? coilcraft, inc. 2005 specifications subject to change without notice. please check our website for latest information. output choke inductors document 301 -1 for national semiconductor lm5030 controller ic 1.040 26,42 0.148 3,76 typ 0.060 0.090 1,52 2,29 recommended land pattern typ 1.020 25,91 max 0.910 23,11 max 0.400 10,16 max 0.004 / 0,10 1. inductance measured at 10.0 khz, 0.1 vrms. 2. dc current at which inductance drops 12% (typ) from its value without current. 3. average current for a 40c rise from 25c ambient. 4. operating temperature range -40c to +85c. 5. electrical specifications at 25c. schematic inductance 1 dcr max (ohms) part power at 0 adc inductance 1 main aux isolation i i i i i sat 2 i i i i i rms 3 number (w) 10% (h) 10% (h) winding winding (v) (a) (a) A9785-B 33 7.0 6.71 @ 12.0 adc 0.0066 1.95 1500 15.0 12.5 a0153-a 35 7.0 6.20 @ 10.0 adc 0.0066 1.32 1500 14.5 12.5 b0414-a 60 13.8 13.80 @ 5.0 adc 0.0098 0.68 1500 8.0 9.5 these low-profile inductors are designed specifically for the national semiconductor lm5030 push-pull current mode pwm controllers. the 33 watt design specifies our A9785-B, the 35 watt design uses the a0153-a and the 60 watt design uses the b0414-a. they are the output chokes for coilcraft?s planar trans- formers (a9784-b, a0152-a and b0310-a). the auxiliary winding controls the input current to the pwm. the national semiconductor design also specifies coilcraft?s mss6132-103 power inductor for the input choke. refer to separate data sheets for additional information on these coilcraft parts. request free evaluation samples by contacting coilcraft or visiting www.coilcraft.com. document 301-1 revised 01/28/05 tape and reel: 200/13 44 mm tape width
? coilcraft, inc. 2005 output choke inductors for lm5030 ic specifications subject to change without notice. please check our website for latest information. document 301 -2 document 301-2 revised 01/28/05 1 100 10 0.1 1 10 frequency (mhz) inductance (h) A9785-B a0153-a b0414-a 1 10 100 1 100 10 current (a) inductance (h) A9785-B a0153-a b0414-a typical l vs current typical l vs frequency 0 10 20 30 40 50 60 70 02 4 6 810121416 current (a) temperature rise (fr om 25c) a0153-a A9785-B b0414-a typical temperature rise vs current
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