Datasheet

TPS7201Q, TPS7225Q, TPS7230Q
TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY
MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
SLVS102G – MARCH 1995 – REVISED JUNE 2000
17
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
I
Q
Quiescent current
vs Output current 5
I
Q
Q
u
iescent
c
u
rrent
vs Input voltage 6
∆I
Q
†
Change in quiescent current vs Free-air temperature 7
V
DO
Dropout voltage vs Output current 8
∆V
DO
Change in dropout voltage vs Free-air temperature 9
V
DO
Dropout voltage (TPS7201 only) vs Output current 10
r
DS(on)
Pass-element series resistance vs Input voltage 11
∆V
O
Change in output voltage vs Free-air temperature 12
V
O
Output voltage vs Input voltage 13
Line regulation
(TPS7201, TPS7233, TPS7248, TPS7250)
14
Load regulation
(TPS7225, TPS7233, TPS7248, TPS7250)
15
V
O(PG)
Power-good (PG) voltage vs Output voltage 16
r
DS(on)PG
Power-good (PG) on-resistance vs Input voltage 17
V
I
Minimum input voltage for valid PG vs Free-air temperature 18
Output voltage response from enable (EN) 19
Load transient response (TPS7201/TPS7233) 20
Load transient response (TPS7248/TPS7250) 21
Line transient response (TPS7201) 22
Line transient response (TPS7233) 23
Line transient response (TPS7248/TPS7250) 24
Ripple rejection vs Frequency 25
Output Spectral Noise Density vs Frequency 26
vs Output current (C
O
= 4.7 µF) 27
Com
p
ensation series resistance (CSR)
vs Added ceramic capacitance (C
O
= 4.7 µF) 28
Compensation
series
resistance
(CSR)
vs Output current (C
O
= 10 µF) 29
vs Added ceramic capacitance (C
O
= 10 µF) 30
†
This symbol is not currently listed within EIA or JEDEC standards for semiconductor symbology.