Datasheet

TPS7201Q, TPS7225Q, TPS7230Q
TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY
MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
SLVS102G – MARCH 1995 – REVISED JUNE 2000
20
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 13
3
2
1
0
0123456
– Output Voltage – V
4
4.5
OUTPUT VOLTAGE
vs
INPUT VOLTAGE
5.5
78 910
5
3.5
2.5
1.5
0.5
V
O
V
I
– Input Voltage – V
TPS7250
TPS7248
TPS7233
T
A
= 25°C
I
O
= 250 mA
TPS7201 With
V
O
Programmed to 2.5 V
∆
Figure 14
4 4.5 5 6 6.5 7 7.5
LINE REGULATION
8 8.5 9.5 105.5 9
25
20
15
10
5
0
–5
–10
–15
–20
–25
TPS7250
TPS7233
TPS7248
T
A
= 25°C
I
O
= 250 mA
– Change in Output Voltage – mV∆V
O
V
I
– Input Voltage – V
TPS7201 With
V
O
Programmed to 2.5 V
Figure 15
0 50 100 150 200 250
50
40
30
20
10
0
–10
–20
–30
–40
–50
I
O
– Output Current – mA
T
A
= 25°C
– Change in Output Voltage – mV∆V
O
TPS7233
TPS7250
TPS7248
TPS7225
LOAD REGULATION
Figure 16
POWER-GOOD (PG) VOLTAGE
vs
OUTPUT VOLTAGE
†
GND
0
92 93 94 95
– Power-Good (PG) Voltage – V
6
96 98
T
A
= 25°C
PG Pulled Up to V
I
With 5 kΩ Resistor
V
O
– Output Voltage – %
V
O(PG)
97
V
I
†
V
O
as a percent of V
O
nom.