onsemi UC3845BNG Microcontrollers
PWM Controller IC, 1A, 500kHz, 48% Duty Cycle, PDIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3845BNG
Detailed Description
PWM Controller IC, 1A, 500kHz, 48% Duty Cycle, PDIP
Package
8-DIP (0.300", 7.62mm)
Lifecycle Status
Active
Datasheet
UC3845BNG Datasheet
Quick Jump:
Technical Specifications
onsemi UC3845BNG Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
8-DIP
Mounting Type
Through Hole
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
7.6V ~ 30V
Lifecycle Status
Active
Output Type
Transistor Driver
Switching Frequency
Up to 500kHz
Number of Outputs
1
Topology
Boost, Flyback
Alternate Parts Comparison (UC3845BNG vs UC3845BVDR2G vs UC2844BNG vs UC3842BNG)
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 | 14-SOIC | 8-DIP | 8-DIP |
| Mounting Type | Through Hole | Surface Mount | Through Hole | Through Hole |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 105°C (TA) | -25°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 7.6V ~ 30V | 7.6V ~ 30V | 10V ~ 36V | 10V ~ 30V |
| Switching Frequency | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz |
| Lifecycle Status | Active | Active | Active | Active |
| Clock Sync | No | No | No | No |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control |
| Duty Cycle Max | 48% | 48% | 48% | 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 .
This part is listed as a cross for
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Pin YesPkg YesElec Yes
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Pin YesPkg YesElec Yes
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TL3845BPTexas InstrumentsDirectonsemi
Pin YesPkg YesElec Yes
30-V, 0.2A high Performance 500KHz current mode PWM with 8.4V/7.6V UVLO, 50% duty cycle, 0C to 70C
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