Datasheet

Line regulator
(
mV
)
+
ǒ
%ńV
Ǔ
V
O
ǒ
V
I
(
max
)
* 2.7 V
Ǔ
100
1000
Line regulator (mV) +
ǒ
%ńV
Ǔ
V
O
ƪ
V
I
(
max
)
*
ǒ
V
O
) 1 V
Ǔ
ƫ
100
1000
TPS767D301-EP
SGLS327A –FEBRUARY 2006–REVISED APRIL 2010 www.ti.com
Electrical Characteristics
V
i
= V
O(nom)
+ 1 V, I
O
= 1 mA, EN = 0, C
O
= 10 mF (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
T
J
= 25°C V
O
1.5 V ≤ V
O
≤ 5.5 V,
Adjustable
T
J
= –55°C to
10 mA < I
O
< 1 A
0.97V
O
1.02V
O
125°C
V
O
Output voltage
(1)
V
T
J
= 25°C 3.3
4.3 V < V
I
< 10 V,
3.3-V output
T
J
= –55°C to
10 mA < I
O
< 1 A
3.201 3.366
125°C
10 µA < I
O
< 1 A, T
J
= 25°C 85
Quiescent current (GND current)
mA
for each LDO
(1)
I
O
= 1 A, T
J
= –55°C to 125°C 125
Output voltage line regulation 0.01
ΔV
O
/V
O
V
O
+ 1 V < V
I
≤ 10 V, T
J
= 25°C %/V
for each LDO
(1) (2)
BW = 200 Hz to 100 kHz, V
O
= 1.8 V,
Output noise voltage 55 µV
RMS
I
C
= 1 A, C
O
= 10 mF, T
J
= 25°C
Output current limit for each LDO V
O
= 0 V 1.7 2 A
Thermal shutdown junction temperature 150 °C
T
J
= 25°C 1
2.7 V < V
I
< 10 V,
Standby current for each LDO mA
T
J
= –55°C to
EN = V
I
10
125°C
FB input current Adjustable FB = 1.5 2 nA
High-level enable input voltage 2 V
Low-level enable input voltage 0.8 V
Power-supply ripple rejection
(1)
f = 1 KHz, T
J
= 25°C, C
O
= 10 mF 60 dB
Minimum input voltage
I
O(RESET)
= 300 mA 1.1 V
for valid RESET
Trip threshold voltage V
O
decreasing 92 98
%/V
O
Hysteresis voltage Measured at V
O
0.5
Reset
Output low voltage V
I
= 2.7 V, I
O(RESET )
= 1 mA 0.15 0.4 V
Leakage current V
(RESET)
= 7 V 1 mA
RESET time-out delay 200 mV
EN = 0 V –1 0 1
Input current EN mA
EN = V
I
–1 1
Load regulation 3 mV
T
J
= 25°C 350
Dropout voltage
(3)
V
O
= 3.3 V, I
O
= 1 A mV
T
J
= –55°C to
575
125°C
(1) The minimum IN operating voltage is 2.7 V or V
O(typ)
+ 1 V, whichever is greater. The maximum IN voltage is 10 V.
(2) If V
O
≤ 1.8 V then V
I(min)
= 2.7 V, V
I(max)
= 10 V:
If V
O
≥ 2.5 V, then V
I(min)
= V
O
+ 1 V, and V
I(max)
= 10 V:
(3) IN voltage equals V
O(typ)
– 100 mV; adjustable output voltage set to 3.3 V nominal with external resistor divider. Dropout voltage of 1.8 V
and 2.5 V is limited by input voltage-range limitations.
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