LT1020_15 Datasheet, PDF (5/16 Pages) Linear Technology – Micropower Regulator and Comparator

TYPICAL PERFOR A CE CHARACTERISTICS
LT1020
Dropout Detector Current
100
V_DIFF = 500mV
10
1
0.1
V_DIFF = 1V
0.01
10
100
1000
REGULATOR OUTPUT CURRENT (mA)
1020 G07
Regulator Ripple Rejection
70
I_OUT = 100mA
65
I_OUT = 10mA
60
55
I_OUT = 1mA
50
45
40
35
V_IN = 100VDC, 1V_P-P
V_OUT = 5V
C_OUT = 10µF
30
10
100
1k
10k
RIPPLE FREQUENCY (Hz)
100k
1020 G10
Reference Regulation
4
3
2
1
0
–1
–2
–3
–4
–1.5 –1.0 –0.5 0
0.5 1.0 1.5
REFERENCE OUTPUT CURRENT (mA)
1020 G13
Dropout Detector Current
1000
I_OUT = 100mA
100
I_OUT = 25mA
10
I_OUT = 5mA
I_OUT = 1mA
1
0 0.1 0.2 0.3 0.4 0.5 0.6
REGULATOR INPUT/OUTPUT DIFFERENTIAL (V)
1020 G08
Supply Current
10
I_OUT = 100mA
1
I_OUT = 10mA
0.1
I_OUT = 1mA
V_OUT = 5V
T_J = –55°C TO 125°C
0.01
1
5
10
15
20
25
REGULATOR INPUT/OUTPUT DIFFERENTIAL (V)
1020 G11
Comparator Input Bias Current
100
90
T_J = 125°C
80
70
T_J = 25°C
60
T_J = –55°C
50
40
30
20
10
0
–1.0
–0.6 –0.2 GND 0.2 0.6 1.0
COMMON MODE VOLTAGE (V)
REFERRED TO PIN 9 (GND)
1020 G14
Regulator Minimum Load Current
100
10
1
70 80
90 100 110 120 130 140 150
TEMPERATURE (°C)
1020 G09
Supply Current at Dropout
10
T_J = –55°C TO 125°C
I_OUT = 100mA
1
I_OUT = 10mA
0.1
I_OUT = 1mA
0.01
0 0.1 0.2 0.3 0.4 0.5 0.6
REGULATOR INPUT/OUTPUT DIFFERENTIAL (V)
1020 G12
Feedback Pin Current
40
35
30
25
T_J = –55°C
20
15
T_J = 25°C
10
5
T_J = 125°C
0
0.1
1
10
100
1000
REGULATOR OUTPUT CURRENT (mA)
1020 G15
sn1020 1020fcs
5