AC DC Converters, Offline Switches

Manufacturer Series Package/Case Packaging Product Status Output Isolation Internal Switch(s) Voltage - Breakdown Topology Voltage - Start Up Voltage - Supply (Vcc/Vdd) Duty Cycle Frequency - Switching Power (Watts) Fault Protection Control Features Operating Temperature Grade Qualification Supplier Device Package Mounting Type

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AC DC Converters, Offline Switches

AC-DC converters and offline switches are power management ICs used to convert AC input power into regulated DC output for electronic systems. They are commonly used in adapters, chargers, LED lighting, industrial power supplies, home appliances, smart meters, consumer electronics, and embedded power supply designs requiring compact and efficient conversion.

TomatoElec is an independent electronic components distributor supplying AC-DC converter and offline switch ICs from mainstream manufacturers such as Texas Instruments, STMicroelectronics, onsemi, Infineon, Microchip, Renesas, NXP, Diodes Incorporated, Analog Devices, and Monolithic Power Systems. Customers can check inventory, price, package, specifications, parameters and PDF datasheets in the product list below, and submit a BOM or RFQ for AC-DC converter and offline switch sourcing support.

Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Output Isolation Internal Switch(s) Voltage - Breakdown Topology Voltage - Start Up Voltage - Supply (Vcc/Vdd) Duty Cycle Frequency - Switching Power (Watts) Fault Protection Control Features Operating Temperature Grade Qualification Supplier Device Package Mounting Type
UCC2580N-4

UCC2580N-4

IC OFFLINE SWITCH MULT TOP 16DIP

Unitrode

85 -
RFQ
UCC2580N-4

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Isolated No - Flyback, Forward 15 V 8.5V ~ 15V 66% - - - Soft Start -55°C ~ 150°C (TJ) - - 16-PDIP Through Hole
FSFR1800HSL

FSFR1800HSL

IC OFFLINE SW HALF-BRIDGE 9SIP

onsemi

96 -
RFQ
FSFR1800HSL

Datasheet

FSFR-HS 10-SIP Module, 9 Leads, Formed Leads Tube Obsolete Isolated Yes 500V Half-Bridge 12.5 V 10V ~ 25V 50% Up to 600kHz 260 W Current Limiting, Over Temperature, Over Voltage Frequency Control -40°C ~ 130°C (TJ) - - 9-SIP (L forming) Through Hole
STR-X6737

STR-X6737

IC OFFLINE SWITCH FLYBACK TO3P

Sanken Electric USA Inc.

54 -
RFQ
STR-X6737

Datasheet

STR-X6700 TO-3P-7 Full Pack, Formed Leads Bulk Obsolete Isolated Yes 500V Flyback 18.2 V 9.7V ~ 35V - 19kHz ~ 25kHz 290 W Current Limiting, Over Load, Over Voltage Soft Start -20°C ~ 125°C (TA) - - TO-3P Through Hole
UC3877DWP

UC3877DWP

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

60 -
RFQ
UC3877DWP

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - -
UC2879DWG4

UC2879DWG4

IC OFFLINE SW FULL-BRDG 20SOIC

Texas Instruments

0 -
RFQ
UC2879DWG4

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Bulk Discontinued at Digi-Key Non-Isolated - - Full-Bridge - 9.25V ~ 20V 50% 300kHz - Current Limiting Frequency Control, Soft Start, Sync -40°C ~ 85°C (TA) - - 20-SOIC Surface Mount
SFA0006A

SFA0006A

PRIMARY-SIDE REGULATION PWM CONT

Sanken Electric USA Inc.

40 -
RFQ
SFA0006A

Datasheet

- 8-SOIC (0.173", 4.40mm Width) Tape & Reel (TR) Active Isolated No - Flyback 4.8 V 5.5V ~ 32V 81.5% 20kHz ~ 60kHz - Current Limiting, Over Load, Over Temperature, Over Voltage Frequency Control, Soft Start -40°C ~ 125°C (TA) - - 8-SOP Surface Mount
UC3877N

UC3877N

SWITCHING CONTROLLER

Texas Instruments

92 -
RFQ
UC3877N

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - -
UC2823BN

UC2823BN

IC OFFLINE SWITCH MULT TOP 16DIP

Texas Instruments

0 -
RFQ
UC2823BN

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Obsolete Non-Isolated No - Boost, Buck, Flyback, Forward 16 V 10V ~ 22V 100% 1MHz - Current Limiting Frequency Control, Soft Start -55°C ~ 150°C (TJ) - - 16-PDIP Through Hole
SG6931DZ

SG6931DZ

IC REG

Fairchild Semiconductor

732 -
RFQ
SG6931DZ

Datasheet

- - Bulk Obsolete - - - - - - - - - - - - - - - -
FSQ0370RLA

FSQ0370RLA

SWITCHING REGULATOR, CURRENT-MOD

Fairchild Semiconductor

811 -
RFQ
FSQ0370RLA

Datasheet

FPS™ 8-SMD, Gull Wing Bulk Active Isolated Yes 700V Flyback 12 V 8V ~ 20V 60% 100kHz 27 W Current Limiting, Over Load, Over Temperature, Over Voltage - -40°C ~ 85°C (TA) - - 8-LSOP Surface Mount
UCC2580D-4

UCC2580D-4

IC OFFLINE SW MULT TOP 16SOIC

Unitrode

90 -
RFQ
UCC2580D-4

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active Isolated No - Flyback, Forward 15 V 8.5V ~ 15V 66% - - - Soft Start -55°C ~ 150°C (TJ) - - 16-SOIC Surface Mount
UCC35701N

UCC35701N

IC OFFLINE SWITCH MULT TOP 14DIP

Unitrode

75 -
RFQ
UCC35701N

Datasheet

- 14-DIP (0.300", 7.62mm) Bulk Active Isolated No - Boost, Buck, Flyback, Forward 13 V 9V ~ 15V 99% 700kHz - Current Limiting Soft Start, Sync -55°C ~ 150°C (TJ) - - 14-PDIP Through Hole
UCC25701NG4

UCC25701NG4

IC OFFLINE SWITCH MULT TOP 14DIP

Unitrode

50 -
RFQ
UCC25701NG4

Datasheet

- 14-DIP (0.300", 7.62mm) Bulk Active Isolated No - Boost, Flyback, Forward 13 V 9V ~ 15V 99% 700kHz - Current Limiting Soft Start, Sync -55°C ~ 150°C (TJ) - - 14-PDIP Through Hole
UC2879DW

UC2879DW

UC2879 PHASE SHIFT RESONANT CONT

Unitrode

86 -
RFQ
UC2879DW

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Bulk Active Non-Isolated - - Full-Bridge - 9.25V ~ 20V 50% 300kHz - Current Limiting Frequency Control, Soft Start, Sync -40°C ~ 85°C (TA) - - 20-SOIC Surface Mount
BM2SC123FP2-LBZE2

BM2SC123FP2-LBZE2

IC OFFLINE SW FLYBACK TO263-7

Rohm Semiconductor

0 -
RFQ
BM2SC123FP2-LBZE2

Datasheet

- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tape & Reel (TR) Active Isolated Yes 1700V Flyback - 15V ~ 27.5V - 120kHz - Current Limiting, Over Load, Over Temperature, Over Voltage EN, Frequency Control, Soft Start -40°C ~ 105°C - - TO-263-7 Surface Mount
UCC287502DBVR

UCC287502DBVR

CURRENT-MODE FLYBACK CONTROLLER

Texas Instruments

0 -
RFQ
UCC287502DBVR

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Isolated No - Flyback, Secondary Side SR 15.3 V 10V ~ 26V 80% 65kHz - Current Limiting, Over Power, Over Temperature, Over Voltage, Short Circuit, UVLO Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - SOT-23-6 Surface Mount
TNY277PN

TNY277PN

IC OFFLINE SWITCH FLYBACK 8DIP

Power Integrations

0 -
RFQ
TNY277PN

Datasheet

TinySwitch®-III 8-DIP (0.300", 7.62mm), 7 Leads Tube Active Isolated Yes 700V Flyback - - 65% 132kHz 23.5 W Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit EN -40°C ~ 150°C (TJ) - - 8-PDIP-C Through Hole
TEA18362T/1J

TEA18362T/1J

IC OFFLINE SWITCH FLYBACK 8SO

NXP USA Inc.

0 -
RFQ
TEA18362T/1J

Datasheet

GreenChip™ 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Isolated No - Flyback 14.9 V 9.9V ~ 30V - 25kHz ~ 132.5kHz 75 W Over Power, Over Temperature, Over Voltage - -40°C ~ 150°C (TJ) - - 8-SO Surface Mount
UCC28881D

UCC28881D

IC OFFLINE SWITCH MULT TOP 7SOIC

Texas Instruments

0 -
RFQ
UCC28881D

Datasheet

- 8-SOIC (0.154", 3.90mm Width), 7 Leads Tube Active Non-Isolated Yes 700V Buck, Buck-Boost, Flyback 3.9 V 5V 55% 62kHz 4.5 W Current Limiting, Over Load, Over Temperature, Short Circuit - -40°C ~ 125°C (TJ) - - 7-SOIC Surface Mount
TEA1752T/N1,518

TEA1752T/N1,518

IC OFFLINE SWITCH FLYBACK 16SO

NXP USA Inc.

0 -
RFQ
TEA1752T/N1,518

Datasheet

GreenChip™ III 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Isolated No 650V Flyback 22 V 15V ~ 38V - 250kHz 250 W Current Limiting, Over Power, Over Temperature, Over Voltage - -40°C ~ 150°C (TJ) - - 16-SO Surface Mount
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