onsemi UC3844BVNG DC DC Switching Controllers
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-PDIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3844BVNG
Detailed Description
IC REG CTRLR PWM CM 8-DIP
Package
8-DIP (0.300", 7.62mm)
Key Features
Package / Case: 8-DIP (0.300", 7.62mm); Mounting Type: Through Hole
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
UC3844BVNG Datasheet
Quick Jump:
Technical Specifications
onsemi UC3844BVNG DC DC Switching Controllers technical specifications.
General
Package / Case
8-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 105°C (TA)
Supply Voltage
10V ~ 36V
Lifecycle Status
Obsolete
Output Type
Transistor Driver
Switching Frequency
Up to 500kHz
Number of Outputs
1
Topology
Boost, Flyback
Control Features
Frequency Control
Alternate Parts Comparison (UC3844BVNG vs UC2845NG vs UC3843BVN vs UC2843ANG)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-DIP | 8-DIP | 8-DIP | 8-DIP |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | -40°C ~ 105°C (TA) | -25°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -25°C ~ 85°C (TA) |
| Supply Voltage | 10V ~ 36V | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V |
| Switching Frequency | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Clock Sync | No | No | No | No |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control |
| Duty Cycle Max | 48% | 48% | 96% | 96% |
| 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 .
Suggested replacements
UC3844BVD1R2GonsemiSimilaronsemi
Pin YesPkg NoElec Mixed
Current Mode PWM Controller, SOIC-8, 250kHz, 30V
More Parts in DC DC Switching Controllers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.