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UC3843 |
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| Part Number | UC3843 |
| Manufacturer | STMicroelectronics (https://www.st.com/) |
| Description | TheUC3842/3/4/5family of controlICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal externalparts count.Internallyimplemen... |
| Features |
to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal externalparts count.Internallyimplementedcircuits include undervoltagelockout featuring start-up current less than 1 mA, a precision reference trimmed for accuracy at the error amp input,
logic to insure latched operation, a PWM comparatorwhich also providescurrentlimit control,and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N-Channel MOSFETs, is low in theoff-state. Differences between members of this family are the under-voltage loc... |
| Document |
 UC3843 Data Sheet
PDF 132.02KB |
Similar Datasheet
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| 2 | UC3841 |
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| 4 | UC3842 |
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| 5 | UC3842 |
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| 6 | UC3842 |
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High Performance Current Mode Controller |
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Desde 2024. D4U Semiconductor.
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