Datasheet

www.ti.com
(3) If V
O
≤ 1.8V then V
Imax
= 6V, V
Imin
= 2.7V:
LineReg. (mV)  (%V)  V
O

V
Imax
2.7V

100
 1000
If V
O
≥ 2.5V then V
Imax
= 6V, V
Imin
= V
O
+ 1V:
LineReg. (mV)  (%V)  V
O

V
Imax


V
O
1V

100
 1000
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
TPS70145, TPS70148
TPS70151, TPS70158
TPS70102
SLVS222D – DECEMBER 1999 – REVISED NOVEMBER 2004
Over operating temperature range (unless otherwise noted)
MIN MAX UNIT
Input voltage, V
I
(1)
2.7 6 V
Output current, I
O
(regulator 1) 0 500 mA
Output current, I
O
(regulator 2) 0 250 mA
Output voltage range (for adjustable option) 1.22 5.5 V
Operating junction temperature, T
J
-40 +125 ° C
(1) To calculate the minimum input voltage for maximum output current, use the following equation: V
I(min)
= V
O(max)
+ V
DO(max load)
.
Over recommended operating junction temperature range (T
J
= -40 ° C to +125 ° C), V
IN1
or V
IN2
= V
OUT(nom)
+ 1V, I
O
= 1mA,
EN = 0, C
O
= 33µF, (unless otherwise noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Reference 2.7V < V
I
< 6V,
FB connected to V
O
1.22
voltage T
J
= 25 ° C
2.7V < V
I
< 6V, FB connected to V
O
1.196 1.244
1.2V Output 2.7V < V
I
< 6V, T
J
= 25 ° C 1.2
2.7V < V
I
< 6V, 1.176 1.224
1.5V Output 2.7V < V
I
< 6V, T
J
= 25 ° C 1.5
Output
2.7V < V
I
< 6V, 1.47 1.53
V
O
V
voltage
(1)
,
(2)
1.8V Output 2.7V < V
I
< 6V, T
J
= 25 ° C 1.8
2.7V < V
I
< 6V, 1.764 1.836
2.5V Output 2.7V < V
I
< 6V, T
J
= 25 ° C 2.5
2.7V < V
I
< 6V, 2.45 2.55
3.3V Output 2.7V < V
I
< 6V, T
J
= 25 ° C 3.3
2.7V < V
I
< 6V, 3.234 3.366
Quiescent current (GND current) for
(2)
T
J
= 25 ° C 190
µA
regulator 1 and regulator 2, EN = 0V
(1)
(2)
230
Output voltage line regulation ( ∆ V
O
/V
O
) V
O
+ 1V < V
I
≤ 6V, T
J
= 25 ° C
(1)
0.01%
V
for regulator 1 and regulator 2
(3)
V
O
+ 1V < V
I
≤ 6V
(1)
0.1%
Load regulation for V
OUT 1
and V
OUT2
T
J
= 25 ° C
(2)
1 mV
V
n
Output noise Regulator 1 65
BW 300Hz to 50kHz, C
O
= 33µF, T
J
= 25 ° C µV
RMS
voltage
Regulator 2 65
Regulator 1 1.6 1.9
Output current limit V
OUT
= 0V A
Regulator 2 0.750 1
Thermal shutdown junction temperature 150 ° C
EN = V
I
, T
J
= 25 ° C 1
Regulator 1 µA
EN = V
I
3
I
I
Standby
(standby) current
EN = V
I
, T
J
= 25 ° C 1
Regulator 2 µA
EN = V
I
3
PSRR Power-supply ripple rejec- f = 1kHz, C
O
= 33µF, T
J
= 25 ° C
(1)
dB
60
tion
(1) Minimum input operating voltage is 2.7V or V
O(typ)
+ 1V, whichever is greater. Maximum input voltage = 6 V, minimum output
current = 1mA.
(2) I
O
= 1mA to 500mA for Regulator 1 and 1mA to 250mA for Regulator 2.
4