Microchip Technology UC3845ADM-TR DC DC Switching Controllers
IC REG CTRLR BUCK/BOOST 8SOIC

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3845ADM-TR
Detailed Description
IC REG CTRLR BUCK/BOOST 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 8-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
UC3845ADM-TR Datasheet
Quick Jump:
Technical Specifications
Microchip Technology UC3845ADM-TR DC DC Switching Controllers technical specifications.
General
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
7.6V ~ 30V
Output Type
Transistor Driver
Switching Frequency
Up to 500kHz
Number of Outputs
1
Topology
Boost, Buck, Flyback, Forward
Control Features
Frequency Control
Output Configuration
Positive, Isolation Capable
Alternate Parts Comparison (UC3845ADM-TR vs UC2842ADM vs AAC243E-S8A-G-LF-TR vs NX2124ACSTR)
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-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 7.6V ~ 30V | 10V ~ 30V | 7.6V ~ 30V | 2V ~ 25V |
| Clock Sync | No | No | No | No |
| Duty Cycle Max | 48% | 96% | 97% | 84% |
| Function | Step-Up, Step-Down | Step-Up, Step-Down | Step-Up/Step-Down | Step-Down |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable | Positive | Positive |
| Output Phases | 1 | 1 | 1 | 1 |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Synchronous Rectifier | No | No | No | Yes |
| Action |
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