SA57003 Datasheet, PDF (8/16 Pages) NXP Semiconductors – Five-output composite voltage regulator

Philips Semiconductors
Five-output composite voltage regulator
Product data
SA57003
TYPICAL PERFORMANCE CURVES
250
Typical for V_OUT1,2,3
T_amb = 25 °C
200
150
100
50
0
0
25
50
75
100
125
150
I_OUT, OUTPUT CURRENT (mA)
SL01428
Figure 4. Dropout voltage versus output current.
20
10
V_OUT
–10
–20
Typical for V_OUT1,2,3
T_amb = 25 °C
–30 ^VIN ^{= V}OUT ^{+ 1.0 V}
ON/OFF_1,2,3 = V_IN
C_OUT = 47 µF
–40
0
20
40
60
80
100
I_OUT, OUTPUT VOLTAGE (mV)
120
140
SL01430
Figure 6. Normalized load regulation.
+1.0
V_OUT
–1.0
–2.0
–3.0
Typical for V_OUT1,2,3
V_IN = V_OUT + 1.0 V
ON/OFF_1,2,3 = V_IN
0
50
100
150
200
I_OUT, OUTPUT CURRENT (mA)
250
300
SL01432
Figure 8. Typical output current limit.
15
I_OUT = 30 mA
Typical for V_OUT1,2,3
T_amb = 25 °C
10 ^ON/OFF1,2,3 ^{= V}IN ^{= V}OUT ^{+ 1.0 V}
5.0
V_OUT
–5.0
4.0
6.0
8.0
10
V_IN, INPUT VOLTAGE (V)
12
SL01429
Figure 5. Normalized line regulation versus input voltage.
+1.0
V_OUT
–1.0
–2.0
–3.0
Typical for V_OUT1,2,3
V_IN = V_OUT + 1.0 V
ON/OFF_1,2,3 = V_IN
0
25
50
75
100
125
T_j, JUNCTION TEMPERATURE (°C)
Figure 7. Thermal shutdown.
150
175
SL01431
1000
100
UNSTABLE REGION
T_amb = 25 °C
0 ≤ V_IN ≤ 12 V
C_OUT = 4.7 µF
10
1.0
STABLE OPERATING REGION
0.1
UNMEASURABLE REGION
0.01
0.01
0.1
1.0
10
100
I_OUT, OUTPUT CURRENT (mA)
SL01433
Figure 9. ESR stability versus output current.
2003 Oct 13
8