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PA0491NL

Description
正向,推挽转换器 用于 用于 DC/DC 转换器 SMPS 变压器 1500Vrms 隔离 - 表面贴装型
CategoryMechanical and electronic products    switch   
File Size116KB,2 Pages
ManufacturerPulse Electronics
Environmental Compliance
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PA0491NL Overview

正向,推挽转换器 用于 用于 DC/DC 转换器 SMPS 变压器 1500Vrms 隔离 - 表面贴装型

PA0491NL Parametric

Parameter NameAttribute value
category
MakerPulse Electronics
seriesSpyglass
Packagetray
typeFor DC/DC converters
applicationForward, push-pull converter
计划所用芯片组LT1952
chipset manufacturerLinear Technology
Voltage - Primary36 ~ 72V
Voltage - Auxiliary-
Voltage - Isolation1500Vrms
Inductance at different frequencies-
frequency-
Operating temperature-40°C ~ 125°C
Installation typesurface mount type
size/dimensions0.790" long x 0.920" wide (20.07mm x 23.37mm)
Height - Installation (maximum)0.348"(8.85mm)
Encapsulation0.790" long x 0.920" wide (20.07mm x 23.37mm)
styleflat
HIGH FREQUENCY PLANAR
TRANSFORMERS
Spyglass Series (up to 140W)
Power Rating:
up to 140W
Height:
8.6mm MAX and 9.7mm MAX
Footprint:
23.4mm x 20.1mm MAX
Frequency Range:
200kHz to 700kHz
Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C
Primary
2
Primary
Leakage
Secondary
Inductance
Inductance*
Isolation
(µH MIN)
(µH MAX)
100W
1500 Vdc
PA0168
12:2
320
0.75
48v to 3.3v/30A
Basic
100W
1500 Vdc
PA0369
6:1
65
0.25
48v to 3.3v/30A
Basic
140W
8:4
1500 Vdc
PA0423
140
0.30
48v to 12v/11.7A
(w/4T Pri. Aux.)
Basic
50W
10:2
1500 Vdc
PA0463
200
1.00
48v to 3.3v/15A
(w/9T Pri. Aux.)
Basic
100W
1500 Vdc
PA0491
8:2
140
0.25
48v to 5.0v/20A
Basic
100W
8:2
1500 Vdc
PA0634
140
0.38
48v to 5v/20A
(w/5T Pri. Aux.)
Basic
125W
12:3
1500 Vdc
PA0693
346
0.55
48v to 5v/25A
(w/4T Pri. Aux.)
Basic
*Leakage
inductance is measured at primary terminals with all other windings shorted.
Part
4,5
Number
Power
1
Rating
Turns Ratio
(Pri:Sec)
DCR
(mΩ MAX)
Primary
Primary
Secondary
Aux.
45
15
35
40
35
35
50
N/A
N/A
500
4885
N/A
460
300
1.30
0.40
7.00
2.50
1.30
1.30
3.50
Maximum
Height
(mm)
8.6
8.6
8.6
8.6
8.6
8.6
9.7
Mechanicals
.047
5XØ 1,19 SHAFT
.080
5XØ 2,03 FOOT
.790 MAX
20,07
11
7
SUGGESTED PAD LAYOUT
H*
11
.500
12,70
.250
6,35
.110
5XØ 2,79
7
.390
9,91
Weight
..................11.0 grams
Tape & Reel...............180/reel
Tray
.............................40/tray
.920
23,37
MAX
Date Code
Country of Origin
PA0XXX
.800
20,32
Dimensions:
Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
1
Schematics
2
12T
(PRI)
5
PA0168
10
2T
(SEC)
8
6
.032
6XØ 0,81 SHAFT
.050
6XØ 1,27 FOOT
1
.005/0,13
*H - Maximum Height
(see table above)
2
10T
(PRI)
5
1
9T
(AUX)
6
PA0463
10
2T
(SEC)
8
PA0369
9
2
6T
(PRI)
1T
(SEC)
8
4
PA0491
10
2
8T
(PRI)
2T
(SEC)
8
5
PA0693
2
11
6T
(PRI)
1T
(SEC)
4
10
3
6T
(PRI)
1T
(SEC)
5
9
1
1T
(SEC)
4T
(AUX)
8
6
PA0423
2
8T
(PRI)
11
5
4T
(SEC)
1
7
4T
(AUX)
6
PA0634
2
8T
(PRI)
10
5
2T
(SEC)
1
8
5T
(AUX)
6
.180
4,57
.400
10,16
.620
15,75
6
.080
6XØ 2,03
NOTE:
The above is a universal footprint for a component
that has all 11 pins populated. For a given part number it
is only necessary to provide pads for the terminations
shown in the schematic below.
.378
9,60
.339
8,60
.079
2,00
.157
4,00
.069
1,75
.790
20,07
.560
14,20
1.260
± .012
32,00
± 0,30
1.260
32,00
USER DIRECTION
OF FEED
.050
1,27
.920
23,37
TAPE & REEL LAYOUT
USA 858 674 8100
UK 44 1483 401 700
France 33 3 84 35 04 04
Singapore 65 6287 8998
Shanghai
86 21 54643211 / 2
China 86 769 85538070
Taiwan 886 3 4641811
www.pulseeng.com
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