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参数资料
| 型号： | COM137T |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | Three Terminal, Precision Adjustable Negative Voltage Regulator(三端精密可调负电压稳压器) |
| 中文描述： | 三端，精密可调负电压稳压器（三端精密可调负电压稳压器） |
| 文件页数： | 2/2页 |
| 文件大小： | 17K |
| 代理商： | COM137T |
205 Crawford Street, Leominster, MA 01453 USA (978) 534-5776 FAX (978) 537-4246
3.3
COM137T
Parameter
Symbol
Test Conditions
Min.
Max.
Unit
Reference Voltage
V
REF
V
DIFF
= 3.0V, T
A
= 25°C
-1.275
-1.225
V
DIFF
= 3.0V
-1.30
-1.20
V
V
DIFF
= 40V, T
A
= 25°C
-1.275
-1.225
V
DIFF
= 40V
-1.30
-1.20
Line Regulation
R
LINE
3.0 V V
DIFF
40V, T
A
= 25°C
-9
9
(Note 1)
3.0 V V
DIFF
40V
-23
23
m V
Load Regulation
R
LOAD
V
DIFF
= 5.0V, 8mA I
L
1.5A
-25
25
(Note 1)
V
DIFF
= 12V, 8mA I
L
1.5A, T
A
= 25°C
-25
25
m V
V
DIFF
= 40V, 8mA I
L
200mA, T
A
= 25°C
-25
25
V
DIFF
= 40V, 8mA I
L
100mA
-25
25
Thermal Regulation
V
RTH
V
i
= -14.6V, I
L
= 1.5A
-5
5
m V
P
d
= 20 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
3
Adj
(Line)
3.0V V
DIFF
40V
-5
5
μA
Current Change
3
Adj
(Load)
V
DIFF
= 5V, 8mA I
L
1.5A
-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
m A
V
DIFF
= 40V, V
out
= -1.4V (forced)
5.0
Current Limit
I
CL
V
DIFF
5V
1.5
3.5
(Note 2)
V
DIFF
= 40V, T
A
= 25°C
0.24
1.2
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.
MECHANICAL OUTLINE
TO-257AA
ELECTRICAL CHARACTERISTICS
-55°C T
A
125°C, I
L
= 8mA (unless otherwise specified)
.430
.410
.200
.190
.038 MAX.
.005
.120 TYP.
.537
.527
.665
.645
.420
.410
.150
.140
.750
.500
.100 TYP.
.035
.025
.045
.035
PIN CONNECTION
Isolated
Adjust
Input
Output
Isolated
Pin 1:
Pin 2:
Pin 3:
Tab:
1 2 3
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