Datasheet

_
+
Current
Sense
R
1
R
2
V
IN
GND
V
OUT
I
LIM
Bandgap
Reference
V
REF
=1.205V
R =840kW
2
TLV704xx
www.ti.com SBVS148C –OCTOBER 2010– REVISED AUGUST 2011
ELECTRICAL CHARACTERISTICS
All values are at T
A
= +25°C, V
IN
= V
OUT(nom)
+ 1 V, I
OUT
= 1 mA, and C
OUT
= 1 µF, unless otherwise noted.
TLV704xx
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Input voltage range 24 V
V
O
Output voltage range 1.2 5 V
V
OUT
DC output accuracy –2 2 %
ΔV
O
for ΔV
IN
Line regulation V
OUT(NOM)
+ 1 V < V
IN
< 24 V 20 50 mV
0 mA < I
OUT
< 10 mA 10 mV
V
OUT
≤ 3.3 V 0 mA < I
OUT
< 50 mA 25 mV
0 mA < I
OUT
< 100 mA 33 50 mV
ΔV
O
for ΔI
OUT
Load regulation
0 mA < I
OUT
< 10 mA 7 mV
V
OUT
≥ 3.3 V 0 mA < I
OUT
< 50 mA 35 mV
0 mA < I
OUT
< 100 mA 50 75 mV
I
OUT
= 10 mA 75 mV
V
DO
Dropout voltage
(1)
I
OUT
= 50 mA 400 mV
I
OUT
= 100 mA 850 1100 mV
I
CL
Output current limit V
OUT
= 0 V 160 1000 mA
I
OUT
= 0 mA 3.2 4.5 µA
I
GND
Ground pin current
I
OUT
= 100 mA 3.4 5.5 µA
Power-supply rejection
PSRR f = 100 kHz, C
OUT
= 10 µF 60 dB
ratio
Operating junction
T
J
–40 +125 °C
temperature
(1) V
IN
= V
OUT(NOM)
– 0.1 V.
FUNCTIONAL BLOCK DIAGRAM
Table 1. Pin Descriptions
TLV704xx
NAME DBV DESCRIPTION
GND 1 Ground
IN 2 Unregulated input voltage.
OUT 3 Regulated output voltage. Any capacitor greater than 1 µF between this pin and ground is needed for stability.
NC 4, 5 No connection. This pin can be left open or tied to ground for improved thermal performance.
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