參數(shù)資料
型號(hào): P0770
英文描述: POWER MAGNETICS CATALOG (68 pages) - (5/02)
中文描述: 功率磁性元件產(chǎn)品目錄(68頁(yè)) - (5 / 02)
文件頁(yè)數(shù): 45/68頁(yè)
文件大?。?/td> 2741K
代理商: P0770
43
PC500.B (5/02)
US 858 674 8100
UK 44 1483 401 700
France 33 3 84 35 04 04
Singapore 65 287 8998
Taiwan 886 2 2698 0228
Hong Kong 852 2788 6588
http://www.pulseeng.com
SMT CURRENT SENSE
TRANSFORMERS
For DC/DC Converter Applications
High Current Design - primary rated for 35 Amps
Designed for easy pick and place
Operating Frequency Range: 50 kHz to 500 kHz
Low Profile Design - .394" (10,00 mm) maximum height
Mechanical
Schematic
-
==
7!;
8
8
8
8
Electrical Specifications @ 25°C — Operating Temperature -40°C to 130°C
Pulse number
Turns ratio
Ls
1
(mH)
1.40
5.60
22.40
Rs
Terminating Resistor
2
1 V
P
OUT (
)
1.43
2.86
5.72
Hipot
(Vrms)
500
500
500
(
) MAX
0.70
1.40
2.90
(
) MAX
11.0
43.6
175.0
PB0025
PB0026
PB0027
NOTES:
1.
Inductance at 0.1 Vac, 10 kHz.
2.
Terminating resistor for 1 V out with 35 amps peak in the primary.
3.
The operating temperature range includes the ambient temperature plus the component temperature rise.
4.
The temperature rise of the component is calculated based on the total core and copper loss:
Copper loss (W) : Pcu=(Ipk/Ns)
2
*(Dmax/3)*Rs.
Core loss (W) : Pfe=1.5*10
-17
*f(Hz)1.63*B(Gauss)
2.45
Bmax(Gauss) = 8*10
8
*(Ipk*Rt/Ns+Vd)*Dmax/(k*Ns*f), where f is in Hz, k=1 for unipolar and 2 for bipolar waveform,
Ipk is the input current, Rs is the secondary turns. Keep Bmax below 2000 Gauss.
Temperature rise (°C): ~90*(Pcu+Pfe)
5.
Add suffix
"T"
to part number for tape and reel packaging (i.e. PB0025
T
).
50:1
100:1
200:1
Weight
. . . . . . . . . . . . . .4.7 grams
Tray
. . . . . . . . . . . . . . . . . .100/tray
Tape & Reel
. . . . . . . . . . . .300/reel
Coplanarity
. . . . . . . . .0.006 inches
Dimensions:
Inches
Unless otherwismm
0,25
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