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| Document 305 Planar Transformers For National Semiconductor LM5030 Controller IC Less than 10 mm high, Coilcraft's planar transformers are ideal for use in high-current telecom power supply applications that require high efficiency in a low-profile package. These transformers are designed specifically to perform with the National Semiconductor LM5030 Push-Pull Current Mode PWM Controller. They provide three different output ratings to suit a variety of applications All offer 1500 Vrms primary to secondary isolation. Coilcraft's A9785-B, A0153-A and B0414-A are output chokes and include an extra winding for auxiliary voltage supply. Our MSS6132-103 functions as the input filter choke in the same circuit. Refer to separate data sheets for additional information on these parts. Request free evaluation samples by contacting Coilcraft or visiting www.coilcraft.com. Output Part power 1 number (W) A9784-BL_ 33 A0152-AL_ 35 B0310-AL_ 60 Input voltage range (V) 36 - 75 36 - 75 36 - 75 Output voltage (V) 3.3 5.0 12.0 Output Primary Leakage current2 inductance3 inductance (A rms) min (mH) max (H) 10.0 1.30 3.50 7.0 1.30 2.50 5.0 1.30 2.50 DCR max pri 0.850 0.850 0.850 (Ohms) sec 0.016 0.018 0.060 Turns ratio pri : sec 6:1 4:1 2:1 1. When ordering, please specify packaging code: B0310-ALD Packaging: D = 13 machine ready reel. EIA-481 embossed plastic tape (250 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. 1.320 max 33,53 3 0.870 max 2 22,10 1 4 0.105 0,267 5 2. 15C temperature rise typical at output current. 3. Inductance measured between pins 1 and 3 at 250 kHz, 0.1 Vrms, 0 Adc. 4. Operating temperature range: -40C to +85C. 5. Electrical specifications at 25C. 1.115 0.010 28,32 0,25 Recommended Land Pattern 0.334 0.010 8,48 0,25 0.334 0.010 8,48 0,25 6 0.340 max 8,64 0.004 / 0,10 Weight: Terminations: Tape and reel: 9.5 - 10.9 g Matte tin over nickel over brass 250/13 reel 56 mm tape Specifications subject to change without notice. Please check our website for latest information. Document 305 Revised 09/30/05 (c) Coilcraft, Inc. 2007 Document 301 -1 Output Choke Inductors For National Semiconductor LM5030 Controller IC 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 transformers (A9784-B, A0152-A and B0310-A). The auxiliary winding controls the input current to the PWM. All inductors offer 1500 Vrms main to auxiliary isolation. 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. Part number1 A9785-BL_ A0153-AL_ B0414-AL_ Power (W) 33 35 60 Inductance2 at 0 Adc 10% (H) 7.0 7.0 13.8 Inductance2 10% (H) 6.71 @ 12.0 Adc 6.20 @ 10.0 Adc 13.80 @ 5.0 Adc DCR max (Ohms) Main Aux winding winding 0.0066 1.95 0.0066 1.32 0.0098 0.68 Turns ratio main : aux 1 : 3.2 1 : 2.2 1 : 1.09 Isat3 (A) 15.0 14.5 8.0 Irms4 (A) 12.5 12.5 9.5 1. When ordering, please specify packaging code: B0414-ALD 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. 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. 0.400 max 10,16 0.004 / 0,10 1.020 max 25,91 1.040 26,42 0.910 max 23,11 0.148 typ 3,76 Weight: Terminations: Tape and reel: 11.3 - 11.9 g Nickel/tin over phos bronze 200/13 44 mm tape width Recommended Land Pattern 0.060 x 0.090 typ 1,52 x 2,29 Specifications subject to change without notice. Please check our website for latest information. Document 301-1 Revised 02/07/05 (c) Coilcraft, Inc. 2007 Document 301 -2 Output Choke Inductors for LM5030 IC Typical L vs Frequency 100 Typical L vs Current 100 Inductance (H) B0414-A 10 A9785-B A0153-A Inductance (H) B0414-A 10 A0153-A A9785-B 1 0.1 1 10 1 1 10 100 Frequency (MHz) Current (A) Typical Temperature Rise vs Current 70 Temperature rise (from 25C) 60 50 40 30 20 10 0 0 2 4 6 8 B0414-A A9785-B A0153-A 10 12 14 16 Current (A) Specifications subject to change without notice. Please check our website for latest information. Document 301-2 Revised 02/07/05 (c) Coilcraft, Inc. 2007 |
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