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参数资料
| 型号： | OM1325NTM |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1.5 A，-1.2 To -37V,Three Terminal, Precision Adjustable Negative Voltage Regulator(1.5 A，-1.2V至-37V，三端精密型可调负电压稳压器) |
| 中文描述： | 1.5甲，-1.2对片山，三端，精密可调负电压稳压器（1.5甲，- 1.2伏至，片山，三端精密型可调负电压稳压器） |
| 文件页数： | 3/4页 |
| 文件大小： | 39K |
| 代理商： | OM1325NTM |
3.3 - 23
3.3
Parameter
Symbol
Test Conditions
Min.
Max.
Unit
Reference Voltage
V
REF
V
DIFF
= 3.0V, T
A
= 25°C
-1.262
-1.238
V
DIFF
= 3.0V
-1.280
-1.220
V
V
DIFF
= 40V
-1.280
-1.220
Line Regulation
R
LINE
3.0 V V
DIFF
40V, T
A
= 25°C
-4.5
4.5
(Note 1)
3.0V V
DIFF
V
DIFF
=
5V, 8mA I
L
200 mA
V
DIFF
=
15V, 8mA I
L
200m, AT
A
= 25°C
40V
-13.8
13.8
mV
Load Regulation
R
LOAD
-25
25
(Note 1)
-25
25
mV
V
DIFF
40V, 8mA I
L
150 mA, AT
A
= 25°C
V
DIFF
=
40V, 8mA I
L
50 mA
-25
25
-50
50
Thermal Regulation
V
RTH
V
in
= -16.25V, I
L
=330 mA
-5
5
mV
P
d
=5 Watts, t = 10 ms, T
A
= 25°C
Ripple Rejection
R
N
f = 120 Hz, V
out
= V
ref
66
dB
(Note 2)
C
Adj
= 10 μF
Adjustment Pin Current
I
Adj
V
DIFF
= 3.0V
100
V
DIFF
= 40V
100
μA
Adjustment Pin
3I
Adj
Current Change
(line)
3V V
DIFF
40V
-5
5
μA
3I
Adj
(load)
V
DIFF
= 5V, 8mA I
L
500 mA
-5
5
μA
Miminum Load Current
I
Lmin
V
DIFF
= 3.0V, V
out
= -1.4V (forced)
3.0
V
DIFF
= 10V, V
out
= -1.4V (forced)
3.0
mA
V
DIFF
= 40V, V
out
= -1.4V (forced)
5.0
Current Limit
I
CL
V
DIFF
5V
0.5
1.8
(Note 2)
V
DIFF
= 40V, T
A
= 25°C
0.15
0.65
A
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. If not tested, shall be guaranteed to the specified limits.
3. The
denotes the specifications which apply over the full operating temperature range.
OM1325NTM, OM1325STM, OM1325NKM, OM1325SMM, OM1325NMM, OM1325N2M
* C
in
is required if regulator is located more
than 4 inches from power supply filter. A 1 μF
solid tantalum or 10 μF aluminum electrolytic is
recommended.
** C
o
is necessary for stability. A 1 μF solid
tantalum or 10 μF aluminum electrolytic is
recommended.
V
out
= -1.25 V (1 +R
2
)
R
1
OM1325STM
1.0μF
1.0μF
-V
IN
-V
OUT
V
OUT
V
IN
I
Adj
I
PROG
C
IN
*
C
O
**
R
2
R
1
120
+
+
TYPICAL APPLICATION
ELECTRICAL CHARACTERISTICS
-55°C T
A
125°C, I
L
= 8mA (unless otherwise specified)
OM1325N2M
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| OM1325SMM | 1.5 A，-1.2 To -37V,Three Terminal, Precision Adjustable Negative Voltage Regulator(1.5 A，-1.2V至-37V，三端精密型可调负电压稳压器) |
| OM1325STM | 1.5 A，-1.2 To -37V,Three Terminal, Precision Adjustable Negative Voltage Regulator(1.5 A，-1.2V至-37V，三端精密型可调负电压稳压器) |
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