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ToolsUC3843AN alternative parts: UC3844AD8
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| Description: | UNITRODE UC3843AN.. ADVANCED PWM CONTROLLER, 3843, DIP8 | TEXAS INSTRUMENTS UC3844AD8Current Mode PWM, 25V-12V supply, 500 kHz, 5V/200mA out, SOIC-8 |
Lifecycle Status: | ACTIVE (Last Updated: 1 day ago) | ACTIVE (Last Updated: 1 day ago) |
Factory Lead Time: | 6 Weeks | 6 Weeks |
Mounting Type: | Through Hole | Surface Mount |
Package / Case: | 8-DIP (0.300, 7.62mm) | 8-SOIC (0.154, 3.90mm Width) |
Surface Mount: | NO | YES |
Number of Pins: | 8 | 8 |
Weight: | 528.605208mg | 72.603129mg |
Operating Temperature: | 0°C~70°C TA | 0°C~70°C TA |
Packaging: | Tube | Tube |
JESD-609 Code: | e4 | e4 |
Pbfree Code: | yes | yes |
Part Status: | Active | Active |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) | 1 (Unlimited) |
Number of Terminations: | 8 | 8 |
Termination: | Through Hole | - |
ECCN Code: | EAR99 | EAR99 |
Terminal Finish: | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
Max Power Dissipation: | 1W | - |
Terminal Position: | DUAL | DUAL |
Supply Voltage: | 11V | 11V |
Terminal Pitch: | 2.54mm | - |
Frequency: | 450kHz | 450kHz |
Base Part Number: | UC3843 | UC3844 |
Function: | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down |
Number of Outputs: | 1 | 1 |
Output Voltage: | 15V | 5V |
Output Type: | Transistor Driver | Transistor Driver |
Max Output Current: | 4A | - |
Input Voltage-Nom: | 15V | 15V |
Analog IC - Other Type: | SWITCHING CONTROLLER | SWITCHING CONTROLLER |
Output Configuration: | Positive | Positive |
Power Dissipation: | 1W | 1W |
Output Current: | 1A | 1A |
Voltage - Supply (Vcc/Vdd): | 7.6V~30V | 10V~30V |
Quiescent Current: | 11mA | 11mA |
Control Features: | Frequency Control | Frequency Control |
Topology: | Boost, Buck, Buck-Boost, Flyback, Forward | Boost, Buck, Buck-Boost, Flyback, Forward |
Control Mode: | CURRENT-MODE | CURRENT-MODE |
Frequency - Switching: | Up to 500kHz | Up to 500kHz |
Max Input Voltage: | 25V | - |
Control Technique: | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
Rise Time: | 50ns | 50ns |
Supply Current-Max (Isup): | 25mA | 25mA |
Synchronous Rectifier: | No | No |
Fall Time (Typ): | 50 ns | 50 ns |
Nominal Input Voltage: | 15V | 15V |
Max Duty Cycle: | 100 % | 50 % |
Input Current: | 11mA | 11mA |
Duty Cycle (Max): | 96% | 48% |
Height: | 5.08mm | 1.75mm |
Length: | 9.81mm | 4.9mm |
Width: | 6.35mm | 3.91mm |
Thickness: | 3.9mm | 1.58mm |
REACH SVHC: | No SVHC | No SVHC |
RoHS Status: | ROHS3 Compliant | ROHS3 Compliant |
Lead Free: | Lead Free | Lead Free |
Terminal Form: | - | GULL WING |
Peak Reflow Temperature (Cel): | - | 260 |
UC3843AN
(In Stock: 15)
Texas InstrumentsQty
Unit Price
Ext Price
1
$1.153178
$1.15
10
$1.087904
$10.88
100
$1.026324
$102.63
500
$0.968230
$484.12
1000
$0.913425
$913.42
Minimum: 1 Multiples: 1
Unit Price: $1.153178
Ext Price: $1.15
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