Datasheet
TPS73201-Q1
TPS73225-Q1
SGLS303E –MAY 2005–REVISED AUGUST 2013
www.ti.com
ELECTRICAL CHARACTERISTICS
Over operating temperature range (T
J
= –40°C to 125°C), V
IN
= V
OUT(nom)
+ 0.5 V
(1)
, I
OUT
= 10 mA, V
EN
= 1.7 V, and
C
OUT
= 0.1 μF, unless otherwise noted. Typical values are at T
J
= 25°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IN
Input voltage range
(1)
1.7 5.5 V
V
FB
Internal reference (TPS73201) T
J
= 25°C 1.198 1.2 1.21 V
Output voltage range (TPS73201)
(2)
V
FB
5.5–V
DO
V
Accuracy
(1)
Nominal T
J
= 25°C –0.5% +0.5%
V
OUT
(V
OUT
+ 0.5 V) ≤ V
IN
≤ 5.5 V,
V
IN
, I
OUT
, and T
J
–1% ±0.5% +1%
10 mA ≤ I
OUT
≤ 250 mA
ΔV
OUT
%/ΔV
IN
Line regulation
(1)
(V
OUT(nom)
+ 0.5 V) ≤ V
IN
≤ 5.5 V 0.06 %/V
1 mA ≤ I
OUT
≤ 250 mA 0.002
ΔV
OUT
%/ΔI
OUT
Load regulation %/mA
10 mA ≤ I
OUT
≤ 250 mA 0.0008
Dropout voltage
(3)
V
DO
I
OUT
= 250 mA 40 150 mV
(V
IN
= V
OUT
(nom) – 0.1 V)
Z
O
(DO) Output impedance in dropout 1.7 V ≤ V
IN
≤ (V
OUT
+ V
DO
) 0.25 Ω
I
CL
Output current limit V
OUT
= 0.9 × V
OUT(nom)
250 425 600 mA
I
SC
Short-circuit current V
OUT
= 0 V 300 mA
I
REV
Reverse leakage current
(4)
(–I
IN
) V
EN
≤ 0.5 V, 0 V ≤ V
IN
≤ V
OUT
0.1 10 μA
I
OUT
= 10 mA (I
Q
) 400 550
I
GND
Ground pin current μA
I
OUT
= 250 mA 650 950
I
SHDN
Shutdown current (I
GND
) V
EN
≤ 0.5 V, V
OUT
≤ V
IN
≤ 5.5 0.02 1 μA
f = 100 Hz, I
OUT
= 250 mA 58
Power-supply rejection ratio
PSRR dB
(ripple rejection)
f = 10 kHz, I
OUT
= 250 mA 37
C
OUT
= 10 μF, No C
NR
27 × V
OUT
Output noise voltage
V
N
μV
RMS
BW = 10 Hz – 100 kHz
C
OUT
= 10 μF, C
NR
= 0.01 μF 8.5 × V
OUT
V
OUT
= 3 V, R
L
= 30 Ω
t
STR
Startup time 600 μs
C
OUT
= 1 μF, C
NR
= 0.01 μF
V
EN
(HI) Enable high (enabled) 1.7 V
IN
V
V
EN
(LO) Enable low (shutdown) 0 0.5 V
I
EN
(HI) Enable pin current (enabled) V
EN
= 5.5 V 0.02 0.1 μA
Shutdown, Temperature increasing 160
T
SD
Thermal shutdown temperature °C
Reset, Temperature decreasing 140
(1) Minimum V
IN
= V
OUT
+ V
DO
or 1.7 V, whichever is greater.
(2) TPS73201 is tested at V
OUT
= 2.5 V.
(3) V
DO
is not measured for the TPS73215 or TPS73216, because minimum V
IN
= 1.7 V.
(4) Fixed-voltage versions only; see the Application Information section for more information.
4 Submit Documentation Feedback Copyright © 2005–2013, Texas Instruments Incorporated
Product Folder Links: TPS73201-Q1 TPS73225-Q1