Texas Instruments UC3843ADTR Microcontrollers
Current Mode PWM Controller 5V 1A 500kHz 14-Pin SOIC T/R
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
UC3843ADTR
Detailed Description
Current Mode PWM Controller 5V 1A 500kHz 14-Pin SOIC T/R
Package
14-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
UC3843ADTR Datasheet
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Technical Specifications
Texas Instruments UC3843ADTR Microcontrollers 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
Up to 500kHz
Number of Outputs
1
Topology
Boost, Buck, Flyback, Forward
Control Features
Frequency Control
Alternate Parts Comparison (UC3843ADTR vs SN74HCS09DR vs SN74HCS4075DR vs SN74HC14DRG3)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| 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 ~ 125°C | -40°C ~ 125°C | -40°C ~ 85°C |
| Supply Voltage | 7.6V ~ 30V | 2V ~ 6V | 2V ~ 6V | 2V ~ 6V |
| Lifecycle Status | Active | Active | Active | Active |
| Current Output High Low | -- | -, 7.8mA | 7.8mA, 7.8mA | 5.2mA, 5.2mA |
| Current Quiescent Max | -- | 2 µA | 2 µA | 2 µA |
| Features | -- | Schmitt Trigger, Open Drain | Schmitt Trigger Input | Schmitt Trigger |
| Logic Level High | -- | 1.5V ~ 4.2V | 1.5V ~ 4.2V | 1.5V ~ 4.2V |
| Logic Level Low | -- | 1V ~ 3V | 1V ~ 3V | 0.3V ~ 1.2V |
| Logic Type | -- | AND Gate | OR Gate | Inverter |
| Max Propagation Delay V Max Cl | -- | 11ns @ 6V, 50pF | 12ns @ 6V, 50pF | 21ns @ 6V, 50pF |
| Action |
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