SA57031-XX Datasheet, PDF (5/13 Pages) NXP Semiconductors – Micropower 150 mA, low-noise, low dropout linear regulator with on/off

Philips Semiconductors
Micropower 150 mA, low-noise, low dropout linear
regulator with on/off
Product data
SA57031-XX
TYPICAL PERFORMANCE CURVES
Shown for the SA57031-28UK only; T_amb = 25 °C; V_I = V_O + 1 V; V_On/Off = V_I; C_in = 2.2 µF, C_O = 2.2 µF unless otherwise specified
3.0
2.5
I_O = 1mA
2.0
I_O = 100 mA
1.5
I_O = 30 mA
1.0
0.5
0
0
1
2
3
4
5
6
150
100
50
0
–50
–100
–150
0
50
100
150
INPUT VOLTAGE V_I(V)
SL01970
Figure 3. Output voltage versus input voltage.
OUTPUT CURRENT I_O(mA)
SL01973
Figure 6. Load regulation versus load current.
50
45
40
35
30
25
20
15
10
5
0
0
1
2
3
4
5
6
INPUT VOLTAGE V_I(V)
SL01971
Figure 4. No-load input current versus input voltage.
0.4
V_I = 2.6 V, I_O = 10 mA
0.3
0.2
0.1
0
0
50
100
150
OUTPUT CURRENT I_O(mA)
SL01974
Figure 7. Dropout voltage versus output current.
1.0
0.8
0.6
0.4
0.2
–0.0
–0.2
–0.4
–0.6
–0.8
–1
3
I_O = 30 mA
3.5
4.0
4.5
5.0
5.5
6.0
INPUT VOLTAGE V_I(V)
SL01972
Figure 5. Line regulation versus input voltage.
3.0
2.5
2.0
1.5
1.0
0.5
0
0
V_I = 5.0 V
V_I = 6.0 V
V_I = 3.8 V
100
200
300
400
OUTPUT CURRENT I_O(mA)
SL01975
Figure 8. Current limit versus output current.
2003 Jun 23
5