KA3505 Fairchild Semiconductor, KA3505 Datasheet
KA3505
Specifications of KA3505
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KA3505 Summary of contents
Page 1
... The delay time is programmed by a timing capacitor connected to TPG pin of KA3505. The power good output should be low state before the output voltage is out of regulation at turn-off. NORMAL = "HIGH", FAULT = "LOW" ...
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... KA3505 Internal Block Diagram VS33 VS33 VS5 VS12 VS5 VS12 OVP OVP Detector Detector UVP UVP Detector Detector Vref Vref IS12 IS12 14 14 COMP1 COMP1 Iref 5 Iref 5 (100 A) (100 A) IS5 IS5 15 15 COMP2 COMP2 Iref Iref 5 5 (100 A) (100 A) IS33 IS33 ...
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... Pin Assignments : KA3505 VS33 VS5 VS12 PGI Vcc FPO PSON T PSON KA3505 IS33 16 15 IS5 14 IS12 13 T PROT GND PGO 3 ...
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... KA3505 Pin Definitions Pin No. Name Over and Under Voltage Protection Input for the 3.3V. It directly senses the 3.3V 1 V33 rail without any external divider. Over and Under Voltage Protection Input for the 5V. It directly senses the 5V rail 2 V5 without any external divider. ...
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... LKG(FPO) FPO (Continued) Symbol Test Conditions V PG: "H" "L" IN(PG1) HY1 COMP7 HY2 COMP4 CHG(PG 2.2 F D(PG 10mA SAT(PG KA3505 Min. Typ. Max. Unit 3.9 4.1 4.3 V 5.7 6.1 6.5 V 13.6 14.3 15.0 V 2.69 2.83 2.97 V 4.1 4.3 4.5 V 9.8 10.3 10 ...
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... KA3505 Timing / Housekeeping / Control Remote on/off Output Voltage (3.3V, 5V, 12V) PGO FPO Stand-by Mode Vcc Power on/off 6 Toff Delay PG Delay Operating Mode PGI Detection Point Main Power Switch ON Ton Delay PG Delay OFF ...
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... Test Circuit 20V 0.1 F VS33 VS5 VS12 IS12 A 4 PGI T 3 PROT 5 Vcc 5 GND FPO 5 7 PSON PGO PSON 2 KA3505 7 ...
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... KA3505 Typical Characteristics 0.006 0.005 Icc=4.881mA Vcc=20V 0.004 0.003 0.002 0.001 0.000 Vcc[V] Figure 5.4 5.6 5.8 6.0 5V Output Voltage[V] Figure 3. Over Voltage Protection for + 2.5 2.5 2.6 2.6 2.7 2.7 2.8 2.8 3.3V Output Voltage[v] 3.3V Output Voltage[v] Figure 5. Under Voltage Protection for +3.3V ...
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... HY1 HY1 1.3 1.3 1.4 1.4 1.5 1.5 0.0 0.0 VTH.PSON PSON Voltage[V] PGI 1.1 1.2 1.3 1.4 1.5 PGI Voltage[V] HY2 HY2 0.5 0.5 1.0 1.0 1.5 1.5 2.0 2.0 2.5 2.5 TPG Voltage[V] TPG Voltage[V] Figure 12. Hysteresis Voltage 2 KA3505 9 ...
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... C3 C3 1000uF 1000uF 1000uF 1000uF C10 C10 1uF 1uF C4 C4 1000uF 1000uF 1000uF 1000uF R4 R4 R15 R15 R7 R7 Vcc Vcc R8 R8 C11 C11 0.1uF 0.1uF KA3505 KA3505 R16 R16 C12 C12 R9 R9 C13 C13 2.2uF 2.2uF 62 62 0.47uF 0.47uF ...
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... C3 C3 1000uF 1000uF 1000uF 1000uF C10 C10 1uF 1uF C4 C4 1000uF 1000uF 1000uF 1000uF R4 R4 R15 R15 R7 R7 Vcc Vcc R8 R8 C11 C11 0.1uF 0.1uF KA3505 KA3505 R16 R16 C12 C12 R9 R9 C13 C13 2.2uF 2.2uF 62 62 0.47uF 0.47uF KA3505 ...
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... KA3505 Mechanical Dimensions Package 6.40 0.20 0.252 0.008 #1 #16 #8 7.62 0.300 12 16-DIP #9 3.25 0.20 0.128 0.008 5.08 MAX 0.200 Dimensions in millimeters 0.38 MIN 0.014 3.30 0.30 0.130 0.012 ...
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... Ordering Information Product Number Package KA3505 16-DIP Operating Temperature - +85 C KA3505 13 ...
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... KA3505 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. ...