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參數(shù)資料
| 型號(hào)： | LM137SMD05R4 |
| 廠商： | SEMELAB LTD |
| 元件分類： | 可調(diào)負(fù)電壓?jiǎn)温份敵鰳?biāo)準(zhǔn)穩(wěn)壓器 |
| 英文描述： | 1.25 V-40 V ADJUSTABLE NEGATIVE REGULATOR, CBCC3 |
| 封裝： | CERAMIC, TO-276AA, 3 PIN |
| 文件頁(yè)數(shù)： | 3/5頁(yè) |
| 文件大?。?/td> | 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 3 of 5
ELECTRICAL CHARACTERISTICS(1)(3) (TC = 25°C unless otherwise stated)
LM137A, IP137A, LM137AHV, IP137AHV
Symbols
Parameters
Test Conditions
Min.
Typ
Max.
Units
IOUT = 10mA
-1.238
-1.250
-1.262
VREF
Reference Voltage
10mA ≤ IOUT ≤ IMAX, P ≤ PMAX,
3V ≤ (VIN-VOUT) ≤ VMAX
● -1.220 -1.250 -1.280
V
0.005
0.010
IN
OUT
V
Line Regulation (2)
3V ≤ (VIN-VOUT) ≤ VMAX,
IOUT = 10mA
●
0.010
0.030
%/V
VOUT ≤ 5V
5
25
mV
VOUT ≥ 5V
0.1
0.5
%
VOUT ≤ 5V ●
10
50
mV
OUT
I
OUT
V
Load Regulation (2)(3)
10mA ≤ IOUT ≤ IMAX
VOUT ≥ 5V ●
0.2
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
66
Ripple Rejection
f = 120Hz
CADJ = 10F ●
70
80
dB
IADJ
Adjust Pin Current
●
65
100
10mA ≤ IOUT ≤ IMAX
●
0.2
2
3V ≤ (VIN-VOUT) ≤ 40V
●
1.0
5
IADJ
Adjust Pin Current Change
3V ≤ (VIN-VOUT) ≤ 50V (HV Series)
(HV Series)
●
2
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
1.0
ICL
Current Limit
(VIN - VOUT) = 50V (HV Series)
(HV Series)
●
0.2
0.4
0.8
A
TEMP
OUT
V
Temperature Stability
●
0.6
1.5
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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