Datasheet

TPS7201Q, TPS7225Q, TPS7230Q
TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY
MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
SLVS102G – MARCH 1995 – REVISED JUNE 2000
21
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 17
10
1
0
100
1 1.5 2 2.5 3 3.5 4
– Power-Good (PG) On-Resistance – k
POWER-GOOD (PG) ON-RESISTANCE
vs
INPUT VOLTAGE
4.5 5
r
DS(on)
Ω
V
I
– Input Voltage – V
T
A
= 25°C
Figure 18
1.125
1.095
– Minimum Input Voltage for Valid PG
1.115
1.11
1.12
MINIMUM INPUT VOLTAGE FOR VALID PG
vs
FREE-AIR TEMPERATURE
1.3
–40 –20 0 20 40 60 80 100 120 140
V
I
1.105
T
A
– Free-Air Temperature – °C
1.1
– Output Voltage – V
OUTPUT VOLTAGE RESPONSE FROM
ENABLE (EN)
0 50 100 150
5
0
– EN Voltage – V
V
O
V
O
nom
V
I(EN)
t – Time – µs
(Values Vary With
Selection of Device)
10
T
A
= 25°C
C
I
= 0
C
O
= 4.7 µF (CSR = 1 Ω)
Figure 19