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LT337AM 数据表(PDF) 3 Page - Linear Technology

部件名 LT337AM
功能描述  Negative Adjustable Regulator
PDF  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT337AM 数据表(HTML) 3 Page - Linear Technology

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3
137afb
LT137A/LM137
LT337A/LM337
ORDER INFORMATION
The
l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Notes 2, 3)
SYMBOL PARAMETER
CONDITIONS
LT137A
LM137
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
VREF
Reference Voltage
|VIN – VOUT| = 5V, IOUT = 10mA, Tj = 25°C
–1.238
–1.250
–1.262
–1.225
–1.250
–1.275
V
3V ≤
|VIN – VOUT| ≤ 40V
10mA ≤ IOUT ≤ IMAX, P ≤ PMAX
l –1.220 –1.250 –1.280 –1.200 –1.250 –1.300
V
ΔVOUT
ΔIOUT
Load Regulation
10mA ≤ IOUT ≤ IMAX, (Note 4)
Tj = 25°C, |VOUT| ≤ 5V
Tj = 25°C, |VOUT| ≥ 5V
|VOUT| ≤ 5V
|VOUT| ≥ 5V
l
l
5
0.1
10
0.2
25
0.5
50
1
15
0.3
20
0.3
25
0.5
50
1
mV
%
mV
%
ΔVOUT
ΔVIN
Line Regulation
3V ≤
|VIN – VOUT| ≤ 40V (Note 4)
Tj = 25°C
l
0.005
0.01
0.01
0.03
0.01
0.02
0.02
0.05
%/V
%/V
Ripple Rejection
VOUT = –10V, f = 120Hz
CADJ = 0
CADJ = 10μF
l
60
70
66
80
66
60
77
dB
dB
Thermal Regulation
Tj = 25°C, 10ms Pulse
0.002
0.02
0.002
0.02
%/W
IADJ
Adjust Pin Current
l
65
100
65
100
μA
ΔIADJ
Adjust Pin Current Change
10mA ≤ IOUT ≤ IMAX
3V ≤
|VIN – VOUT| ≤ 40V
l
l
0.2
1
2
5
0.5
2
5
5
μA
μA
Minimum Load Current
|VIN – VOUT| ≤ 40V
|VIN – VOUT| ≤ 10V
l
l
2.5
1.2
5
3
2.5
1.2
5
3
mA
mA
ISC
Current Limit
|VIN – VOUT| ≤ 15V,
K and T Package (Note 7)
H Package
|VIN – VOUT| = 40V,
K and T Package
Tj = 25°C
H Package
l
l
1.5
0.5
0.24
0.15
2.2
0.8
0.4
0.25
1.5
0.5
0.24
0.15
2.2
0.8
0.4
0.25
A
A
A
A
ΔVOUT
ΔTemp
Temperature Stability of
Output Voltage (Note 6)
TMIN ≤ T ≤ TMAX
l
0.6
1.5
0.6
%
ΔVOUT
ΔTime
Long Term Stability
TA = 125°C, 1000 Hours
0.3
1
0.3
1
%
en
RMS Output Noise
(% of VOUT)
TA = 25°C, 10Hz ≤ f ≤ 10kHz
0.003
0.003
%
θJC
Thermal Resistance Junction
to Case
H Package
K Package
12
2.3
15
3
12
2.3
15
3
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
LEAD BASED FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LM337T
LM337T#TR
LM337T
3-Lead Plastic TO-220
0°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/



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