A9785-B中文资料
Document 305 Planar Transformers
For National SemiconductorLM5030 Controller IC
Less than 10 mm high, Coilcraft’s planar transformers areideal for use in high-current telecom power supply appli-cations that require high efficiency in a low-profile package.These transformers are designed specifically to performwith the National Semiconductor LM5030 Push-Pull Cur-rent Mode PWM Controller. They provide three differentoutput ratings to suit a variety of applications.
Coilcraft’s A9785-B, A0153-A and B0414-A are outputchokes and include an extra winding for auxiliary voltagesupply. Our MSS6132-103 functions as the input filterchoke in the same circuit. Refer to separate data sheetsfor additional information on these parts. Input
PartOutputvoltageOutputnumberpower (W)range (V)voltage (V)A9784-B3336 ?C 753.3A0152-A3536 ?C 755.0B0310-A6036 ?C 7512.0Output
current1(A rms)10.07.05.0PrimaryLeakageinductance2inductancemin (mH)max (μH)1.303.501.302.501.302.50 DCR max (Ohms)
prisec0.7150.0160.7150.0180.7150.060 Pri/sec
isolation(Vrms)150015001500
1.15°C temperature rise typical at output current.
2.Inductance measured between pins 1 and 3 at 250 kHz, 0.1 Vrms, 0 Adc.3.Operating temperature range: ?C40°C to +85°C.4.Electrical specifications at 25°C.
1.320max33,5330.870max222,10140.105??0,26751.115 ±0.01028,32
±0,25RecommendedLand Pattern0.334 ±0.0108,48 ±0,250.334 ±0.0108,48 ±0,2560.340max8,640.004/0,10Tape and reel:250/13″
56 mm tape width Schematic
Specifications subject to change without notice.Document 305Revised 01/14/05
Document 301 -1 Output Choke Inductors For National Semiconductor LM5030 Controller IC
These low-profile inductors are designed specifically forthe National
Semiconductor LM5030 Push-Pull CurrentMode PWM Controllers. The 33 Watt design specifies ourA9785-B, the 35 Watt design uses the A0153-A and the60 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 auxiliarywinding controls the input current to the PWM.The National Semiconductor design also specifiesCoilcraft’s MSS6132-103 power inductor for the inputchoke. Refer to separate data sheets for additionalinformation on these Coilcraft parts. PartnumberA9785-BA0153-AB0414-APower(W)333560 Inductance1at 0 Adc±10% (μH) 7.07.013.8
Inductance1±10% (μH)6.71@ 12.0 Adc6.20@ 10.0 Adc13.80@ 5.0 Adc DCR max (Ohms)MainAuxwindingwinding0.00661.950.00661.320.00980.68 Isolation
(V)150015001500Isat2(A)15.014.58.0Irms3(A)12.512.59.5 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 40°C rise from 25°C ambient.4.Operating temperature range -40°C to +85°C.5.Electrical specifications at 25°C.
0.400max10,160.004/0,101.020max25,911.04026,42Schematic
0.910max23,110.148typ3,76RecommendedLand PatternTape and reel:200/13″ 44 mm tape width
0.053 × 0.034typ1,35 × 0,86Specifications subject to change without notice.
Please check our website for latest information.Document 301-1 Revised 01/28/05 Document 301 -2
Output Choke Inductors for LM5030 IC Typical L vs Frequency 100Typical L vs Current
100Inductance (μH)B0414-A10A9785-BA0153-AInductance (μH)B0414-A10A0153-AA9785-B10.11101110100Frequency (MHz)Current (A)Typical Temperature Rise vs Current
70Temperature rise (from 25°C)605040302024002468B0414-AA9785-BA0153-A10121416Current (A)
Specifications subject to change without notice.
Please check our website for latest information.Document 301-2 Revised 01/28/05 Document 310-1 Input Choke Inductor
For National SemiconductorLM5030 Controller IC
The MSS6132 power inductor is specified by NationalSemiconductor for its LM5030 controller IC. It acts as theinput choke for Coilcraft’s A9784-B planar transformer(see separate data sheet).
This magnetically shielded, low-profile power inductor isdesigned for
high-density mounting and is available ontape and reel for auto-insertion. Its
A9785-B中文资料
