SP6231 Datasheet, PDF (5/10 Pages) Sipex Corporation – 500mA, 3.3V Linear Regulator with Auxiliary Backup

TYPICAL PERFORMANCE CHARACTERISTICS
3.35
3.30
3.25
3.20
3.15
3.10
3.05
3.00
0
100
200
300
400
500
Load Current (mA)
Figure 2. DC load regulation (includes thermal heating
of the die), Vin=5V
700
600
500
400
300
200
100
0
0
100 200 300 400 500 600 700 800 900
Load Current (mA)
Figure 3. Ground pin current vs. load in LDO mode,
V_IN = 5V, V_AUX = 3.3V.
3.288
3.286
3.284
3.282
3.280
3.278
3.276
3.274
3.272
3.270
3.268
-60
-10
40
90
140
Temperature (°C)
Figure 4. V_OUT over temperature, V_IN = 5V, I_L = 10µA.
70
60
50
40
30
20
10
0
0
1
2
3
4
5
6
VAUX(V)
Figure 5. Ground pin current vs. V_AUX backup switch
mode, V_IN is floating, no load.
90
80
70
60
50
40
30
20
10
0
0
100
200
300
400
500
600
700
Output Current (mA)
Figure 6. Ground pin current vs. load in backup switch
mode, V_AUX = 3.3V, V_IN is floating.
VOUT
Figure 7. Glitch Free Operation: Switching from V_AUX
to V_IN and vice versa. V_AUX = 3.3V, I_LOAD = 100mA.
Date: 5/25/04
SP6231 500mA, 3.3V Linear Regulator
5
© Copyright 2004 Sipex Corporation