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參數資料
| 型號： | PWS750 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Isolated, Unregulated DC/DC Converters Components(隔離的未調整的 DC/DC變換器) |
| 中文描述： | 隔離，穩(wěn)壓DC / DC轉換器組件（隔離的未調整的直流/直流變換器） |
| 文件頁數： | 9/11頁 |
| 文件大?。?/td> | 181K |
| 代理商： | PWS750 |
PWS750
9
V ±10V
15
1
2
16
Power for
input signal
conditioning
circuitry
0.3μF
0.3μF
4
1
6
8
109
V
OUT
±10V
0.3μF
Power for
output
circuitry
0.3μF
1
4
ISO122P
7
D
PWS750-3U
S
5
6
7
4
D
S
3
2
TNO604
10μH
PWS750-1U
+V
IN
V
D
7
3
11
Input
Gnd
14
16
T
0.3μF
0.3μF
D
PWS750-3U
S
5
6
7
4
D
S
3
2
PWS750-4U
3
6
3
5V
TNO604
TN0604
TN0604
PWS750-4U
1
T
180mA
3 Turns
PWS750-1U
7
3
11
14
1
TNO604
D
S
G
47pF
Gnd
0.3μF
+5V
1μF
16
19
15
14
PWS726
4
1
30
32
–V
O
+V
O
V
D
TTL In
–
T
H7F
TO7-14-3.5
The minimum AC barrier voltage that initiates partial dis-
charge above 5pC is defined as the “inception voltage.”
Decreasing the barrier voltage to a lower level is required
before partial discharge ceases; this is known as “extinction
voltage.” We have developed a package insulation system to
yield an inception voltage greater than 1200Vrms so that
transient voltages below this level will not damage the
isolation barrier. The extinction voltage is above 750Vrms
so that even overvoltage-induced partial discharge will cease
once the barrier voltage is reduced to the rated value.
Previous high voltage test methods relied on applying a
large enough overvoltage (above rating) to break down
marginal units, but not so high as to permanently damage
good ones. Our partial discharge testing gives us more
confidence in barrier reliability than breakdown/no break-
down criteria.
FIGURE 5. A PWS750 Driver Can Be Used to Boost the Input Voltage to 15V to Power a PWS726 From a 5V Supply.
FIGURE 4. A Complete
±
10V Signal Acquisition System Operating From a Single 5V Supply.
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