Texas Instruments UC3845AN Microcontrollers
PWM Controller, 5.1V, 1A, 500kHz, 8-Pin PDIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3845AN
Detailed Description
PWM Controller, 5.1V, 1A, 500kHz, 8-Pin PDIP
Package
8-DIP (0.300", 7.62mm)
Lifecycle Status
Active
Datasheet
UC3845AN Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UC3845AN 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, Buck, Flyback, Forward
Alternate Parts Comparison (UC3845AN vs UCC27201DDAR vs UCC28250PW vs UCC27201ADDAR)
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-PowerSOIC | 20-TSSOP | 8-PowerSOIC |
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 140°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 140°C (TJ) |
| Supply Voltage | 7.6V ~ 30V | 12V | 12V | 12V |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Number of Outputs | 1 | 2 | 1 | 2 |
| Package | PDIP (P)-8 | HSOP | TSSOP | HSOP |
| Fall Time | -- | 7ns | 8ns | 7ns |
| Height | -- | 1.7mm | 1.05mm | 1.7mm |
| Lead Free | -- | Lead Free | Lead Free | Lead Free |
| Length | -- | 4.89mm | 6.6mm | 4.89mm |
| 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 .
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
UC2843ANG4Texas Instruments30-V, 1-A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 40°C to 85°C 8-PDIP -40 to 85
UC2845ANG4Texas Instruments30V, 1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 40°C to 85°C 8-PDIP -40 to 85
