? coilcraft, inc. 2010 specifications subject to change without notice. please check our website for latest information. document 357-1 document 357-1 revised 11/07/05 transformer 1. when ordering, please specify packaging code: b0392-al d packaging: d =13 machine ready reel. eia-481 embossed plastic tape (200 parts per full reel). b = less than full reel. in tape, but not machine ready. to have a leader and trailer added ($25 charge), use code letter d instead. output primary leakage pri/sec part output output current inductance 2 inductance 3 dcr max isolation number 1 power (w) voltage (v) (a rms) min (h) max (h) (mohms) (vdc) b0392-al_ 100 3.3 30.0 65.0 0.22 primary: 13.5 1500 secondary: 0.4 planar magnetics this planar transformer and planar inductor pair is de- signed specifically for the texas instruments ucc3580 family of pwm controllers. the b0392-a transformer is engineered for use in single switch, forward topologies operating at 300 khz. it is ideal for use in high-current telecom power supply applications that require high efficiency in a low-profile package. the main winding of the b0430-a inductor serves as an output choke, while the auxiliary winding controls input current to the pwm. request free evaluation samples by contacting coilcraft or visiting www.coilcraft.com. for texas instruments ucc3580 1 2 4 3 pri 6 : 1 sec 0.800 20,32 recommended land pattern 0.200 5,08 0.125 3,18 0.290 7,37 ? 0.110 2,79 ? 0.080 2,03 0.810 20,57 max 0.920 23,37 max 0.006 /0,15 1 1 3 3 2 2 4 4 0.340 8,64 max weight: 11.1 g terminations: matte-tin over nickel over brass tape and reel: 200/13 reel 44 mm tape width 2. inductance measured on an agilent/hp 4284 between pins 1 and 2 at 250 khz, 0.1 vrms, 0 adc. 3. leakage inductance measured between pins 1 and 2 at 100 khz, 0.1 vrms, 0 adc with secondary pins shorted. 4. storage and ambient operating temperature range: ?40c to +85c. 5. electrical specifications at 25c.
? coilcraft, inc. 2010 planar magnetics for texas instruments ucc3580 specifications subject to change without notice. please check our website for latest information. document 357-2 document 357-2 revised 11/07/05 output inductor 1. when ordering, please specify packaging code: b0434-al d packaging: d =13 machine ready reel. eia-481 embossed plastic tape (200 parts per full reel). b = less than full reel. in tape, but not machine ready. to have a leader and trailer added ($25 charge), use code letter d instead. inductance 2 part @ 0 adc i rated dcr max isolation 3 i sat 4 i rms 5 number 1 (h) adc (mohms) (vdc) (a) (a) b0434-al_ 2.0 10% 30 main: 1.9 1100 38 36 aux: 1450.0 0.340 8,64 max 0.810 20,57 max 0.920 23,37 max 0.006 /0,15 0.800 20,32 recommended land pattern 0.310 7,87 0.310 7,87 0.250 6,35 0.250 6,35 ? 0.090 2,29 ? 0.060 1,52 1 1 3 3 2 2 4 4 4 3 1 2 main 4t aux 16t typical l vs frequency typical l vs current 0.1 1 10 100 frequency (mhz) inductance (h) 0.1 1 100 10 0.1 1 10 100 0.1 1 100 10 current (a) inductance (h) weight: 11.5 g terminations: matte-tin over nickel over brass tape and reel: 200/13 reel 44 mm tape width 2. inductance measured on an agilent/hp 4284 between pins 3 and 4 at 10 khz, 0.1 vrms. 3. isolation measured from pin 1 to pin 3. 4. dc current at which inductance drops 10% (typ) from its value without current. 5. average current for a 40c rise above 25c ambient. 6. storage and ambient operating temperature range: ?40c to +85c. 7. electrical specifications at 25c.
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