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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
UC3845BVD1

Mfr Part No.

UC3845BVD1

Internal Code

1805-715-12676309		 onsemi
IC REG CTRLR BOOST/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 48% No No - Frequency Control -40°C ~ 105°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3845BVD1
UC3845BVD1

1805-715-12676309 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: -
1 : -
UC3845BVD1R2

Mfr Part No.

UC3845BVD1R2

Internal Code

1805-715-12676311		 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 -40°C ~ 105°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3845BVD1R2
UC3845BVD1R2

1805-715-12676311 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: -
1 : -
UC3845BVDG

Mfr Part No.

UC3845BVDG

Internal Code

1805-715-12676313		 onsemi
IC REG CTRLR BOOST/FLYBK 14SOIC
22017 Available
  • 1 : $0.35762
  • 10 : $0.32511
  • 100 : $0.29826
  • 500 : $0.27617
  • 1000 : $0.2581
  • 3000 : $0.24348
Unit Price: $0.35762
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 -40°C ~ 105°C (TA) Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3845BVDG
UC3845BVDG

1805-715-12676313 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: 22017
1 : $0.35762
UC3844BVDG

Mfr Part No.

UC3844BVDG

Internal Code

1805-715-12676259		 onsemi
IC REG CTRLR PWM CM 14-SOIC
8843 Available
  • 1 : $1.03197
  • 10 : $0.93815
  • 100 : $0.86069
  • 500 : $0.79694
  • 1000 : $0.7448
  • 3000 : $0.70264
Unit Price: $1.03197
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 -40°C ~ 105°C (TA) Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3844BVDG
UC3844BVDG

1805-715-12676259 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: 8843
1 : $1.03197
UC3844BNG

Mfr Part No.

UC3844BNG

Internal Code

1805-715-12676252		 onsemi
IC REG CTRLR PWM CM 8-DIP
28128 Available
  • 1 : $0.68638
  • 10 : $0.62398
  • 100 : $0.57246
  • 500 : $0.53006
  • 1000 : $0.49538
  • 3000 : $0.46734
Unit Price: $0.68638
Minimum: 1 Multiple: 1
 - Tube 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 0°C ~ 70°C (TA) Through Hole 8-DIP (0.300", 7.62mm) 8-PDIP
UC3844BNG
UC3844BNG

1805-715-12676252 onsemi
RoHS :
Package: 8-DIP (0.300", 7.62mm)
Inventory: 28128
1 : $0.68638
UC3844BDR2

Mfr Part No.

UC3844BDR2

Internal Code

1805-715-12676248		 onsemi
IC REG CTRLR PWM CM 14-SOIC
Get a Quote -
- Tape & Reel (TR) 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 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3844BDR2
UC3844BDR2

1805-715-12676248 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: -
1 : -
UC3843N

Mfr Part No.

UC3843N

Internal Code

1805-715-12676222		 onsemi
IC REG CTRLR 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 97% No No - Frequency Control 0°C ~ 70°C (TA) Through Hole 8-DIP (0.300", 7.62mm) 8-DIP
UC3843N
UC3843N

1805-715-12676222 onsemi
RoHS :
Package: 8-DIP (0.300", 7.62mm)
Inventory: -
1 : -
UC3843BVDR2G

Mfr Part No.

UC3843BVDR2G

Internal Code

1805-715-12676208		 onsemi
IC REG CTRLR FLYBACK 14SOIC
15461 Available
  • 1 : $0.294
  • 10 : $0.26727
  • 100 : $0.2452
  • 500 : $0.22704
  • 1000 : $0.21218
  • 3000 : $0.20017
Unit Price: $0.294
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 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3843BVDR2G
UC3843BVDR2G

1805-715-12676208 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: 15461
1 : $0.294
UC3842BVDR2G

Mfr Part No.

UC3842BVDR2G

Internal Code

1805-715-12676149		 onsemi
IC REG CTRLR PWM CM 14-SOIC
12758 Available
  • 1 : $0.31141
  • 10 : $0.2831
  • 100 : $0.25972
  • 500 : $0.24049
  • 1000 : $0.22475
  • 3000 : $0.21204
Unit Price: $0.31141
Minimum: 1 Multiple: 1
 - 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 -40°C ~ 105°C (TA) Surface Mount 14-SOIC (0.154", 3.90mm Width) 14-SOIC
UC3842BVDR2G
UC3842BVDR2G

1805-715-12676149 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: 12758
1 : $0.31141
UC3842BDR2G

Mfr Part No.

UC3842BDR2G

Internal Code

1805-715-12676141		 onsemi
IC REG CTRLR PWM CM 14-SOIC
22581 Available
  • 1 : $0.34265
  • 10 : $0.3115
  • 100 : $0.28578
  • 500 : $0.26461
  • 1000 : $0.2473
  • 3000 : $0.2333
Unit Price: $0.34265
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 ~ 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
UC3842BDR2G
UC3842BDR2G

1805-715-12676141 onsemi
RoHS :
Package: 14-SOIC (0.154", 3.90mm Width)
Inventory: 22581
1 : $0.34265
UC3842ANG

Mfr Part No.

UC3842ANG

Internal Code

1805-715-12676129		 onsemi
IC REG CTRLR FLYBK ISO PWM 8-DIP
10341 Available
  • 1 : $0.51182
  • 10 : $0.4653
  • 100 : $0.42687
  • 500 : $0.39525
  • 1000 : $0.3694
  • 3000 : $0.34849
Unit Price: $0.51182
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) Through Hole 8-DIP (0.300", 7.62mm) 8-PDIP
UC3842ANG
UC3842ANG

1805-715-12676129 onsemi
RoHS :
Package: 8-DIP (0.300", 7.62mm)
Inventory: 10341
1 : $0.51182
UC3842AN1

Mfr Part No.

UC3842AN1

Internal Code

1805-715-12676128		 onsemi
ANA SMPS PWM CONTROLLER
12656 Available
  • 1 : $0.36776
  • 10 : $0.33432
  • 100 : $0.30672
  • 500 : $0.284
  • 1000 : $0.26542
  • 3000 : $0.2504
Unit Price: $0.36776
Minimum: 1 Multiple: 1
 - Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) Through Hole 8-DIP (0.300", 7.62mm) 8-PDIP
UC3842AN1
UC3842AN1

1805-715-12676128 onsemi
RoHS :
Package: 8-DIP (0.300", 7.62mm)
Inventory: 12656
1 : $0.36776
UC3842AN

Mfr Part No.

UC3842AN

Internal Code

1805-715-12676126		 onsemi
IC REG CTRLR FLYBK ISO PWM 8-DIP
50449 Available
  • 1 : $0.39856
  • 10 : $0.36232
  • 100 : $0.33241
  • 500 : $0.30778
  • 1000 : $0.28764
  • 3000 : $0.27137
Unit Price: $0.39856
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) Through Hole 8-DIP (0.300", 7.62mm) 8-PDIP
UC3842AN
UC3842AN

1805-715-12676126 onsemi
RoHS :
Package: 8-DIP (0.300", 7.62mm)
Inventory: 50449
1 : $0.39856
UC3842ADX

Mfr Part No.

UC3842ADX

Internal Code

1805-715-12676123		 onsemi
IC REG CTRLR PWM 8SOIC
6739 Available
  • 1 : $0.50092
  • 10 : $0.45537
  • 100 : $0.41777
  • 500 : $0.38683
  • 1000 : $0.36152
  • 3000 : $0.34106
Unit Price: $0.50092
Minimum: 1 Multiple: 1
 - 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 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3842ADX
UC3842ADX

1805-715-12676123 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: 6739
1 : $0.50092
UC3845BD1R2G

Mfr Part No.

UC3845BD1R2G

Internal Code

1805-715-12676300		 onsemi
IC REG CTRLR BOOST/FLYBACK 8SOIC
25407 Available
  • 1 : $0.26602
  • 10 : $0.24184
  • 100 : $0.22188
  • 500 : $0.20544
  • 1000 : $0.192
  • 3000 : $0.18113
Unit Price: $0.26602
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 48% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3845BD1R2G
UC3845BD1R2G

1805-715-12676300 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: 25407
1 : $0.26602
UC3845BD1G

Mfr Part No.

UC3845BD1G

Internal Code

1805-715-12676298		 onsemi
IC REG CTRLR BOOST/FLYBACK 8SOIC
11398 Available
  • 1 : $0.488
  • 10 : $0.44364
  • 100 : $0.40701
  • 500 : $0.37686
  • 1000 : $0.3522
  • 3000 : $0.33226
Unit Price: $0.488
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 48% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
UC3845BD1G
UC3845BD1G

1805-715-12676298 onsemi
RoHS :
Package: 8-SOIC (0.154", 3.90mm Width)
Inventory: 11398
1 : $0.488
UC3844N

Mfr Part No.

UC3844N

Internal Code

1805-715-12676273		 onsemi
IC REG CTRLR PWM CM 8-DIP
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 48% No No - Frequency Control 0°C ~ 70°C (TA) Through Hole 8-DIP (0.300", 7.62mm) 8-PDIP
UC3844N
UC3844N

1805-715-12676273 onsemi
RoHS :
Package: 8-DIP (0.300", 7.62mm)
Inventory: -
1 : -
UC3844DX

Mfr Part No.

UC3844DX

Internal Code

1805-715-12676272		 onsemi
IC REG CTRLR PWM CM 14-SOIC
8735 Available
  • 1 : $0.4569
  • 10 : $0.41536
  • 100 : $0.38106
  • 500 : $0.35284
  • 1000 : $0.32975
  • 3000 : $0.31108
Unit Price: $0.4569
Minimum: 1 Multiple: 1
 - Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
UC3844DX
UC3844DX

1805-715-12676272 onsemi
RoHS :
Package: 14-SOIC (0.209", 5.30mm Width)
Inventory: 8735
1 : $0.4569
UC3844D

Mfr Part No.

UC3844D

Internal Code

1805-715-12676264		 onsemi
IC REG CTRLR PWM CM 14-SOIC
7629 Available
  • 1 : $0.80796
  • 10 : $0.73452
  • 100 : $0.67387
  • 500 : $0.62394
  • 1000 : $0.58313
  • 3000 : $0.55013
Unit Price: $0.80796
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 48% No No - Frequency Control 0°C ~ 70°C (TA) Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
UC3844D
UC3844D

1805-715-12676264 onsemi
RoHS :
Package: 14-SOIC (0.209", 5.30mm Width)
Inventory: 7629
1 : $0.80796
SUR1640CT

Mfr Part No.

SUR1640CT

Internal Code

1805-715-12086531		 onsemi
REC T0220 SPECIAL ULTFST
18877 Available
  • 1 : $0.5278
  • 10 : $0.47982
  • 100 : $0.4402
  • 500 : $0.40759
  • 1000 : $0.38092
  • 3000 : $0.35937
Unit Price: $0.5278
Minimum: 1 Multiple: 1
 * Bulk Active - - - - - - - - - - - - - - - - -
SUR1640CT
SUR1640CT

1805-715-12086531 onsemi
RoHS :
Package: -
Inventory: 18877
1 : $0.5278