LT137A/LM137
LT337A/LM337
ORDER INFORMATION
LEAD BASED FINISH
LM337T
TAPE AND REEL
LM337T#TR
PART MARKING
LM337T
PACKAGE DESCRIPTION
3-Lead Plastic TO-220
TEMPERATURE RANGE
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:
For more information on tape and reel specifications, go to:
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Notes 2, 3)
LT137A
SYMBOL PARAMETER
V
REF
Reference Voltage
CONDITIONS
MIN
l
–1.220
ELECTRICAL CHARACTERISTICS
LM137
MAX
MIN
TYP
MAX
UNITS
V
V
TYP
|
V
IN
– V
OUT
|
= 5V, I
OUT
= 10mA, T
j
= 25°C
3V ≤
|
V
IN
– V
OUT
|
≤ 40V
10mA ≤ I
OUT
≤ I
MAX
, P ≤ P
MAX
10mA ≤ I
OUT
≤ I
MAX
, (Note 4)
T
j
= 25°C,
|
V
OUT
|
≤ 5V
T
j
= 25°C,
|
V
OUT
|
≥ 5V
–1.238 –1.250 –1.262 –1.225 –1.250 –1.275
–1.250 –1.280 –1.200 –1.250 –1.300
ΔV
OUT
ΔI
OUT
Load Regulation
5
0.1
l
l
25
0.5
50
1
0.01
0.03
15
0.3
20
0.3
0.01
0.02
60
77
0.002
65
0.5
2
2.5
1.2
1.5
0.5
0.24
0.15
2.2
0.8
0.4
0.25
0.6
0.3
0.003
25
0.5
50
1
0.02
0.05
mV
%
mV
%
%/V
%/V
dB
dB
ΔV
OUT
ΔV
IN
Line Regulation
|
V
OUT
|
≤ 5V
|
V
OUT
|
≥ 5V
3V ≤
|
V
IN
– V
OUT
|
≤ 40V (Note 4)
T
j
= 25°C
V
OUT
= –10V, f = 120Hz
C
ADJ
= 0
C
ADJ
= 10μF
T
j
= 25°C, 10ms Pulse
10
0.2
0.005
0.01
60
70
66
80
0.002
l
Ripple Rejection
l
l
66
0.02
100
2
5
5
3
Thermal Regulation
I
ADJ
ΔI
ADJ
Adjust Pin Current
Adjust Pin Current Change
Minimum Load Current
I
SC
Current Limit
0.02
100
5
5
5
3
%/W
μA
μA
μA
mA
mA
A
A
A
A
%
65
0.2
1
2.5
1.2
1.5
0.5
0.24
0.15
2.2
0.8
0.4
0.25
0.6
0.3
0.003
12
2.3
10mA ≤ I
OUT
≤ I
MAX
3V ≤
|
V
IN
– V
OUT
|
≤ 40V
l
l
l
l
l
l
|
V
IN
– V
OUT
|
≤ 40V
|
V
IN
– V
OUT
|
≤ 10V
|
V
IN
– V
OUT
|
≤ 15V,
K and T Package (Note 7)
H Package
|
V
IN
– V
OUT
|
= 40V,
K and T Package
T
j
= 25°C
H Package
ΔV
OUT
ΔTemp
ΔV
OUT
ΔTime
e
n
θ
JC
Temperature Stability of
Output Voltage (Note 6)
Long Term Stability
RMS Output Noise
(% of V
OUT
)
Thermal Resistance Junction
to Case
T
MIN
≤ T ≤ T
MAX
T
A
= 125°C, 1000 Hours
T
A
= 25°C, 10Hz ≤ f ≤ 10kHz
H Package
K Package
l
1.5
1
1
%
%
15
3
12
2.3
15
3
°C/W
°C/W
137afb
3
LINER [ LINEAR TECHNOLOGY ]
