SC1454 Datasheet, PDF (9/14 Pages) Semtech Corporation – Dual 150mA Ultra Low Dropout, Low Noise Regulator

SC1454
POWER MANAGEMENT
Typical Characteristics (Cont.)
Dropout Voltage vs. Output Current
vs. Junction Temperature
200
175
150
125
100
75
Top to bottom:
50
T_J = 125°C
T_J = 25°C
25
T_J = -40°C
0
0
25
50
75
100
125
150
I_OUT (mA)
Line Regulation vs.
Junction Temperature
10
I_OUT = 1mA
9
8
7
6
5
4
3
2
1
V_IN = V_OUT + 1V to 6.5V
V_IN = V_OUT + 1V to 5.5V
0
-50
-25
0
25
50
75
100
125
T_J (°C)
Current Limit vs. Junction Temperature
vs. Input Voltage
800
750
V_IN = 6.5V
700
650
600
550
V_IN = 3.8V
500
450
400
-50
-25
0
25
50
75
100
125
T_J (°C)
Dropout Voltage vs. Junction Temperature
vs. Output Current
200
175
I_OUT = 150mA
150
125
100
75
50
I_OUT = 50mA
25
0
-50
-25
0
25
50
75
T_J (°C)
Load Regulation vs.
Junction Temperature
10
V_IN = V_OUT + 1V
9 _{IOUT = 0.1mA to 150mA}
8
7
6
5
4
3
2
1
0
-50
-25
0
25
50
75
T_J (°C)
100
125
100
125
Off-State Quiescent Current
vs. Junction Temperature
400
V_IN = 6.5V
350 V_ENA = V_ENB = 0V
300
250
200
150
100
50
0
-50
-25
0
25
50
75
100
125
T_J (°C)
ã 2000 Semtech Corp.
9
www.semtech.com