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參數(shù)資料
| 型號(hào)： | 7812H |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | ISOLATED HERMETIC TO-257AA FIXED VOLTAGE REGULATORS |
| 中文描述： | 隔震朗格到257AA固定電壓調(diào)節(jié)器 |
| 文件頁(yè)數(shù)： | 3/4頁(yè) |
| 文件大?。?/td> | 39K |
| 代理商： | 7812H |
3.3 - 219
3.3
OM7800IH Series
ELECTRICAL CHARACTERISTICS 15 Volt
V
IN
= 23V, I
o
= 500mA, -55°C T
A
125°C (unless otherwise specified)
Parameter
Symbol
Test Conditions
Min.
Max.
Unit
Output Voltage
V
OUT
T
A
= 25°C
V
IN
= 18.5V to 30V
V
IN
= 17.5V to 30V
14.8
15.2
V
14.6
15.4
V
Line Regulation
V
RLINE
20
mV
(Note 1)
50
mV
V
IN
= 20V to 26V
15
mV
25
mV
Load Regulation
V
RLOAD
I
O
= 5mA to 1.5 Amp
I
O
= 5mA to 1.0 Amp
I
O
= 250mA to 750 mA
35
mV
(Note 1)
75
mV
21
mV
45
mV
Standby Current Drain
I
SCD
6.0
mA
6.5
mA
Standby Current Drain
D
I
SCD
(Line)
V
IN
= 18.5V to 30V
0.8
mA
Change With Line
Standby Current Drain
D
I
SCD
(Load)
I
O
= 5mA to 1000mA
0.5
mA
Change With Load
Dropout Voltage
V
DO
I
O (pk)
I
DS
T
A
= 25°C,
D
V
OUT
= 100mV, I
O
=
1.0A
T
A
= 25°C
V
IN
= 35V
2.5
V
Peak Output Current
1.5
3.3
A
Short Circuit Current
1.2
A
(Note 2)
2.8
A
Ripple Rejection
D
V
IN
D
V
OUT
N
O
f =120 Hz,
D
V
IN
= 10V
(Note 3)
54
dB
52
dB
Output Noise Voltage
T
A
= 25°C, f =10 Hz to 100KHz
40
μV/V
(Note 3)
RMS
Long Term Stability
D
V
OUT
D
t
T
A
= 25°C, t = 1000 hrs.
150
mV
(Note 3)
Notes:
1. Load and Line Regulation are specified at a constant junction temperature. Pulse testing with low duty cycle is used.
Changes in output voltage due to heating effects must be taken into account separately.
2. Short Circuit protection is only assured up to V
IN
= 35V.
3. If not tested, shall be guaranteed to the specified limits.
The denotes the specifications which apply over the full operating temperature range.
3.5
3
2.5
2
1.5
1
0.5
0
0
5
10
15
20
25
30
35
PEAK OUTPUT
D
V
OUT
= 100mV
T
j
= -55°C
T
j
= 25°C
T
j
= 150°C
Input To Output Differential (V)
2.5
2
1.5
1
0.5
0
-75-50 -25
0
25
50 75 100 125 150
DROPOUT VOLTAGE
D
V
OUT
= 100MV
I
OUT
= 0A
I
OUT
= 500mA
I
OUT
= 1A
Junction Temperature (°C)
100
80
60
40
20
10
100
1k
10k
100k
RIPPLE REJECTION
V
OUT
= 5V
V
IN
- V = 8V
DC
+ 3.5 V
rms
I
OUT
= 1A
T
j
= 25°C
Frequency (Hz)
TYPICAL PERFORMANCE CHARACTERISTICS
O
I
R
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