UC3842A ON Semiconductor, UC3842A Datasheet
UC3842A
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UC3842A Summary of contents
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... During under voltage lockout, the output stage can sink at least 10mA at less than 1.2V for V The difference between members of this family are shown in the table below. Part # UVLO On UC1842A 16.0V UC1843A 8.5V UC1844A 16.0V UC1845A 8.5V UC1842A/3A/4A/5A INFO UC2842A/3A/4A/5A available UC3842A/3A/4A/5A over 5V. CC Maximum Duty UVLO Off Cycle 10.0V <100% 7.9V <100% 10.0V <50% 7.9V <50% ...
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... N/C 8 CONNECTION DIAGRAMS PLCC-20, LCC-20 (TOP VIEW Packages DIL-8, SOIC-8 (TOP VIEW Package 16 N/C 15 VREF 14 VCC 13 VCC 12 OUTPUT 11 GND 10 PWRGND 9 N/C 2 UC1842A/3A/4A/5A UC2842A/3A/4A/5A UC3842A/3A/4A/5A PACKAGE PIN FUNCTION FUNCTION PIN N Comp 3 SENSE 8-9 N N/C 11 Pwr Gnd ...
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... SINK = 200mA SINK = 20mA SOURCE = 200mA SOURCE = 25° 1nF (Note 25° 1nF (Note 5V 10mA CC SINK 3 UC1842A/3A/4A/5A UC2842A/3A/4A/5A UC3842A/3A/4A/5A ≤ 125°C for the A ≤ 70°C for the UC384xA UC384xA TYP. MAX. MIN. TYP. 5.00 5.05 4.90 5. 0.2 0.4 0.2 4 ...
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... V .This contributes approximately 300 A of current to the measurement. T REF A higher than the measured value. pin will be approximately 300 4 UC1842A/3A/4A/5A UC2842A/3A/4A/5A UC3842A/3A/4A/5A ≤ 125°C for the A ≤ 70°C for the UC384xA UC184xA\UC284xA UC384xA MIN. TYP. MAX. MIN. ...
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... Under-Voltage Lockout Current Sense Circuit A small RC filter may be required to suppress switch transients. Output Saturation Characteristics Peak Current ( Determined By The Formula S 1.0V ′ I SMAX RS Error Amplifier Open-Loop Frequency Response 5 UC1842A/3A/4A/5A UC2842A/3A/4A/5A UC3842A/3A/4A/5A During UVLO, the Output is low. ...
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APPLICATIONS DATA (cont.) Oscillator Section Oscillator Frequency vs Timing Resistance Open-Loop Laboratory Test Fixture High peak currents associated with capacitive loads necessi- tate careful grounding techniques. Timing and bypass capaci- tors should be connected close to pin ...
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... Line Isolation 3. Switching Frequency 4. Efficiency Full Load 5. Output Voltage: A. +5V, ± 5 load 95VAC to 130VA Ripple voltage: 50mV P-P Max (50 Hz/60Hz) B. +12V, ± 3%; 0.1A to 0.3A load 3750V Ripple voltage: 100mV P-P Max 40kHz C. -12V , ± 3%; 0.1A to 0.3A load 70% Ripple voltage: 100mV P-P Max 7 UC1842A/3A/4A/5A UC2842A/3A/4A/5A UC3842A/3A/4A/5A ...
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PACKAGING INFORMATION (1) Orderable Device Status 5962-8670405PA ACTIVE 5962-8670405VPA ACTIVE 5962-8670405VXA ACTIVE 5962-8670405XA ACTIVE 5962-8670406PA ACTIVE 5962-8670406VPA ACTIVE 5962-8670406VXA ACTIVE 5962-8670406XA ACTIVE 5962-8670407PA ACTIVE 5962-8670407VPA ACTIVE 5962-8670407VXA ACTIVE 5962-8670407XA ACTIVE 5962-8670408PA ACTIVE 5962-8670408VPA ACTIVE 5962-8670408VXA ACTIVE 5962-8670408XA ACTIVE UC1842AJ ...
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... UC2845AD8TR ACTIVE UC2845AD8TRG4 PREVIEW UC2845ADTR ACTIVE UC2845ADW ACTIVE UC2845AN ACTIVE UC3842AD ACTIVE UC3842AD8 ACTIVE UC3842AD8TR ACTIVE UC3842ADTR ACTIVE UC3842ADW ACTIVE UC3842ADWTR ACTIVE UC3842AJ ACTIVE UC3842AN ACTIVE PACKAGE OPTION ADDENDUM Package Pins Package Eco Plan Type Drawing Qty SOIC DW 16 2000 CDIP JG 8 ...
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... Orderable Device Status UC3842ANG4 ACTIVE UC3843AD ACTIVE UC3843AD8 ACTIVE UC3843AD8G4 ACTIVE UC3843AD8TR ACTIVE UC3843AD8TRG4 ACTIVE UC3843ADG4 ACTIVE UC3843ADTR ACTIVE UC3843AJ ACTIVE UC3843AN ACTIVE UC3843ANG4 ACTIVE UC3844AD ACTIVE UC3844AD8 ACTIVE UC3844AD8TR ACTIVE UC3844AD8TRG4 ACTIVE UC3844ADTR ACTIVE UC3844ADW ACTIVE UC3844ADWTR ACTIVE ...
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Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Green (RoHS & ...