Datasheet

TPS7201Q, TPS7225Q, TPS7230Q
TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY
MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
SLVS102G – MARCH 1995 – REVISED JUNE 2000
19
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 9
0.01
0
0.03
0.02
0.04
CHANGE IN DROPOUT VOLTAGE
vs
FREE-AIR TEMPERATURE
0.05
– Change in Dropout Voltage – V∆V
DO
T
A
– Free-Air Temperature – °C
–0.01
–0.02
–0.03
–0.04
–40 –20 0 20 40 60 80 100 120
140
TPS7233
TPS7248/TPS7250
TPS7230
Figure 10
0 50 100 150 200 250
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
– Dropout Voltage – VV
DO
I
O
– Output Current – mA
TPS7201
DROPOUT VOLTAGE
vs
OUTPUT CURRENT
V
I
= 2.9 V
V
I
= 2.4 V
†
V
I
= 2.6 V
†
V
I
= 3.2 V
V
I
= 3.9 V
V
I
= 5.9 V
V
I
= 9.65 V
†
This voltage is not recommended.
Figure 11
3
2
1
0
234567
– Pass Element Series Resistance –
4
5
PASS ELEMENT SERIES RESISTANCE
vs
INPUT VOLTAGE
6
8910
r
DS(on)
Ω
V
I
– Input Voltage – V
T
A
= 25°C
V
FB
= 1.12 V
I
O
= 250 mA
I
O
= 100 mA
Figure 12
CHANGE IN OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
– Change in Output Voltage – mV∆V
O
T
A
– Free-Air Temperature – °C
15
10
5
0
–5
–10
–15
–20
–25
–40 –20 0 20 40 60 80 100 120 140
I
O
= 10 mA
V
I
= V
O
+ 1 V