TPS736xx
www.ti.com
SBVS038K – SEPTEMBER 2003 – REVISED SEPTEMBER 2005
ELECTRICAL CHARACTERISTICS
Over operating temperature range (T
J
= -40°C to +125°C), V
IN
= V
OUT(nom)
+ 0.5V
(1)
, I
OUT
= 10mA, V
EN
= 1.7V, and
C
OUT
= 0.1µF, unless otherwise noted. Typical values are at T
J
= 25°C.
PARAMETER
V
IN
V
FB
Input voltage
range
(1) (2)
T
J
= 25°C
Internal reference (TPS73601)
Output voltage range
(TPS73601)
V
OUT
Accuracy
(1)
∆V
OUT
%/∆V
IN
∆V
OUT
%/∆I
OUT
V
DO
Z
O
(DO)
I
CL
I
SC
I
REV
I
GND
I
SHDN
I
FB
PSRR
V
N
t
STR
V
EN
(HI)
V
EN
(LO)
I
EN
(HI)
T
SD
T
J
(1)
(2)
(3)
(4)
Nominal
over V
IN
, I
OUT
,
and T
T
J
= 25°C
V
OUT
+ 0.5V
≤
V
IN
≤
5.5V;
10mA
≤
I
OUT
≤
400mA
V
O(nom)
+ 0.5V≤ V
IN
≤
5.5V
1mA
≤
I
OUT
≤
400mA
10mA
≤
I
OUT
≤
400mA
I
OUT
= 400mA
1.7V
≤
V
IN
≤
V
OUT
+ V
DO
V
OUT
= 0.9 × V
OUT(nom)
3.6V
≤
V
IN
≤
4.2V, 0°C
≤
T
J
≤
70°C
V
OUT
= 0V
(-I
IN
)
V
EN
≤
0.5V, 0V≤ V
IN
≤
V
OUT
I
OUT
= 10mA (I
Q
)
I
OUT
= 400mA
V
EN
≤
0.5V, V
OUT
≤
V
IN
≤
5.5
f = 100Hz, I
OUT
= 400mA
f = 10KHz, I
OUT
= 400mA
C
OUT
= 10µF, No C
NR
C
OUT
= 10µF, C
NR
= 0.01µF
V
OUT
= 3V, R
L
= 30Ω C
OUT
= 1µF,
C
NR
= 0.01µF
1.7
0
V
EN
= 5.5V
Shutdown, temperature increasing
Reset, temperature decreasing
-40
0.02
160
140
125
400
500
450
0.1
400
800
0.02
0.1
58
37
27 × V
OUT
8.5 × V
OUT
600
V
IN
0.5
0.1
10
550
1000
1
0.3
TEST CONDITIONS
MIN
1.7
1.198
V
FB
-0.5
-1.0
±0.5
0.01
0.002
0.0005
75
0.25
650
800
800
200
1.20
TYP
MAX
5.5
1.210
5.5 - V
DO
+0.5
+1.0
%
%/V
%/mA
mV
Ω
mA
mA
mA
µA
µA
µA
µA
dB
µV
RMS
µs
V
V
µA
°C
°C
UNIT
V
V
V
Line regulation
(1)
Load regulation
Dropout voltage
(3)
(V
IN
= V
OUT(nom)
- 0.1V)
Output impedance in dropout
Output current limit
Short-circuit current
Reverse leakage
current
(4)
Ground pin current
Shutdown current (I
GND
)
FB pin current (TPS73601)
Power-supply rejection ratio
(ripple rejection)
Output noise voltage
BW = 10Hz - 100KHz
Startup time
Enable high (enabled)
Enable low (shutdown)
Enable pin current (enabled)
Thermal shutdown temperature
Operating junction temperature
Minimum V
IN
= V
OUT
+V
DO
or 1.7V, whichever is greater.
For V
OUT(nom)
<1.6V, when V
IN
≤
1.6V, the output will lock to V
IN
and may result in a damaging over-voltage level on the output. To avoid
this situation, disable the device before powering down the V
IN
.
V
DO
is not measured for the TPS73615 (V
OUT(nom)
= 1.5V) since minimum V
IN
= 1.7V.
Refer to
Applications
section for more information.
3
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