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onsemi UC3845BD Microcontrollers

Current Mode PWM Controller, 1A, 500kHz, 14-Pin SOIC N

1,730onsemiUC3845BD14-SOIC (0.154", 3.90mm Width)$0.21
UC3845BD 14-SOIC (0.154", 3.90mm Width) package illustration

Same model may have multiple batches, images only for reference.

UC3845BD
Manufacturer
Part Number (MPN)
UC3845BD
Base Model
Detailed Description
Current Mode PWM Controller, 1A, 500kHz, 14-Pin SOIC N
Package
14-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Obsolete
Datasheet
PDF UC3845BD Datasheet
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Ordering Code Family

UC3845BD groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

2 ordering variants listed on the family page.

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Technical Specifications

onsemi UC3845BD Microcontrollers technical specifications.

General

Series
UC3845B
RoHS
Yes
Package / Case
14-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
7.6V ~ 30V
Lifecycle Status
Obsolete
Output Type
Transistor Driver
Switching Frequency
Up to 500kHz
Number of Outputs
1

Alternate Parts Comparison (UC3845BD vs UC3845BD1R2G vs UC3845BDR2G vs UC3845BDG)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / Case14-SOIC8-SOIC14-SOIC14-SOIC
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature0°C ~ 70°C (TA)0°C ~ 70°C (TA)0°C ~ 70°C (TA)0°C ~ 70°C (TA)
Supply Voltage7.6V ~ 30V7.6V ~ 30V7.6V ~ 30V7.6V ~ 30V
Switching FrequencyUp to 500kHzUp to 500kHzUp to 500kHzUp to 500kHz
Lifecycle StatusObsoleteActiveActiveLast Shipments
Clock SyncNoNoNoNo
Control FeaturesFrequency ControlFrequency ControlFrequency ControlFrequency Control
Duty Cycle Max48%48%48%48%
FunctionStep-Up, Step-Up/Step-DownStep-Up, Step-Up/Step-DownStep-Up, Step-Up/Step-DownStep-Up, Step-Up/Step-Down
Number of Outputs1111
Output ConfigurationPositive, Isolation CapablePositive, Isolation CapablePositive, Isolation CapablePositive, Isolation Capable
Action

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