Texas Instruments TL3845BD DC DC Switching Controllers
IC REG CTRLR MULT TOP 14SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
TL3845BD
Detailed Description
IC REG CTRLR MULT TOP 14SOIC
Package
14-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 14-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
TL3845BD Datasheet
Quick Jump:
Technical Specifications
Texas Instruments TL3845BD DC DC Switching Controllers technical specifications.
General
Package / Case
14-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
7.6V ~ 30V
Lifecycle Status
Active
Output Type
Transistor Driver
Switching Frequency
100kHz
Number of Outputs
1
Topology
Boost, Flyback, Forward Converter
Control Features
Frequency Control
Related Parts Comparison (TL3845BD vs TL2843DRE4 vs TL2842DR vs UCC3583DTR)
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 | 14-SOIC | 14-SOIC | 14-SOIC | 14-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 ~ 85°C (TA) | 0°C ~ 70°C |
| Supply Voltage | 7.6V ~ 30V | 7.6V ~ 30V | 10V ~ 30V | 8.9V ~ 14V |
| Lifecycle Status | Active | Active | Active | Active |
| Switching Frequency | 100kHz | Up to 500kHz | Up to 500kHz | -- |
| Clock Sync | No | No | No | -- |
| Control Features | Frequency Control | Frequency Control | Frequency Control | -- |
| Duty Cycle Max | 48% | 97% | 97% | -- |
| Function | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | -- |
| Number of Outputs | 1 | 1 | 1 | -- |
| Output Configuration | Positive | Positive | Positive | -- |
| 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
UC3845BDR2GonsemiDirectonsemi
Pin YesPkg YesElec Yes
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 14-SOIC
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