Datasheet

LT137A/LM137
LT337A/LM337
6
137afb
TEMPERATURE (°C)
–75 75–25
ADJUSTMENT CURRENT (μA)
80
75
70
65
60
55
50
137A G12
–50 25 500 150100 125
OUTPUT CURRENT (A)
*THE LT137A/LT337A HAS LOAD REGULATION
COMPENSATION WHICH MAKES THE TYPICAL
UNIT READ CLOSE TO ZERO. THIS BAND
REPRESENTS THE TYPICAL PRODUCTION
SPREAD.
0
OUTPUT VOLTAGE DEVIATION (%)
1.6
137A G10
0.4 0.8 1.2 2.0
0.4
0.2
0
–0.2
–0.4
INPUT-OUTPUT DIFFERENTIAL (V)
0
OUTPUT CURRENT (A)
3
2
1
0
137A G11
40302010
H
PACKAGE
M, T AND K
PACKAGES
T
j
= –55°C
T
j
= 25°C
T
j
= 150°C
TIME (μs)
10
OUTPUT VOLTAGE
DEVIATION (V)
INPUT VOLTAGE
CHANGE (V)
0.8
0.6
0.4
0.2
–0.4
–0.5
–0.2
0
0
–1.0
137A G08
03020 40
C
ADJ
= 10μF
V
OUT
= –10V
I
L
= 50mA
C
L
= 1μF
T
j
= 25°C
C
ADJ
= 0
FREQUENCY (Hz)
10 100
OUTPUT IMPEDANCE (Ω)
10
1
10
0
10
–1
10
–2
10
–3
137A G07
1k 10k 100k 1M
C
ADJ
= 10μF
V
IN
= –15V
V
OUT
= –10V
I
L
= 500mA
C
L
= 1μF
T
j
= 25°C
C
ADJ
= 0
TYPICAL PERFORMANCE CHARACTERISTICS
Output Impedance Line Transient Response Load Transient Response
Load Regulation* Current Limit Adjustment Current
TIME (μs)
10
OUTPUT VOLTAGE
DEVIATION (V)LOAD CURRENT (A)
0.6
0.4
0.2
–0.6
–0.4
–0.5
–0.2
0
0
–1.5
–1.0
137A G09
03020 40
C
ADJ
= 0
V
IN
= –15V
V
OUT
= –10V
I
NL
= 50mA
C
L
= 1μF
T
j
= 25°C
C
ADJ
= 10μF