Datasheet

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ELECTRICAL CHARACTERISTICS
(3) If V
O
< 1.8 V then V
Imax
= 6 V, V
Imin
= 2.7 V:
Lineregulation(mV)=(%/V)x V
o
x1000
(V 2.7)
100
-
Imax
If V
O
> 2.5 V then V
Imax
= 6 V, V
Imin
= V
O
+ 1 V:
x1000
[ V (V +1) ]
100
-
Imax o
Lineregulation(mV)=(%/V)x V
o
TPS70845, TPS70848
TPS70851, TPS70858
TPS70802
SLVS301D – JUNE 2000 – REVISED DECEMBER 2007
Over recommended operating junction temperature range (T
J
= – 40 ° C to +125 ° C), V
IN1
or V
IN2
= V
OUT(nom)
+ 1 V, I
O
= 1 mA,
EN = 0 V, and C
OUT
= 33 µ F (unless otherwise noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
2.7 V < V
IN
< 6 V,
FB connected to V
O
1.22
Reference
T
J
= +25 ° C
voltage
2.7 V < V
IN
< 6 V, FB connected to V
O
1.196 1.244
2.7 V < V
IN
< 6 V, T
J
= +25 ° C 1.2
1.2 V Output
2.7 V < V
IN
< 6 V, 1.176 1.224
2.7 V < V
IN
< 6 V, T
J
= +25 ° C 1.5
1.5 V Output
Output
2.7 V < V
IN
< 6 V, 1.47 1.53
V
O
V
voltage
(1), (2)
2.8 V < V
IN
< 6 V, T
J
= +25 ° C 1.8
1.8 V Output
2.8 V < V
IN
< 6 V, 1.764 1.836
3.5 V < V
IN
< 6 V, T
J
= +25 ° C 2.5
2.5 V Output
3.5 V < V
IN
< 6 V, 2.45 2.55
4.3 V < V
IN
< 6 V, T
J
= +25 ° C 3.3
3.3 V Output
4.3 V < V
IN
< 6 V, 3.234 3.366
Quiescent current (GND current) for See
(2)
T
J
= +25 ° C 190
regulator 1 and regulator 2, EN1 = EN2 µ A
See
(2)
230
= 0 V
(1)
V
O
+ 1 V < V
IN
≤ 6 V, T
J
= +25 ° C
(1)
0.01
Output voltage line regulation ( ∆ V
O
/V
O
)
%V
for regulator 1 and regulator 2
(3)
V
O
+ 1 V < V
IN
≤ 6 V
(1)
0.1
Load regulation for V
OUT 1
and V
OUT2
T
J
= +25 ° C 1 mV
Regulator 1 65
Output noise
V
n
BW = 300 Hz to 50 kHz, C
O
= 33 µ F, T
J
= +25 ° C µ V
RMS
voltage
Regulator 2 65
Regulator 1 1.6 1.9
Output current limit V
OUT
= 0 V A
Regulator 2 0.750 1
Thermal shutdown junction temperature +150 ° C
Regulator 1 EN1 = V
IN
, EN2 = V
IN
T
J
= +25 ° C 2
I
I
Standby
µ A
(standby) current
Regulator 2 EN1 = V
IN
, EN2 = V
IN
6
f = 1 kHz, C
OUT
= 33 µ F,
Regulator 1 T
J
= +25 ° C
(1)
60
Power-
I
OUT1
= 250 mA
PSRR supply ripple dB
f = 1 kHz, C
OUT
= 33 µ F,
rejection
Regulator 2 T
J
= +25 ° C
(1)
50
I
OUT2
= 125 mA
UVLO threshold 2.4 2.65 V
RESET Terminal
Minimum input voltage for valid RESET I
(RESET)
= 300 µ A, V
(RESET)
≤ 0.8 V 1.0 1.3 V
t
(RESET)
RESET pulse duration 80 120 160 ms
Output low voltage V
IN
= 3.5 V, I
(RESET)
= 1 mA 0.15 0.4 V
Leakage current V
(RESET)
= 6 V 1 µ A
(1) Minimum input operating voltage is 2.7 V or V
O(typ)
+ 1 V, whichever is greater. Maximum input voltage = 6 V, minimum output
current = 1 mA.
(2) I
O
= 1 mA to 250 mA for Regulator 1 and 1 mA to 125 mA for Regulator 2.
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