onsemi UC3844BD1R2G Microcontrollers
Current Mode PWM Controller, SOIC-8, 275kHz, 30V
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3844BD1R2G
Base Model
Detailed Description
Current Mode PWM Controller, SOIC-8, 275kHz, 30V
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
UC3844BD1R2G Datasheet
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Technical Specifications
onsemi UC3844BD1R2G Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
10V ~ 36V
Lifecycle Status
Active
Output Type
Transistor Driver
Switching Frequency
Up to 500kHz
Number of Outputs
1
Topology
Boost, Flyback
Related Parts Comparison (UC3844BD1R2G vs UC3844BD1013TR vs UC3844BD1013TR vs UC3844BD1R2)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TJ) | 0°C ~ 70°C (TJ) | 0°C ~ 70°C (TA) |
| Supply Voltage | 10V ~ 36V | 10V ~ 30V | 10V ~ 30V | 10V ~ 36V |
| Switching Frequency | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz |
| Lifecycle Status | Active | Active | Active | Obsolete |
| Clock Sync | No | No | No | No |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control |
| Duty Cycle Max | 48% | 48% | 48% | 48% |
| Function | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
This part is listed as a cross for
TL3844BDR-8Texas InstrumentsDirectonsemi
Pin YesPkg YesElec Yes
30V, 0.2A high Performance 500KHz current mode PWM with 16V/10V UVLO, 50% duty cycle, 0C to 70C 8-SOIC 0 to 70
TL3844BD-8Texas InstrumentsDirectonsemi
Pin YesPkg YesElec Yes
IC REG CTRLR BST FLYBK PWM 8SOIC
UC3844D8Texas InstrumentsSimilaronsemi
Pin YesPkg YesElec Mixed
Single ended 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 0C to 70C 8-SOIC 0 to 70
UC3844AD8TRTexas InstrumentsSimilaronsemi
Pin YesPkg YesElec Mixed
IC REG CTRLR PWM CM 8SOIC
UC3844D8TRTexas InstrumentsSimilaronsemi
Pin YesPkg YesElec Mixed
IC REG CTRLR PWM CM 8SOIC
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