UC3825DW
Texas Instruments
Surface MountStep-Up, Step-Down, Step-Up/Step-DownTube
Ref. price$5.95
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Texas Instruments UC38 Discrete Semiconductors Series
4 variants · Texas Instruments
About the Texas Instruments UC38 Discrete Semiconductors Series
The Texas Instruments UC38 Discrete Semiconductors Series series groups 4 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common I/O channels of 2, operating temperature of 0°C ~ 70°C (TA) and output configuration of Positive. Variants differ by case, clock sync and control features, so you can match the exact case your application requires using the selection guide below. All listed Texas Instruments UC38 Discrete Semiconductors Series part numbers are active and orderable.
Select a variant by
- Case
- 16-DIP (0.300\", 7.62mm) · 16-SOIC (0.295\", 7.50mm Width)
- Clock sync
- No · Yes
- Control features
- Current Limit, Enable, Frequency Control, Ramp, Soft Start · Current Limit, Enable, Frequency Control, Soft Start · Enable, Frequency Control, Soft Start · Soft Start
- Duty cycle
- 47% · 50% · 85% · 100%
- Frequency
- 50kHz ~ 500kHz · 200kHz · 340kHz ~ 460kHz · 500kHz
- Function
- Step-Up, Step-Down, Step-Up/Step-Down · Step-Up, Step-Up/Step-Down · Step-Up/Step-Down
- Mounting
- Surface Mount · Through Hole
- Synchronous rectifier
- No · Yes
Shared specifications
- I/O channels
- 2
- Operating temperature
- 0°C ~ 70°C (TA)
- Output configuration
- Positive
- Output phases
- 1
- Output type
- Transistor Driver
- Package
- Tube
Variant comparison
| Parameter | UC3825DW | UC3846DW | UC3856N | UC3867DW |
|---|---|---|---|---|
| Case | 16-SOIC (0.295\", 7.50mm Width) | 16-SOIC (0.295\", 7.50mm Width) | 16-DIP (0.300\", 7.62mm) | 16-SOIC (0.295\", 7.50mm Width) |
| Clock sync | No | Yes | Yes | No |
| Control features | Current Limit, Enable, Frequency Control, Ramp, Soft Start | Current Limit, Enable, Frequency Control, Soft Start | Enable, Frequency Control, Soft Start | Soft Start |
| Duty cycle | 85% | 50% | 47% | 100% |
| Frequency | 340kHz ~ 460kHz | 500kHz | 200kHz | 50kHz ~ 500kHz |
| Function | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up/Step-Down |
| Mounting | Surface Mount | Surface Mount | Through Hole | Surface Mount |
| Synchronous rectifier | No | Yes | Yes | No |
Request a quote on any Texas Instruments UC38 Discrete Semiconductors Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.
