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Compare Image Part No Manufacturer Description Inventory Pricing Quantity SeriesPackagingPart StatusOutput TypeFunctionOutput ConfigurationTopologyNumber of OutputsOutput PhasesVoltage - Supply (Vcc/Vdd)Frequency - SwitchingDuty Cycle (Max)Synchronous RectifierClock SyncSerial InterfacesControl FeaturesOperating TemperatureMounting TypePackage / CaseSupplier Device Package
UC3843BNG

Mfr Part No.

UC3843BNG

Internal Code

1805-715-12676200		 onsemi
IC REG CTRLR FLYBACK 8DIP
23947 Available
  • 1 : $0.6955
  • 10 : $0.63227
  • 100 : $0.58006
  • 500 : $0.5371
  • 1000 : $0.50196
  • 3000 : $0.47354
Unit Price: $0.6955
Minimum: 1 Multiple: 1
 - Tube Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) Through Hole 8-DIP (0.300", 7.62mm) 8-PDIP
UC3843BNG
UC3843BNG

1805-715-12676200 onsemi
RoHS :
Package: 8-DIP (0.300", 7.62mm)
Inventory: 23947
1 : $0.6955
UC3843BVD

Mfr Part No.

UC3843BVD

Internal Code

1805-715-12676201		 onsemi
IC REG CTRLR FLYBACK 14SOIC
7830 Available
  • 1 : $0.42642
  • 10 : $0.38765
  • 100 : $0.35564
  • 500 : $0.3293
  • 1000 : $0.30776
  • 3000 : $0.29033
Unit Price: $0.42642
Minimum: 1 Multiple: 1
 - Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 105°C (TA) Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3843BVD
UC3843BVD

1805-715-12676201 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: 7830
1 : $0.42642
UC3843BVD1

Mfr Part No.

UC3843BVD1

Internal Code

1805-715-12676202		 onsemi
IC REG CTRLR FLYBACK 8SOIC
Get a Quote -
- Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 105°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3843BVD1
UC3843BVD1

1805-715-12676202 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: -
1 : -
UC3843BVD1R2

Mfr Part No.

UC3843BVD1R2

Internal Code

1805-715-12676204		 onsemi
IC REG CTRLR FLYBACK 8SOIC
58069 Available
 -
- Tape & Reel (TR) Cut Tape (CT) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 105°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3843BVD1R2
UC3843BVD1R2

1805-715-12676204 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: 58069
1 : -
UC3843BVD1R2G

Mfr Part No.

UC3843BVD1R2G

Internal Code

1805-715-12676205		 onsemi
IC REG CTRLR FLYBACK 8SOIC
29840 Available
  • 1 : $0.24795
  • 10 : $0.22541
  • 100 : $0.2068
  • 500 : $0.19149
  • 1000 : $0.17894
  • 3000 : $0.1871
Unit Price: $0.24795
Minimum: 1 Multiple: 1
 - Tape & Reel (TR) Cut Tape (CT) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 105°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3843BVD1R2G
UC3843BVD1R2G

1805-715-12676205 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: 29840
1 : $0.24795
UC3844BVDR2G

Mfr Part No.

UC3844BVDR2G

Internal Code

1805-715-12676261		 onsemi
IC REG CTRLR PWM CM 14-SOIC
13549 Available
  • 1 : $0.33871
  • 10 : $0.30791
  • 100 : $0.28248
  • 500 : $0.26157
  • 1000 : $0.24445
  • 3000 : $0.23062
Unit Price: $0.33871
Minimum: 1 Multiple: 1
 - Tape & Reel (TR) Cut Tape (CT) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 36V Up to 500kHz 48% No No - Frequency Control -40°C ~ 105°C (TA) Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3844BVDR2G
UC3844BVDR2G

1805-715-12676261 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: 13549
1 : $0.33871
UC3845BVDR2

Mfr Part No.

UC3845BVDR2

Internal Code

1805-715-12676314		 onsemi
IC REG CTRLR BOOST/FLYBK 14SOIC
Get a Quote -
- Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control -40°C ~ 105°C (TA) Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3845BVDR2
UC3845BVDR2

1805-715-12676314 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: -
1 : -
UC3844BDG

Mfr Part No.

UC3844BDG

Internal Code

1805-715-12676247		 onsemi
IC REG CTRLR PWM CM 14-SOIC
29187 Available
  • 1 : $0.30829
  • 10 : $0.28026
  • 100 : $0.25712
  • 500 : $0.23808
  • 1000 : $0.2225
  • 3000 : $0.2099
Unit Price: $0.30829
Minimum: 1 Multiple: 1
 - Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 36V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3844BDG
UC3844BDG

1805-715-12676247 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: 29187
1 : $0.30829
UC3845NG

Mfr Part No.

UC3845NG

Internal Code

1805-715-12676333		 onsemi
IC REG CTRLR BOOST/FLYBACK 8DIP
Get a Quote -
- Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) Through Hole 8-DIP (0.300", 7.62mm) 8-PDIP
UC3845NG
UC3845NG

1805-715-12676333 onsemi
RoHS :
Package: 8-DIP (0.300", 7.62mm)
Inventory: -
1 : -
UC3843DX

Mfr Part No.

UC3843DX

Internal Code

1805-715-12676221		 onsemi
IC REG CTRLR 14SOIC
17301 Available
 -
- Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 97% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
UC3843DX
UC3843DX

1805-715-12676221 onsemi
RoHS :
Package: 14-SOIC (0.209", 5.30mm Width)
Inventory: 17301
1 : -
UC3843BD1

Mfr Part No.

UC3843BD1

Internal Code

1805-715-12676189		 onsemi
IC REG CTRLR FLYBACK 8SOIC
34601 Available
  • 1 : $0.66424
  • 10 : $0.60386
  • 100 : $0.554
  • 500 : $0.51296
  • 1000 : $0.4794
  • 3000 : $0.45226
Unit Price: $0.66424
Minimum: 1 Multiple: 1
 - Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3843BD1
UC3843BD1

1805-715-12676189 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: 34601
1 : $0.66424
UC3843ADR2

Mfr Part No.

UC3843ADR2

Internal Code

1805-715-12676176		 onsemi
IC REG CTRLR BUCK 14SOIC
Get a Quote -
- Tape & Reel (TR) Cut Tape (CT) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3843ADR2
UC3843ADR2

1805-715-12676176 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: -
1 : -
UC3843AD2

Mfr Part No.

UC3843AD2

Internal Code

1805-715-12676169		 onsemi
CURRENT MODE PWM CONTROLLER 1A
7887 Available
  • 1 : $1.35355
  • 10 : $1.2305
  • 100 : $1.1289
  • 500 : $1.04527
  • 1000 : $0.97689
  • 3000 : $0.9216
Unit Price: $1.35355
Minimum: 1 Multiple: 1
 - Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 150°C (TJ) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3843AD2
UC3843AD2

1805-715-12676169 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: 7887
1 : $1.35355
UC3842D

Mfr Part No.

UC3842D

Internal Code

1805-715-12676151		 onsemi
IC REG CTRLR PWM CM 14-SOIC
Get a Quote -
- Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 97% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
UC3842D
UC3842D

1805-715-12676151 onsemi
RoHS :
Package: 14-SOIC (0.209", 5.30mm Width)
Inventory: -
1 : -
UC3842BDG

Mfr Part No.

UC3842BDG

Internal Code

1805-715-12676139		 onsemi
IC REG CTRLR PWM CM 14-SOIC
7875 Available
  • 1 : $0.49521
  • 10 : $0.45019
  • 100 : $0.41302
  • 500 : $0.38243
  • 1000 : $0.35741
  • 3000 : $0.33718
Unit Price: $0.49521
Minimum: 1 Multiple: 1
 - Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3842BDG
UC3842BDG

1805-715-12676139 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: 7875
1 : $0.49521
UC3842ADR2G

Mfr Part No.

UC3842ADR2G

Internal Code

1805-715-12676119		 onsemi
IC REG CTRLR FLYBK ISO CM 14SOIC
Get a Quote -
- Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3842ADR2G
UC3842ADR2G

1805-715-12676119 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: -
1 : -
UC3842ADR2

Mfr Part No.

UC3842ADR2

Internal Code

1805-715-12676118		 onsemi
IC REG CTRLR FLYBK ISO CM 14SOIC
Get a Quote -
- Tape & Reel (TR) Cut Tape (CT) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3842ADR2
UC3842ADR2

1805-715-12676118 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: -
1 : -
UC3845BD1R2

Mfr Part No.

UC3845BD1R2

Internal Code

1805-715-12676299		 onsemi
IC REG CTRLR BOOST/FLYBACK 8SOIC
Get a Quote -
- Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3845BD1R2
UC3845BD1R2

1805-715-12676299 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: -
1 : -
UC3845BD1

Mfr Part No.

UC3845BD1

Internal Code

1805-715-12676295		 onsemi
IC REG CTRLR BOOST/FLYBACK 8SOIC
13588 Available
  • 1 : $0.68295
  • 10 : $0.62086
  • 100 : $0.5696
  • 500 : $0.5274
  • 1000 : $0.4929
  • 3000 : $0.46501
Unit Price: $0.68295
Minimum: 1 Multiple: 1
 - Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3845BD1
UC3845BD1

1805-715-12676295 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: 13588
1 : $0.68295
UC3845BD

Mfr Part No.

UC3845BD

Internal Code

1805-715-12676294		 onsemi
IC REG CTRLR BOOST/FLYBK 14SOIC
Get a Quote -
- Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3845BD
UC3845BD

1805-715-12676294 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: -
1 : -