Texas Instruments UC3842AN Microcontrollers
PWM Controller, 500kHz, 1A, 5V, 13.5V Out, 25V In, 8-Pin PDIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3842AN
Detailed Description
PWM Controller, 500kHz, 1A, 5V, 13.5V Out, 25V In, 8-Pin PDIP
Package
PDIP (P)-8
Lifecycle Status
Active
Datasheet
UC3842AN Datasheet
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Technical Specifications
Texas Instruments UC3842AN Microcontrollers technical specifications.
General
RoHS
Yes
Regulator Topology
Boost, Buck, Buck boost, Flyback, Forward
Control Mode
Peak current mode
Duty Cycle Max
100
Switching Frequency Max Khz
500
Uvlo Thresholds on Off V
16/10
Operating Temperature Range C
0 to 70
Gate Drive Typ a
1
Vin Max V
28
Package
PDIP (P)-8
Alternate Parts Comparison (UC3842AN 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 | |
|---|---|---|---|---|
| RoHS | Yes | Yes | Yes | Yes |
| Package | PDIP (P)-8 | HSOP | TSSOP | HSOP |
| Package / Case | -- | 8-PowerSOIC | 20-TSSOP | 8-PowerSOIC |
| Mounting Type | -- | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -- | -40°C ~ 140°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 140°C (TJ) |
| Supply Voltage | -- | 12V | 12V | 12V |
| Lifecycle Status | -- | Active | Active | Active |
| 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 |
| Max Supply Current | -- | 5.5mA | 3.4mA | 5.5mA |
| 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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