | Flyback | 6.3V ~ 10V | |
|
STMicroelectronics
|
196,700
|
Price on request
196,700
|
- | - | Current Limiting, Over Temperature, Over Voltage | 60kHz | Yes | Surface Mount | -40°C ~ 150°C (TC) | Isolated | 7 W | 8-SOIC | Flyback | 8V ~ 38V | |
On Semiconductor
|
190,691
|
Price on request
190,691
|
- | 80% | Over Load, Over Power, Over Temperature, Over Voltage | 100kHz | No | Surface Mount | -40°C ~ 150°C (TJ) | Isolated | - | 7-SOIC | Flyback | 9.3V ~ 28V | |
|
STMicroelectronics
|
161,251
|
Price on request
161,251
|
Soft Start | 75% | Current Limiting, Over Load | 10kHz ~ 300kHz | No | Surface Mount | -40°C ~ 150°C (TJ) | Isolated | - | 16-SO | Flyback | 8V ~ 23V | |
On Semiconductor
|
143,500
|
Price on request
143,500
|
- | 80% | Over Load, Over Temperature, Over Voltage | 65kHz | No | Surface Mount | -40°C ~ 150°C (TJ) | Isolated | - | 7-SOIC | Flyback | 9.9V ~ 20V | |
|
STMicroelectronics
|
137,518
|
Price on request
137,518
|
- | - | Current Limiting, Over Temperature, Over Voltage | 60kHz | Yes | Surface Mount | -40°C ~ 150°C (TC) | Non-Isolated | 8 W | 8-SOIC | - | 9V ~ 38V | |
On Semiconductor
|
133,099
|
Price on request
133,099
|
- | 77% | Current Limiting, Over Temperature, Over Voltage | 50kHz | Yes | Through Hole | -40°C ~ 85°C (TA) | - | - | TO-220F-4L (Forming) | Flyback, Forward | 9V ~ 30V | |
|
Texas Instruments
|
126,507
|
Price on request
126,507
|
Frequency Control | 99% | Current Limiting | Up to 1MHz | No | Surface Mount | -40°C ~ 85°C (TA) | - | - | 8-SOIC | Boost, Flyback, Forward | 8.3V ~ 12V | |
|
STMicroelectronics
|
122,121
|
Price on request
122,121
|
- | 70% | Current Limiting, Over Temperature | 60kHz | Yes | Surface Mount | -40°C ~ 150°C (TJ) | Either | 10 W | 16-SO | Buck, Buck-Boost, Flyback | 11.5V ~ 23.5V | |
On Semiconductor
|
120,533
|
Price on request
120,533
|
Frequency Control | 97% | - | Up to 500kHz | No | Surface Mount | 0°C ~ 70°C (TA) | - | - | 14-SOIC | - | 12V ~ 25V | |
|
On Semiconductor
|
120,533
|
Price on request
120,533
|
- | - | - | 62kHz ~ 68kHz | - | Surface Mount | - | Isolated | 247 mW | SOT-23-6 | - | 8V ~ 30V | |
|
STMicroelectronics
|
120,000
|
Price on request
120,000
|
- | 80% | Current Limiting, Over Temperature, Over Voltage, Short Circuit | 60kHz | Yes | Surface Mount | -40°C ~ 150°C (TJ) | Either | 7 W | 10-SSOP | Buck, Buck-Boost, Flyback | 4.5V ~ 30V | |
|
On Semiconductor
|
119,980
|
Price on request
119,980
|
- | - | Current Limiting, Over Power, Over Voltage, Short Circuit | 110kHz | No | Surface Mount | -40°C ~ 125°C (TJ) | Isolated | 20 W | 6-TSOP | Flyback | 6.5V ~ 28V | |
On Semiconductor
|
116,466
|
Price on request
116,466
|
Sync | - | Current Limiting, Over Load, Over Temperature, Over Voltage | 55kHz ~ 67kHz | Yes | Surface Mount | -40°C ~ 85°C (TA) | Isolated | 25 W | 8-LSOP | Flyback | 8V ~ 20V | |
|
On Semiconductor
|
115,113
|
Price on request
115,113
|
- | 80% | Over Load, Over Temperature, Over Voltage | 100kHz | No | Surface Mount | -40°C ~ 150°C (TJ) | Isolated | - | 7-SOIC | Flyback | 9.9V ~ 20V | |
|
Texas Instruments
|
113,000
|
Price on request
113,000
|
Frequency Control | 50% | - | 1MHz | No | Surface Mount | -55°C ~ 150°C (TJ) | Isolated | - | 8-SOIC | Push-Pull | 8.3V ~ 14V | |
|
On Semiconductor
|
110,150
|
Price on request
110,150
|
- | 68% | Current Limiting, Over Power, Over Temperature, Over Voltage, Short Circuit | 100kHz | Yes | Through Hole | -40°C ~ 125°C (TJ) | Isolated | 19 W | 8-PDIP | Flyback | 6.5V ~ 20V | |
On Semiconductor
|
108,348
|
Price on request
108,348
|
- | - | Current Limiting, Open Loop, Over Load, Over Temperature, Over Voltage | 50kHz | Yes | Surface Mount | -40°C ~ 125°C (TJ) | Non-Isolated | 20 W | 7-LSOP | Buck, Flyback | 7V ~ 26V | |
|
On Semiconductor
|
103,500
|
Price on request
103,500
|
Soft Start | - | Current Limiting, Over Temperature, Over Voltage, Short Circuit | - | No | Surface Mount | -40°C ~ 125°C (TJ) | Isolated | - | 8-SOIC | Flyback, Secondary Side SR | 6.5V ~ 28V | |
On Semiconductor
|
98,000
|
Price on request
98,000
|
EN, Frequency Control | 50% | Current Limiting, Over Load, Over Temperature, Over Voltage | Up to 300kHz | Yes | Through Hole | -40°C ~ 130°C (TJ) | Isolated | 350 W | 9-SIP | Half-Bridge | 11.3V ~ 25V | |
Monolithic Power Systems
|
93,822
|
Price on request
93,822
|
- | - | Current Limiting, Open Circuit, Over Load, Over Temperature, Over Voltage | 120Hz ~ 75kHz | Yes | Surface Mount | -40°C ~ 125°C (TJ) | Isolated | 8 W | 8-SOIC-7A | Flyback | 6.6V ~ 28V | |
|
Texas Instruments
|
92,279
|
Price on request
92,279
|
- | - | Current Limiting, Over Voltage | 1kHz ~ 130kHz | No | Surface Mount | -20°C ~ 125°C (TJ) | Isolated | - | SOT-23-6 | Flyback | 9V ~ 35V | |
Texas Instruments
|
90,400
|
Price on request
90,400
|
Frequency Control, Soft Start | 50% | Current Limiting | 1MHz | No | Surface Mount | -55°C ~ 150°C (TJ) | Non-Isolated | - | 16-SOIC | Boost, Buck, Flyback, Forward | 10V ~ 22V | |
|
Texas Instruments
|
90,400
|
Price on request
90,400
|
- | 55% | Current Limiting, Over Load, Over Temperature, Short Circuit | 62kHz | Yes | Surface Mount | -40°C ~ 105°C (TA) | Non-Isolated | - | 7-SOIC | Buck, Buck-Boost, Flyback | 3.6V ~ 5V | |
NXP Semiconductors
|
90,000
|
Price on request
90,000
|
- | 80% | Current Limiting, Over Power, Over Temperature, Over Voltage | 26.5kHz ~ 78kHz | No | Surface Mount | -40°C ~ 150°C (TJ) | Isolated | 75 W | 8-SO | Flyback | 12V ~ 30V | |
|
On Semiconductor
|
85,000
|
Price on request
85,000
|
EN, Soft Start | 80% | Current Limiting, Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | 65kHz | No | Surface Mount | 150°C (TJ) | Isolated | - | 7-SOIC | Flyback | 8.8V ~ 35V | |
|
Texas Instruments
|
84,059
|
Price on request
84,059
|
- | - | Current Limiting, Over Temperature, Over Voltage, Short Circuit | 85kHz | No | Surface Mount | -40°C ~ 125°C (TJ) | Isolated | - | SOT-23-6 | Flyback | 8.5V ~ 35V | |
On Semiconductor
|
78,888
|
Price on request
78,888
|
EN, Frequency Control, Soft Start, Sync | - | Current Limiting, Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | - | No | Surface Mount | -40°C ~ 125°C (TJ) | Isolated | - | 9-SOIC | Flyback | 9V ~ 28V | |
Analog Devices / Maxim Integrated
|
78,609
|
Price on request
78,609
|
EN, Frequency Control, Soft Start, Sync | 80% | Current Limiting, Over Temperature, Short Circuit | 100kHz ~ 600kHz | No | Surface Mount | -40°C ~ 85°C (TA) | Isolated | - | 16-TQFN (3x3) | Forward | 7V ~ 26V | |
|
On Semiconductor
|
78,260
|
Price on request
78,260
|
- | 80% | Over Power, Over Voltage, Short Circuit | 65kHz | No | Surface Mount | -40°C ~ 125°C (TJ) | Isolated | - | 6-TSOP | Flyback | 8.8V ~ 28V | |
On Semiconductor
|
78,000
|
Price on request
78,000
|
- | - | Current Limiting, Open Loop, Over Load, Over Temperature, Over Voltage | 50kHz | Yes | Through Hole | -40°C ~ 125°C (TJ) | Non-Isolated | 7 W | 7-DIP | Buck, Flyback | 7V ~ 26V | |
On Semiconductor
|
77,348
|
Price on request
77,348
|
- | 50% | Current Limiting, Open Loop, Over Load, Over Temperature, Over Voltage, Short Circuit | 20kHz ~ 750kHz | No | Surface Mount | -40°C ~ 125°C (TJ) | Isolated | - | 16-SOIC | Half-Bridge | 9.5V ~ 20V | |
|
On Semiconductor
|
77,140
|
Price on request
77,140
|
- | 69% | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit | 65kHz | Yes | Surface Mount | -40°C ~ 125°C (TJ) | Isolated | 25 W | SOT-223 (TO-261) | Flyback | 6.3V ~ 10V | |
|
Texas Instruments
|
76,313
|
Price on request
76,313
|
- | 55% | Current Limiting, Over Load, Over Temperature, Short Circuit | 62kHz | Yes | Surface Mount | -40°C ~ 125°C (TJ) | Non-Isolated | 4.5 W | 7-SOIC | Buck, Buck-Boost, Flyback | 5V | |
|
STMicroelectronics
|
74,500
|
Price on request
74,500
|
Soft Start | 50% | Current Limiting | 60kHz ~ 235kHz | No | Surface Mount | -40°C ~ 150°C (TJ) | Isolated | - | 16-SO | Half-Bridge | 8.85V ~ 16V |
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