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参数资料
| 型号： | LM137SMD05R4 |
| 厂商： | SEMELAB LTD |
| 元件分类： | 可调负电压单路输出标准稳压器 |
| 英文描述： | 1.25 V-40 V ADJUSTABLE NEGATIVE REGULATOR, CBCC3 |
| 封装： | CERAMIC, TO-276AA, 3 PIN |
| 文件页数： | 2/5页 |
| 文件大小： | 415K |
| 代理商： | LM137SMD05R4 |
NEGATIVE ADJUSTABLE
VOLTAGE REGULATOR
Semelab Limited
Coventry Road, Lutterworth, Leicestershire, LE17 4JB
Telephone +44 (0) 1455 556565
Fax +44 (0) 1455 552612
Email: sales@semelab-tt.com
Website: http://www.semelab-tt.com
Document Number 8377
Issue 1
Page 2 of 5
ELECTRICAL CHARACTERISTICS(1)(3) (TC = 25°C unless otherwise stated)
LM137, IP137, LM137HV, IP137HV
Symbols
Parameters
Test Conditions
Min.
Typ
Max.
Units
IOUT = 10mA
-1.225
-1.250
-1.275
VREF
Reference Voltage
10mA ≤ IOUT ≤ IMAX, P ≤ PMAX,
3V ≤ (VIN-VOUT) ≤ VMAX
-1.200 -1.250
-1.300
V
0.010
0.020
IN
OUT
V
Line Regulation (2)
3V ≤ (VIN-VOUT) ≤ VMAX,
IOUT = 10mA
0.020
0.050
%/V
VOUT ≤ 5V
15
25
mV
VOUT ≥ 5V
0.3
0.5
%
VOUT ≤ 5V
20
50
mV
OUT
I
OUT
V
Load Regulation (2)(3)
10mA ≤ IOUT ≤ IMAX
VOUT ≥ 5V
0.3
1.0
%
Thermal Regulation
VIN = -7.92V, IOUT = 1.5A,
PD = 10W, TA = 25°C, 10ms Pulse
0.002
0.02
%/W
VOUT = -10V
CADJ = 0
60
Ripple Rejection
f = 120Hz
CADJ = 10F
66
77
dB
IADJ
Adjust Pin Current
65
100
10mA ≤ IOUT ≤ IMAX
0.5
5
3V ≤ (VIN-VOUT) ≤ 40V
2
5
IADJ
Adjust Pin Current Change
3V ≤ (VIN-VOUT) ≤ 50V (HV Series)
(HV Series)
3
6
A
(VIN - VOUT) ≤ 40V
2.5
5
IMIN
Minimum Load Current
(VIN - VOUT) ≤ 10V
1.2
3
mA
(VIN - VOUT) ≤ 15V
1.5
2.2
3.2
(VIN - VOUT) = 40V
0.24
0.4
ICL
Current Limit
(VIN - VOUT) = 50V (HV Series)
(HV Series)
0.2
0.4
0.8
A
TEMP
OUT
V
Temperature Stability
0.6
TIME
OUT
V
Long Term Stability
TA = 125°C, 1000Hrs
0.3
1.0
en
RMS Output Noise
(% of VOUT)
TA = 25°C, 10Hz ≤ f ≤ 10KHz
0.003
%
Notes
The ● denotes the specifications which apply over the full operating temperature range.
(1)
Test conditions unless otherwise stated: VIN - VOUT = 5V, IOUT = 0.5A, PMAX = 10W, IMAX = 1.5A
(2)
Regulation is measured at constant junction temperature, using pulse testing at a low duty cycle. Changes in output voltage due to heating
effects are covered under thermal regulation specifications. Load regulation is measured at the junction of the wide and narrow portion of
the output lead.
(3)
VMAX = 40V for LM137, IP137, LM137A, IP137A
VMAX = 50V for LM137HV, IP137HV, LM137AHV, IP137AHV
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