FA5590 FUJI [Fuji Electric], FA5590 Datasheet
FA5590
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FA5590 Summary of contents
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... FUJI Power Supply Control IC Power Factor Correction FA5590／FA5591 Application Note Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N 1 http://www.fujielectric.co.jp/products/semiconductor/ April-2011 Fuji Electric Co.,Ltd ...
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... If you have any question about any portion in this Data Book, ask Fuji Electric or its sales agents before using the product. Neither Fuji nor its agents shall be liable for any injury caused by any use of the products not in accordance with instructions set forth herein. Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N WARNING 2 http://www.fujielectric.co.jp/products/semiconductor/ trade secret or other ...
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... Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N ……………………… ……………………… ……………………… ……………………… ...
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... Description FA5590/FA5591 is power-factor correction converter IC operating in critical conduction mode. It realizes low power consumption by using high voltage CMOS process equipped with many fault protection functions such as FB short-circuit detection circuit which stops the operation when abnormal output voltage is detected. 2. Features Very Low Standby Power by disusing Input Voltage Detection Resistors ...
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... OUT Output 8 VCC Power Supply Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N Function Description Input for monitoring PFC output voltage Output of error amplifier Set Maximum on time by connecting resistor Set Delay time of Turn-on from zero-cross timing by connecting resistor Input for sensing current ...
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... Ambience temperature Ta (°C) (2) Recommended Operating Conditions Item Symbol Supply Voltage Vcc RT pin resistance Rrt RTZC pin resistance Rrtzc IS pin filter resistance Risf Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N Symbol Ratings Icc+Iz 15 Vcc 28 Io +1000 -500 Vinfb -0 Vinis -5 to 0.3 Pd 400 ...
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... IS threshold voltage Vthisdt temperature characteristics Output delay Tphl Zero current detection voltage Vzcd Zero current detection delay Tzcd RTZC output voltage Vrtzc Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N Condition MIN 2.465 Vcc=10V to 26V -20 Tj=-30°C to +85°C 50 Source:V(FB)=1.0V 20 Sink:V(FB)=4.0V -30 Condition MIN V(COMP)=5 ...
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... Dynamic orerating current Iop Standby current Istb Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N Condition MIN Isink=200mA - Isouce=200mA 7.8 CL=1.0nF - CL=1.0nF - Condition MIN Condition MIN FA5590 8.6 FA5591 11.5 8 FA5590 0.3 FA5591 3.0 Condition MIN Vcc=Von-0. CL=1.0nF - Vfb=0V - http://www.fujielectric.co.jp/products/semiconductor/ 8 TYP MAX Unit 1.2 3 120 ns 25 ...
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... Tj [℃] Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N Error amplifier voltage feedback input ｴﾗｰｱﾝﾌﾟ入力ｽﾚｯｼｭ電圧(Vfb) vs threshold(Vfb) vs. junction temperature(Tj) ｼﾞｬﾝｸｼｮﾝ温度(Tｊ) 2 ...
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... VCC [V] Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N Maximum on-range(Tonmax) vs. 最大オン幅(Tonmax) vs after soft start ソフトスタート解除後 ...
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... RTZC FA5590/91 Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N By repeating the operations t3, the switching in critical mode is continued. With the power-factor correction circuit in the critical mode, the switching frequency is always changing due to instantaneous values of the AC input voltage. changes when the input voltage or load changes. ...
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... Fig.3 Outline of inductor and AC input current Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N FA5590/FA5591 uses fixed on time control shown in Fig. 4. This control determines the on time of the output of IC (gate drive signal for Power Mos) with combination of the error amplifier output and saw tooth wave ...
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... In such a case, this protect circuit works to control the output voltage. FA5590/91 has dynamic OVP function to narrow the on tme when the FB terminal voltage becomes above 2.5V, and static OVP function to stop the output when it becomes higher than 1.09 times the reference voltage ...
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... Maximum frequency limiting The switching frequency of PFC in the critical mode has characteristic to rise at light load. FA55901/91 has the maximum frequency limiting function to improve the efficiency at light load and limits the switching frequency to Fmax (Hz). (Fig. 10) The maximum frequency Fmax depends on the resistance connected between the RT terminal and GND ...
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... UVLO is equipped to prevent circuit malfunction when supply voltage drops. When the supply voltage rises from zero, the operation starts at 9.6V (typ.) for FA5590 and 13V (typ.) for FA5591. When the supply voltage decreases after the operation starts, either part number stops the operation at 9V (typ.). ...
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... Wiring Connect C, R between COMP terminal and GND as shown in Fig. 16. - Operation Connecting the COMP terminal suppress ripple component at 2 times the frequency of the AC line that appears in the FB output. Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N VREF 16 Vout 1.8uA VREF(2.5V) R1 ...
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... Vac 0 8 (ii) Set maximum oscillation frequency To improve the efficiency at light load, FA5590/91 limits swithching frequency at light load to Fmax (Hz). The maximum frequency Fmax depends on the resistance connected between RT terminal and GND. - Wiring Connect R5 between RT and GND as shown in Fig. 17. For the resistance dependency of the maximum on time and maximum oscillation frequency, see Chapter 8 ...
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... IS terminal even when such ac input voltage is connected. If voltage higher than the rating is predicted to be applied to the IS terminal, use rush preventive circuit suppress rushing current or place Zener diode shown in Fig. 20 and Fig. 21. Fuji Electric Co., Ltd. AN-016E Rev.1.2 April-2011 FA5590N,FA5591N IS 1.4kΩ 21.9kΩ 46.7kΩ 1.5V Fig.20 IS pin protection circuit (1) R4 Fig ...
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... When the supply voltage rises from zero, the operation starts at 9.6V (typ.) for FA5590 and 13V (typ.) for FA5591. If the supply voltage decreases after the operation starts, the operation stops at 9V (typ.) by UVLO for both ICs. After IC stops operation due to UVLO, the OUT terminal is Low state to cut off the output ...
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... Von(max): Low voltage ON threshold voltage of UVLO FA5590 10.6V(max) FA5591 14V(max) The value of R7 expressed with the formula is, however, at least necessary and minimum condition to start the IC, and actually it should be decided considering the starting up time required for each application circuit. This starting up time must be examined by measuring in actual circuit operation ...
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... C205 0.1u FB VCC COMP OUT RT GND C212 R211 RTZC IS 51k 0.01u R212 C207 FA5591 20k 0.01u 21 RTZC RT COMP FB FA5590 /FA5591 IS GND OUT VCC YG952S6RP 175µH R215 D201 620k R216 620k Q201 C202 R217 220u 620k R209 R218 680k 47k R219 16k ...