UC3843D8 UNITRODE, UC3843D8 Datasheet
UC3843D8
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UC3843D8 Summary of contents
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CURRENT MODE PWM CONTROLLER FEATURES Optimized For Off-line and DC-to-DC Converters Low Start-Up Current (<1 mA) Automatic Feed Forward Compensation Pulse-by-Pulse Current Limiting Enhanced Load Response Characteristics Under-Voltage Lockout With Hysteresis Double Pulse Suppression High Current Totem Pole Output ...
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UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C – APRIL 1997 – REVISED JUNE 2007 ABSOLUTE MAXIMUM RATINGS Low impedance source Supply voltage I CC Output current Output energy (capacitive load) Analog inputs (Pins 2, 3) Error amp output sink current T A Power ...
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THERMAL CHARACTERISTICS over operating free-air temperature range (unless otherwise noted) PACKAGE DIL-8 SOIC-8 SOIC-14 CFP-14 PLCC-20 (1) data values stated were derived from MIL-STD-1835B. JC (2) Specified (junction to ambient) is for devices mounted range ...
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UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C – APRIL 1997 – REVISED JUNE 2007 ELECTRICAL CHARACTERISTICS (continued) Unless otherwise stated, these specifications apply for –55 C UC284X for the 384X PARAMETER ERROR AMP SECTION Input Voltage ...
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ERROR AMP CONFIGURATION Error amp can source or sink up to 0.5 mA UNDER-VOLTAGE LOCKOUT During under-voltage lock-out, the output drive is biased to sink minor amounts of current. Pin 6 should be shunted to ground with ...
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UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C – APRIL 1997 – REVISED JUNE 2007 OSCILLATOR SECTION V 8 REF GROUND 5 1.72 For R > ...
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OPEN-LOOP LABORATORY FIXTURE High peak currents associated with capacitive loads necessitate careful grounding techniques. Timing and bypas capacitors should be conected close to pin single point ground. The transistor and 5k potentiometer are used to sample ...
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UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C – APRIL 1997 – REVISED JUNE 2007 OFFLINE FLYBACK REGULATOR VARO 117 VAC 250 F 250 4 150 ...
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PACKAGING INFORMATION Orderable Device (1) Package Type Package Status 5962-8670401PA ACTIVE CDIP 5962-8670401XA ACTIVE LCCC 5962-8670402PA ACTIVE CDIP 5962-8670402XA ACTIVE LCCC 5962-8670403PA ACTIVE CDIP 5962-8670403XA ACTIVE LCCC 5962-8670404DA ACTIVE CFP 5962-8670404PA ACTIVE CDIP 5962-8670404XA ACTIVE LCCC UC1842J ACTIVE CDIP ...
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Orderable Device (1) Package Type Package Status UC2842D8 ACTIVE SOIC UC2842D8G4 ACTIVE SOIC UC2842D8TR ACTIVE SOIC UC2842D8TRG4 ACTIVE SOIC UC2842DG4 ACTIVE SOIC UC2842DTR ACTIVE SOIC UC2842DTRG4 ACTIVE SOIC UC2842J OBSOLETE CDIP UC2842N ACTIVE PDIP UC2842NG4 ACTIVE PDIP UC2842P OBSOLETE ...
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Orderable Device (1) Package Type Package Status UC2843J OBSOLETE CDIP UC2843N ACTIVE PDIP UC2843NG4 ACTIVE PDIP UC2844D ACTIVE SOIC UC2844D8 ACTIVE SOIC UC2844D8G4 ACTIVE SOIC UC2844D8TR ACTIVE SOIC UC2844D8TRG4 ACTIVE SOIC UC2844DG4 ACTIVE SOIC UC2844DTR ACTIVE SOIC UC2844DTRG4 ACTIVE ...
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... SOIC UC3842DTR ACTIVE SOIC UC3842DTRG4 ACTIVE SOIC UC3842N ACTIVE PDIP UC3842NG4 ACTIVE PDIP UC3842P OBSOLETE PDIP UC3843D ACTIVE SOIC UC3843D8 ACTIVE SOIC Pins Package Qty (2) Eco Plan Drawing Ball Finish Green (RoHS CU NIPDAU Level-1-260C-UNLIM & no Sb/Br 2500 Green (RoHS CU NIPDAU Level-1-260C-UNLIM & ...
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... Orderable Device (1) Package Type Package Status UC3843D8G4 ACTIVE SOIC UC3843D8TR ACTIVE SOIC UC3843D8TRG4 ACTIVE SOIC UC3843DG4 ACTIVE SOIC UC3843DTR ACTIVE SOIC UC3843DTRG4 ACTIVE SOIC UC3843N ACTIVE PDIP UC3843NG4 ACTIVE PDIP UC3843P OBSOLETE PDIP UC3843QTR OBSOLETE PLCC UC3844D ACTIVE SOIC UC3844D8 ...
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Orderable Device (1) Package Type Package Status UC3844NG4 ACTIVE PDIP UC3844P OBSOLETE PDIP UC3845AJ ACTIVE CDIP UC3845D ACTIVE SOIC UC3845D8 ACTIVE SOIC UC3845D8G4 ACTIVE SOIC UC3845D8TR ACTIVE SOIC UC3845D8TRG4 ACTIVE SOIC UC3845DG4 ACTIVE SOIC UC3845DTR ACTIVE SOIC UC3845DTRG4 ACTIVE ...
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Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be ...
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... UC2842DTR SOIC D UC2843D8TR SOIC D UC2843DTR SOIC D UC2844D8TR SOIC D UC2844DTR SOIC D UC2845D8TR SOIC D UC2845DTR SOIC D UC3842D8TR SOIC D UC3842DTR SOIC D UC3843D8TR SOIC D UC3843DTR SOIC D UC3844D8TR SOIC D UC3844DTR SOIC D UC3845D8TR SOIC D UC3845DTR SOIC D PACKAGE MATERIALS INFORMATION Pins SPQ Reel Reel A0 (mm) Diameter Width (mm) ...
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... UC2842D8TR SOIC UC2842DTR SOIC UC2843D8TR SOIC UC2843DTR SOIC UC2844D8TR SOIC UC2844DTR SOIC UC2845D8TR SOIC UC2845DTR SOIC UC3842D8TR SOIC UC3842DTR SOIC UC3843D8TR SOIC UC3843DTR SOIC UC3844D8TR SOIC UC3844DTR SOIC UC3845D8TR SOIC UC3845DTR SOIC PACKAGE MATERIALS INFORMATION Package Drawing Pins SPQ Length (mm 2500 D ...
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JG (R-GDIP-T8) 0.400 (10,16) 0.355 (9,00 0.065 (1,65) 0.045 (1,14) 0.063 (1,60) 0.015 (0,38) 0.023 (0,58) 0.015 (0,38) 0.100 (2,54) NOTES: A. All linear dimensions are in inches (millimeters). B. This drawing is subject to change without notice. ...
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FN (S-PQCC-J**) 20 PIN SHOWN NO. OF PINS ** MIN 0.385 (9,78) 20 0.485 (12,32) 28 0.685 (17,40) 44 0.785 (19,94) 52 0.985 (25,02) 68 1.185 (30,10) 84 ...
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Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the ...