LT3020-1.2_15 Datasheet, PDF (5/16 Pages) Linear Technology – 100mA, Low Voltage, Very Low Dropout Linear Regulator

TYPICAL PERFOR A CE CHARACTERISTICS
LT3020/LT3020-1.2/
LT3020-1.5/LT3020-1.8
Typical Dropout Voltage
250
225
200
T_J = 125°C
175
150
125
100
T_J = 25°C
75
50
25
0
0 10 20 30 40 50 60 70 80 90 100
OUTPUT CURRENT (mA)
3020 G01
ADJ Pin Voltage
206 _{IL = 1mA}
204
202
200
198
196
194
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3020 G04
Output Voltage
1.230
I_L = 1mA
1.220
1.210
1.200
1.190
1.180
1.170
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3020 G24
Dropout Voltage
250 _{VOUT = 1.2V}
225
200
I_L = 100mA
175
150
I_L = 50mA
125
100
I_L = 10mA
75
50
I_L = 1mA
25
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3020 G02
Output Voltage
1.830
I_L = 1mA
1.820
1.810
1.800
1.790
1.780
1.770
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3020 G22
Quiescent Current
1000
900
800
V_OUT = 1.2V
I_L = 0
T_J = 25°C
700
600
500
400
300
200
V_SHDN = V_IN
100
V_SHDN = 0V
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
3020 G05
Quiescent Current
250 _{VIN = 6V}
225 VOUT = 1.2V
200 ^{IL = 0}
175
150
125
V_SHDN = V_IN
100
75
50
25
0
–50 –25
V_SHDN = 0V
0 25 50 75
TEMPERATURE (°C)
100 125
3020 G03
Output Voltage
1.530
I_L = 1mA
1.520
1.510
1.500
1.490
1.480
1.470
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3020 G23
GND Pin Current
2500
2250
V_OUT = 1.2V
T_J = 25°C
2000
1750
1500
R_L = 12Ω
I_L = 100mA
1250
1000
R_L = 24Ω
I_L = 50mA
750
R_L = 120Ω
500
I_L = 10mA
250
R_L = 1.2k, I_L = 1mA
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
3020 G06
3020fc
5