KA3504 Fairchild Semiconductor, KA3504 Datasheet
KA3504
Specifications of KA3504
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KA3504 Summary of contents
Page 1
... The delay time is prorammed by a timing capacitor connected to TPG pin of KA3504. The power good output should be low state before the output voltage is out of regulation at turn-off. NORMAL = "HIGH", FAULT = "LOW" ...
Page 2
... KA3504 Internal Block Diagram 3 VS12 OVP VS5 2 Detector VS33 1 COMP1 1 4 IS12 Iref*5 (100uA) COMP2 IS5 1 5 Iref*5 (100uA) IS33 1 6 Iref*5 COMP3 (100uA) Absolute Maximum Ratings Parameter Supply Voltage Input Voltage FPO Voltage FPO Maximum Current Operating Temperature Storage Temperature Range ...
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... Pin Assignments : KA3504 VS33 VS5 VS12 PGI Vcc FPO PSON T PSON KA3504 IS33 IS5 IS12 T PROT GND PGO 3 ...
Page 4
... KA3504 Pin Definitions Pin No. Name Over Voltage Protection Input for the 3.3V. It Directly Senses the 3.3V Rail 1 VS33 Without any External Divider. Over Voltage Protection Input for the 5V. It Directly Senses the 5V Rail Without 2 VS5 any External Divider. Over Voltage Protection Input for the 12V. It Directly Senses the 12V Rail ...
Page 5
... C = 0.1 F OFF(PSON 10mA SAT(FPO) FPO 20V LKG(FPO) FPO Symbol Test Conditions V PG: "H" "L" IN(PG1) HY1 COMP7 HY2 COMP4 CHG(PG 2.2 F D(PG 10mA SAT(PG KA3504 Min. Typ. Max. Unit 3.9 4.1 4.3 V 5.7 6.1 6.5 V 13.6 14.3 15 -15 -21 - msec 1 1.4 1 5.25 ...
Page 6
... KA3504 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 ...
Page 7
... Test Circuit KA3504 7 ...
Page 8
... KA3504 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 +5V 0.000010 0.000005 0.000000 -0.000005 -0.000010 -0.000015 -0.000020 PSON Voltage[V] Figure 5. PS On/Off Delay Current 8 Icc 20 15 ...
Page 9
... PGI Voltage[V] PGI Voltage[V] Figure 7. Hysteresis Voltage 1 (Continued) HY1 HY1 1.3 1.3 1.4 1.4 1.5 1.5 0.0 0.0 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 8. Hysteresis Voltage 2 KA3504 9 ...
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... KA3504 Application Circuit C109 C110 TX2 C112 N C115 1 D11 R32 10 2 TX4 8 C119 D13 R38 D14 C124 D15 Vcc R27 C103 2 TX1 SW2 C106 R28 C111 D10 R30 B+ TX3 2 1 Lp1 Ls C116 R33 D12 2 Vcc1 C118 M1 PWM IC R39 2 1 R41 C122 ...
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... Mechanical Dimensions Package 6.40 0.20 0.252 0.008 #1 #16 #8 7.62 0.300 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 KA3504 11 ...
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... KA3504 Ordering Information Product Number Package KA3504 16-DIP 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 ...