Texas Instruments UCC2805N DC DC Switching Regulators
IC REG CTRLR MULT TOPOLOGY 8DIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UCC2805N
Detailed Description
1MHz, 12V, 1A current mode PWM DC/DC controller with 50% duty cycle. Features 4.1V/3.6V UVLO, TOTEM POLE output, and BICMOS technology. Operates from 0V to 12V supply with 500uA nominal input current. Packaged in an 8-PDIP for through-hole mounting, with an operating temperature range of -40°C to 85°C. Supports Boost and Flyback topologies.
Package
PDIP
Lifecycle Status
Last Time Buy
RoHS State
RoHS Compliant
Datasheet
UCC2805N Datasheet
Quick Jump:
Technical Specifications
Texas Instruments UCC2805N DC DC Switching Regulators technical specifications.
General
RoHS
Yes
Package / Case
8-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
3.6V ~ 12V
Lifecycle Status
Last Time Buy
Package
PDIP
Duty Cycle
50%
Fall Time
44ns
Frequency
1MHz
Alternate Parts Comparison (UCC2805N vs UCC28C45DRG4 vs UCC38C43DGKRG4 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-SOIC | 8-TSSOP | 8-PowerSOIC |
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TJ) | 0°C ~ 70°C (TJ) | -40°C ~ 140°C (TJ) |
| Supply Voltage | 3.6V ~ 12V | 7.6V ~ 18V | 7.6V ~ 18V | 12V |
| Number of Outputs | 1 | 1 | 1 | 2 |
| Switching Frequency | 31kHz | Up to 1MHz | Up to 1MHz | -- |
| Clock Sync | No | No | No | -- |
| Control Features | Frequency Control | Frequency Control | Frequency Control | -- |
| Output Configuration | Positive | Positive | Positive | -- |
| Output Phases | 1 | 1 | 1 | -- |
| Output Type | TOTEM POLE | Transistor Driver | Transistor Driver | -- |
| Synchronous Rectifier | No | No | No | -- |
| Action |
Texas Instruments UCC2805N DC DC Switching Regulators Overview
1MHz, 12V, 1A current mode PWM DC/DC controller with 50% duty cycle. Features 4.1V/3.6V UVLO, TOTEM POLE output, and BICMOS technology. Operates from 0V to 12V supply with 500uA nominal input current. Packaged in an 8-PDIP for through-hole mounting, with an operating temperature range of -40°C to 85°C.
Supports Boost and Flyback topologies.
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