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參數資料
| 型號： | 76253XXEN |
| 廠商： | C |
| 英文描述： | SSR H/S ZS CS AR 4-32VDC 50A 600V OTP PNP NO |
| 中文描述： | 中文批準轉換器變壓器 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 95K |
| 代理商： | 76253XXEN |
FEATURES
I
Maxim Compatible
I
BS EN 60950 Approved
I
Isolation to 6kV
I
Toroidal Construction
I
Industry Standard Pinout
I
UL 94V-0 Package Material
I
Fully Encapsulated
DESCRIPTION
The 76250EN converter transformer is
specifically designed for use with Maxim
chipsets to provide isolated RS232 interfaces.
A carefully controlled turns ratio ensures
consistent performance whilst a toroidal
construction minimises EMI.
The 76253/XXEN converter transformers
are specifically designed for use with the
MAX253 chipset to provide isolated power
supplies. The 5V version can supply 1W
and the 3.3V version can supply 500mW.
A centre tapped secondary winding allows
for full bridge, half bride or voltage doubling.
The devices are fully approved to BS EN
60950 for use in telecoms applications.
76250EN CHARACTERISTICS
Parameter
Primary Inductance, L
P
Conditions
10kHz, 100mV
MIN
1.0
TYP
2.0
MAX
2.5
Units
mH
Leakage Inductance, L
L
100kHz, 100mV
35
40
μH
Interwinding Capacitance, C
WW
100kHz, 100mV
5.0
10
pF
D.C. Resistance, R
DC
<0.1VDC
1.0
2.0
Volt-time Product, E
T
5kHz, 5V
50
Vμs
76253/35EN CHARACTERISTICS
Parameter
Primary Inductance, L
P
Conditions
100kHz, 250mV
MIN
53
TYP
92
MAX
120
Units
μH
Secondary Inductance, L
S
100kHz, 250mV
350
460
600
μH
Leakage Inductance, L
L
100kHz, 250mV
1.5
3.6
μH
Interwinding Capacitance, C
WW
100kHz, 250mV
1.80
3.00
pF
D.C. Resistance, R
DC
>0.1VDC
0.60
1.00
Volt-time Product, E
T
5kHz, 5V
20
35
Vμs
76253/55EN CHARACTERISTICS
Parameter
Primary Inductance, L
P
Conditions
100kHz, 250mV
MIN
120
TYP
205
MAX
250
Units
μH
Secondary Inductance, L
S
100kHz, 250mV
280
362
445
μH
Leakage Inductance, L
L
100kHz, 250mV
3.90
5.00
μH
Interwinding Capacitance, C
WW
100kHz, 250mV
1.20
3.00
pF
D.C. Resistance, R
DC
>0.1VDC
0.90
1.50
Volt-time Product, E
T
5kHz, 5V
20
23
Vμs
ABSOLUTE MAXIMUM RATINGS
Operating free air temperature range 76250EN
Operating free air temperature range 76253/XXEN
Storage temperature range
Lead Temperature 1.5mm from case for 10 seconds
Peak current I
PK
76250EN
Peak current I
PK
76253/XXEN
Isolation voltage (flash tested for 1 second)
All specifications typical at T
A
= 2 5 C
SELECTION GUIDE
Input
Voltage
(V)
–
Output
Voltage
(V)
–
Output
Current
(mA Max)
–
Isolation
Voltage
(VDC)
6000
Turns
Ratio
Order Code
76250EN
1CT:1
76253/35EN
3.3
5.0
100
6000
1:
√
5
76253/55EN
5.0
5.0
200
6000
1:1.33
0°C to 70°C
–40°C to 85°C
–50°C to 125°C
300°C
300mA
400mA
6000VDC
76250EN, 76253/XXEN
EN Approved Converter Transformers
www.dc-dc.com
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