LT337A_15 Datasheet, PDF (5/12 Pages) Linear Technology – Negative Adjustable Regulator

TYPICAL PERFORMANCE CHARACTERISTICS
LT137A/LM137
LT337A/LM337
Dropout Voltage
3.0
Temperature Stability
1.270
2.6
1.260
T_j = –55°C
2.2
T_j = 25°C
1.250
1.8
T_j = 150°C
1.240
1.4
1.0
0
0.4 0.8 1.2 1.6 2.0
OUTPUT CURRENT (A)
137A G01
1.230
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
137A G02
Minimum Load Current
1.8
1.6
T_j = –55°C
1.4
1.2
1.0
T_j = 25°C
0.8
0.6
T_j = 150°C
0.4
0.2
0
0
10
20
30
40
INPUT-OUTPUT DIFFERENTIAL (V)
137A G03
Ripple Rejection
100
80
C_ADJ = –10μF
60
C_ADJ = 0
40
20
|V_IN – V_OUT| = 5V
I_L = 500mA
f = 120Hz
T_j = 25°C
0
0
–10
–20
–30
OUTPUT VOLTAGE (V)
–40
137A G04
Ripple Rejection
100
80
60
C_ADJ = 10μF
C_ADJ = 0
40
20
V_IN = –15V
V_OUT = –10V
I_L = 500mA
T_j = 25°C
0
10
100
1k
10k
FREQUENCY (Hz)
100k 1M
137A G05
Ripple Rejection
100
80
C_ADJ = 10μF
60
C_ADJ = 0
40
20
V_IN = –15V
V_OUT = –10V
f = 120Hz
T_j = 25°C
0
0.01
0.1
1
OUTPUT CURRENT (A)
10
137A G06
137afb
5