数据搜索系统,热门电子元器件搜索 |
|
UC2843A-Q1 数据表(PDF) 8 Page - Texas Instruments |
|
UC2843A-Q1 数据表(HTML) 8 Page - Texas Instruments |
8 / 15 page A fraction of the oscillator ramp can be resistively summed with the current sense signal to provide slope compensation for converters requiring duty cycles over 50%. Note that capacitor C forms a filter with R2 to suppress the leading-edge switch spikes. R SENSE I SENSE R2 R1 C R T C T 0.1 µF V REF R /C T T I SENSE UC2843A 8 4 3 Power Supply Specifications 1. Input Voltage 95 VAC to 130 VAC (50 Hz/60 Hz) 2. Line Isolation 3750 V 3. Switching Frequency 40 kHz 4. Efficiency, Full Load 70% 5. Output Voltage: A. 5%; 1-A to 4-A Load 5 V ± B. 3%; 0.1-A to 0.3-A Load; Ripple voltage: 100 mV P-P Max ± 12 V C. -12 V 3%; 0.1-A to 0.3-A Load; Ripple voltage: 100 mV P-P Max ± R1 5 1 W W 117 VAC VARO VM 68 C1 250 µF 250 V R2 56 k 2 W W R12 4.7 k 2 W W R4 4.7 kW R3 20 kW C9 3300 pF 600 V D4 1N3613 NP C12 2200 µF 16 V C13 2200 µF 16 V C11 4700 µF 10 V N5 N12 C10 4700 µF 10 V N12 D8 UES1002 C8 680 pF 600V D5 1N3613 +5 V COM +12 V ±12 V COM –12 V R11 2.7 k 2 W W Q1 UFN833 R10 0.55 1 W W R13 20 kW R8 1 kW C7 470 pF USD1120 R7 22 W T1 (Note 2) D6 USD945 L1 (Note 2) R9 68 3 W W C4 47 µF 25 V C3 22 µF C2 100 µF 25 V R5 150 kW C14 100 pF R6 10 kW C6 .0022 µF C5 .01 µF D2 1N3612 D3 1N3612 NC UC2843A 1 2 3 4 5 6 7 8 D7 USF1002 UC2843A-Q1 SGLS384 – MAY 2008........................................................................................................................................................................................................ www.ti.com Figure 8. Slope Compression Figure 9. Off-Line Flyback Regulator 8 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): UC2843A-Q1 |
类似零件编号 - UC2843A-Q1_15 |
|
类似说明 - UC2843A-Q1_15 |
|
|
链接网址 |
隐私政策 |
ALLDATASHEETCN.COM |
ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |