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參數(shù)資料
| 型號： | OM1912STM |
| 英文描述： | Three Terminal, Fixed Voltage, 1.5Amp Precision Negative Regulators(1.5 A，-12V，三端精密型固定負電壓穩(wěn)壓器) |
| 中文描述： | 三端，固定電壓，1.5Amp精密負穩(wěn)壓器（1.5甲，- 12V的，三端精密型固定負電壓穩(wěn)壓器） |
| 文件頁數(shù)： | 4/4頁 |
| 文件大小： | 29K |
| 代理商： | OM1912STM |
3.3
205 Crawford Street, Leominster, MA 01453 USA (508) 534-5776 FAX (508) 537-4246
OM1905STM/NTM - OM1915STM/NTM
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
-14.85
-15.15
V
V
IN
= -17.5V to -30V
I
O
= 5mA to 1.0 A, P < 15 W
V
IN
= -17.5V to -30V
-14.55
-15.45
V
Line Regulation
V
RLINE
25
mV
(Note 1)
50
mV
(Note 4)
V
IN
= -20V to -26V
15
mV
25
mV
Load Regulation
V
RLOAD
I
O
= 5mA to 1.5 Amp
35
mV
(Note 1)
75
mV
I
O
= 250mA to 750 mA
21
mV
45
mV
Standby Current Drain
I
SCD
6.0
mA
6.5
mA
Standby Current Drain
D
I
SCD
(Line)
V
IN
= -17.5V to -30V
0.8
mA
Change With Line
Standby Current Drain
D
I
SCD
(Load)
I
O
= 5mA to 1000 mA
0.5
mA
Change With Load
Dropout Voltage
V
DO
I
O (pk)
I
DS
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)
53
dB
50
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
0
10
100
1k
10k
100k
RIPPLE REJECTION
V
OUT
= 5V
V
IN
- V = 8V
DC
+3.5V
rms
I
OUT
= 1A
T
j
= 25°C
Frequency (Hz)
TYPICAL PERFORMANCE CHARACTERISTICS
O
O
R
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