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參數(shù)資料
| 型號： | LM337MT |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | MEDIUM CURRENT THREE-TERMINAL ADJUSTABLE NEGATIVE VOLTAGE REGULATOR |
| 中文描述： | 1.2 V-37 V ADJUSTABLE NEGATIVE REGULATOR, PSFM3 |
| 封裝： | PLASTIC, POWER PACK-3 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 158K |
| 代理商： | LM337MT |
LM337M
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Input–Output Voltage Differential
VI–VO
PD
TJ
Tstg
40
Vdc
Power Dissipation
Internally Limited
W
Operating Junction Temperature Range
0 to +125
°
C
Storage Temperature Range
–65 to +150
°
C
ELECTRICAL CHARACTERISTICS
(|VI – VO| = 5.0 V, IO = 0.1; TJ = Tlow to Thigh [Note 1], Pmax per Note 2, unless otherwise noted.)
Characteristics
Figure
Symbol
Min
Typ
Max
Unit
Line Regulation (Note 3)
TA = 25
°
C, 3.0 V
≤
|VI–VO|
≤
40 V
1
Regline
–
0.01
0.04
%/V
Load Regulation (Note 3)
TA = 25
°
C, 10 mA
≤
IO
≤
0.5 A
|VO|
≤
5.0V
|VO|
≥
5.0V
2
Regload
–
–
15
0.3
15
1.0
mV
%/VO
Thermal Regulation
10 ms Pulse, TA = 25
°
C
–
Regtherm
–
0.03
0.04
% VO/W
Adjustment Pin Current
3
IAdj
IAdj
–
65
100
μ
A
Adjustment Pin Current Change
2.5 V
≤
|VI–VO|
≤
40 V, 10 mA
≤
IL
≤
0.5 A,
PD
≤
Pmax, TA = 25
°
C
1, 2
–
2.0
5.0
μ
A
Reference Voltage
3.0 V
≤
|VI–VO|
≤
40 V, 10 mA
≤
IO
≤
0.5 A,
PD
≤
Pmax, TA = 25
°
C
Tlow to Thigh
3
Vref
–1.213
–1.20
–1.250
–1.25
–1.287
–1.30
V
Line Regulation (Note 3)
3.0 V
≤
|VI–VO|
≤
40 V
1
Regline
–
0.02
0.07
%/V
Load Regulation (Note 3)
10 mA
≤
IO
≤
0.5 A
|VO|
≤
5.0 V
|VO|
≥
5.0 V
Temperature Stability (Tlow
≤
TJ
≤
Thigh)
Minimum Load Current to Maintain Regulation
(|VI–VO|
≤
10 V)
(|VI–VO|
≤
40 V)
2
Regload
–
–
20
0.3
70
1.5
mV
%/VO
3
TS
ILmin
–
0.6
–
%/VO
mA
3
–
–
1.5
2.5
6.0
10
Maximum Output Current
|VI–VO|
≤
15 V, PD
≤
Pmax
|VI–VO|
≤
40 V, PD
≤
Pmax, TJ = 25
°
C
3
Imax
0.5
0.1
0.9
0.25
–
–
A
RMS Noise, % of VO
TA = 25
°
C, 10 Hz
≤
f
≤
10 kHz
–
N
–
0.003
–
%/VO
Ripple Rejection, VO = –10 V, f = 120 Hz (Note 4)
Without CAdj
CAdj = 10
μ
F
4
RR
–
66
60
77
–
–
dB
Long Term Stability, TJ = Thigh (Note 5)
TA = 25
°
C for Endpoint Measurements
3
S
–
0.3
1.0
%/1.0 k
Hrs
Thermal Resistance, Junction–to–Case
–
R
Θ
JC
–
7.0
–
°
C/W
NOTES:
1.Tlow to Thigh = 0
°
to +125
°
C
2.Pmax = 7.5 W
3 Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately.
Pulse testing with low duty cycle is used.
4.CAdj, when used, is connected between the adjustment pin and ground.
5.Since Long Term Stability cannot be measured on each device before shipment, this specification is an engineering estimate of average stability
from lot to lot.
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