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onsemi UC2843BD1R2G Microcontrollers

Current Mode PWM Controller, SOIC-8, 250kHz, 30V, 1A

35,294 Activeonsemi8-SOIC (0.154", 3.90mm Width)$0.55
UC2843BD1R2G 8-SOIC (0.154", 3.90mm Width) package illustration

Same model may have multiple batches, images only for reference.

UC2843BD1R2G
Manufacturer
Part Number (MPN)
UC2843BD1R2G
Detailed Description
Current Mode PWM Controller, SOIC-8, 250kHz, 30V, 1A
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
PDF UC2843BD1R2G Datasheet
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Technical Specifications

onsemi UC2843BD1R2G Microcontrollers technical specifications.

General

RoHS
Yes
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-25°C ~ 85°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, Flyback

Alternate Parts Comparison (UC2843BD1R2G vs LM2904EDR2G vs MC33071DR2G vs MC33077DR2G)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / Case8-SOIC8-SOIC8-SOIC8-SOIC
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-25°C ~ 85°C (TA)-40°C ~ 105°C-40°C ~ 85°C-40°C ~ 85°C
Lifecycle StatusActiveActiveActiveActive
RoHSYesYes--Yes
PackageSOIC-8SOIC-8--SOIC-8
Amplifier Type--General PurposeGeneral PurposeGeneral Purpose
Current Input Bias--45 nA100 nA280 nA
Current Output Channel--40 mA30 mA33 mA
Current Supply--1.5mA (x2 Channels)1.9mA3.5mA
Gain Bandwidth Product--1 MHz4.5 MHz37 MHz
Number of Circuits--212
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 .

This part is listed as a cross for

TL2843BDR-8TL2843BDR-8Texas Instruments
Directonsemi
Pin YesPkg YesElec Yes
30V, 0.2A high Performance 500KHz current mode PWM with 8.4V/7.6V UVLO, 100% duty cycle, -40C to 85C 8-SOIC -40 to 85
TL2843DRG4-8TL2843DRG4-8Texas Instruments
Directonsemi
Pin YesPkg YesElec Yes
Economy single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, -40-85C 8-SOIC -40 to 85
UC2843AD8TRUC2843AD8TRTexas Instruments
Directonsemi
Pin YesPkg YesElec Yes
30-V, 1-A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 40°C to 85°C 8-SOIC -40 to 85

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