innovative power tm - 1 - www.active-semi.com copyright ? 2014 active-semi, inc. activepsr tm is a trademark of active-semi. activepsr tm quasi-resonant pwm controller features ? patented primary side regulation technology ? quasi-resonant operation ? adjustable up to 85khz switching frequency ? +/-5% output voltage regulation ? accurate ocp/olp protection ? integrated output cord compensation ? integrated line and primary inductance compensation ? built-in soft-start circuit ? line under-voltage, thermal, output over- voltage, output short protections ? current sense resistor short protection ? transformer short winding protection ? less than 100mw standby power ? complies with global energy efficiency and cec average efficiency standards ? tiny sot23-6 packages applications ? ac/dc adaptors/chargers for smart phones, ipads, adsl, pdas, e-books ? adaptors for portable media player, dscs, and other general description the act413 is a high performance peak current mode pwm controller which applies activepsr tm and activeqr tm technology. act413 achieves accurate voltage regulation without the need of an opto-coupler or reference device. the act413 is designed to achieve less than 100mw standby power. by applying frequency fold back and activeqr tm technology, act413 exceeds the latest es2.0 efficiency standard. act413 integrates comprehensive protection. in case of over temperature, over voltage, short winding, short current sense resistor, open loop and overload conditions, it would enter auto restart mode including cycle-by-cycle current limiting. act413 is to achieve no overshoot and very short rise time even with big capacitive load (4000f) with the built-in fast and soft start process, . the quasi-resonant (qr) operation mode can effectively improve efficiency, reduce the emi noise and further reduce the components in input filter. act413 is idea for application up to 36 watt. figure 1: simplified application circuit act413 product brief, 10-mar-14
act413 product brief, 10-mar-14 innovative power tm - 2 - www.active-semi.com copyright ? 2014 active-semi, inc. activepsr tm is a trademark of active-semi. pin configuration pin descriptions part number temperature range package pins packing method option (dc cord %) top mark act413us-t -40c to 85c sot23-6 6 tube & reel 6 fryk sot23-6 act413us ordering information pin name description 1 cs current sense pin. connect an external resistor (r cs ) between this pin and ground to set peak current limit for the primary switch. 2 gnd ground. 3 gate gate drive. gate driver fo r the external mosfet transistor. 4 vdd power supply. this pin provides bias power fo r the ic during startup an d steady state operation. 5 fb feedback pin. connect this pin to a resist or divider network from the auxiliary winding. 6 comp compensation pin.
act413 product brief, 10-mar-14 innovative power tm - 3 - www.active-semi.com copyright ? 2014 active-semi, inc. activepsr tm is a trademark of active-semi. item reference description qty manufacturer 1 u1 ic, act413,sot23-6 1 active-semi. 2 c1,c2 capacitor, electrolytic, 10f/400v, 10x15mm 2 ksc 3 c3 capacitor, ceramic, 1000pf/500v, 0805,smd 1 poe 4 c4 capacitor, electrolyt ic,10f/35v,5x11mm 1 ksc 5 c6,c7 capacitor, electrolytic, 820f/6.3v, 6.3 16mm 2 ksc 6 c8 capacitor, ceramic, 0.1f/25v, 0805,smd 1 poe 7 c9 capacitor, ceramic, 1000pf/100v, 0805,smd 1 poe 8 c10 capacitor, ceramic, 200pf/50v, 0805,smd 1 poe 9 cy1 safety y1,capacitor,1000pf/400v,dip 1 uxt 10 bd1 bridge rectifier,d1010s,1000v/1.0a,sdip 1 panjit 11 d2,d3 fast recovery rectifier, rs1m,1000v/1.0a, rma 2 panjit 12 d4 diode, schottky, 45v/ 10a, s10u45s, smd 1 vishay 13 d5 diode, 1n4148 smd 1 panjit 14 l1 axial inductor, 1.5mh, 5*7,dip 1 soka 15 l2 axial inductor, 0.55*5t, 5*7,dip 1 soka 16 q1 mosfet transistor, 2n60,to-251 1 infineon 17 pcb1 pcb, l*w*t=40x28x1. 6mm,cem-1,rev:a 1 jintong 18 fr1 fuse,1a/250v 1 ty-ohm 19 r2 carbon resistor, 200k ? , 1206, 5% 1 ty-ohm 20 r3 chip resistor, 100 ? , 0805, 5% 1 ty-ohm 21 r1 chip resistor, 51 ? , 0805, 5% 1 ty-ohm 23 r5 chip resistor, 68k ? , 0805,1% 1 ty-ohm 24 r6 chip resistor, 11.5k ? , 0805, 1% 1 ty-ohm 25 r7 chip resistor, 1m ? , 0805 , 5% 1 ty-ohm 26 r8 chip resistor, 1m ? , 0805 , 5% 1 ty-ohm 27 r9 chip resistor, 1.15 ? , 1206,1% 1 ty-ohm 28 r10,r15 chip resistor, 240 ? , 0805 , 5% 2 ty-ohm 29 r11,r12 chip resistor, 3k ? , 0805 , 5% 2 ty-ohm 30 r14 chip resistor, 100k ? , 0805, 5% 1 ty-ohm 31 t1 transformer, lp=0.6mh, ee16 1 22 r4,r13 chip resistor, 22 ? , 0805, 5% 2 ty-ohm table 1: act413 bill of materials figure 2: act413, universal vac input, 5v/2.4a output charger
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