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參數(shù)資料
| 型號(hào)： | GA3430-BLD |
| 廠商： | COILCRAFT INC |
| 元件分類： | 開關(guān)電源變壓器 |
| 英文描述： | SMPS TRANSFORMER |
| 封裝： | ROHS COMPLIANT |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大?。?/td> | 172K |
| 代理商： | GA3430-BLD |
Coilcraft, Inc. 2010
Specifications subject to change without notice.
Please check our website for latest information.
Flyback Transformers
Document 733
Document 733
Revised 04/13/09
For Linear Technology LT3573
Isolated Flyback Converter
Inductance
at 0 A
2
±10% (μH)
24.0
25.0
25.0
Inductance
at
I
pk
3
min (μH)
21.6
22.5
22.5
Leakage
inductance
max (μH)
5
0.566
0.685
0.945
Input
voltage
(V)
20 – 28
10 – 14
10 – 14
Part
number
1
GA3429-BL_
GA3430-BL_
GA3431-BL_
DCR max (mOhms)
4
pri
sec
95
7.5
90
15
90
5.0
Turns ratio
6
pri : sec : bias
4
:
1
:
1
5
:
1
:
1
7
:
1
:
1
I
pk
3
(A)
2.1
2.1
2.1
bias
123
95
70
Output
7
3.3 V, 1.5 A
5.0 V, 1.0 A
3.3 V, 1.5 A
1. When ordering, please specify
packaging
code:
GA3431-BL
D
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.
2. Inductance is for the primary, measured at 250 kHz, 0.3 Vrms, 0 Adc.
3.
I
pk is peak primary current drawn at minimum input voltage.
4. DCR for the secondary is per winding.
5. Leakage inductance measured between pins 3 and 4 with all secondary
pins shorted.
6. Turns ratio is with the secondary windings connected in parallel.
7. Output is with the secondary windings connected in parallel. Bias winding
output: 3.3 V, 20 mA (GA3429 and GA3431); 5.0 V, 20 mA (GA3430).
8. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
0.080
2,03
1
0.450
11,43
0.50
12,7
0.041
1,05
0.413
10,50
0.600
0.460
11,68
0.024
0,60
0.050
1,27
0.098
2,50
0.098
2,50
max
max
8
1
5
4
Recommended
Land Pattern
Dot above pin1
0.004/0,10
Core material
Ferrite
Terminations
RoHS tin-silver over tin over nickel over phos
bronze. Other terminations available at additional cost.
Weight
3.9 to 4.1 g
Ambient temperature
–40°C to +85°C
Storage temperature
Component: –40°C to +85°C.
Packaging: –40°C to +80°C
Resistance to soldering heat
Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL)
1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging
250 per 13
″
reel Plastic tape: 32 mm wide,
0.5 mm thick, 20 mm pocket spacing, 11.2 mm pocket depth
PCB washing
Only pure water or alcohol recommended
Designed for the LT3573 Isolated Flyback Converter
1500 Vrms isolation from primary and bias to secondary;
500 Vrms isolation from primary to bias, tested for one minute
The bias winding provides power to the chipset
6
5
8
7
Pri
Bias
Sec
4
2
1
3
Secondary windings to be
connected in parallel on PC board
Dimensions are inimm
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GA3431-BL | 制造商:Coilcraft Inc 功能描述:Transformer, SMT, RoHS |
| GA3431-BLB | 制造商:Coilcraft Inc 功能描述:Transformer, SMT, RoHS |
| GA3431-BLD | 制造商:Coilcraft Inc 功能描述:Transformer, SMT, RoHS |
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| GA343DR7GD472KW01L | 功能描述:多層陶瓷電容器MLCC - SMD/SMT 1812 4700pF 250Vac X7R 10% RoHS:否 制造商:American Technical Ceramics (ATC) 電容:10 pF 容差:1 % 電壓額定值:250 V 溫度系數(shù)/代碼:C0G (NP0) 外殼代碼 - in:0505 外殼代碼 - mm:1414 工作溫度范圍:- 55 C to + 125 C 產(chǎn)品:Low ESR MLCCs 封裝:Reel |
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