
3
A6155
Electrical Characteristics
V
INPUT
= 6.0 V, C
L
= 10
μ
F + 100 nF, C
INPUT
= 22
μ
F, T
J
= -40 to +85
°
C, unless otherwise specified
Parameter
Symbol
Supply current in standby mode I
SS
(switched to R
INT
)
Test Conditions
R
EXT
= don’t care, TCL = V
OUTPUT
,
V
= V
, I
L
= 100
μ
A
O/P
1 M
to V
R
= 100 k
, I/P
S
at V
,
O/P
1 M
to V
, I
L
= 100
μ
A
R
= 100 k
, I/P
at V
OUTPUT
, V
=
8.0 V, O/P
S
1 M
to V
OUTPUT
L
= 100 mA
I
= 100
μ
A
100
μ
A
≤
I
L
≤
100 mA,
-40
°
C
≤
T
J
≤
+85
°
C
Min.
Typ.
Max.
Unit
350
μ
A
Supply current
1)
I
SS
155
400
μ
A
Supply current
1)
I
SS
1.7
4.2
5.12
mA
V
Output voltage
Output voltage
V
OUTPUT
V
OUTPUT
4.88
4.85
5.15
V
Output voltage temperature
Coefficient
2)
Line regulation
3)
V
th(coeff)
V
LINE
50
180
ppm/
°
C
6 V
≤
V
≤
26 V, I
L
= 1 mA,
T
= +85
°
C
100
μ
A
≤
I
L
≤
100 mA
I
L
= 100
μ
A
I
L
= 100 mA
I
L
= 100 mA, -40
°
C
≤
T
J
≤
+85
°
C
V
INPUT
= 4.5 V, I
= 100
μ
A,
R
EXT
= 100 k
, O/P
S
1 M
to
V
OUTPUT
, I/P
S
at V
T
J
°
C, I
= 50 mA,
V
= 26 V, T = 10 ms
OUTPUT tied to V
SS
0.2
0.2
40
380
0.5
0.6
170
%
%
mV
mV
mV
Load regulation
3)
Dropout voltage
4)
Dropout voltage
4)
Dropout voltage
4)
Dropout supply current
V
L
V
DROPOUT
V
DROPOUT
V
DROPOUT
I
SS
650
1.2
1.6
mA
Thermal regulation
5)
V
thr
0.05
450
200
0.25
%/W
mA
μ
Vrms
Current limit
OUTPUT noise, 10Hz to 100kHz V
NOISE
3.0
≤
V
OUTPUT
≤
5.5 V, I
L
= 100
μ
A, C
L
= 10
μ
F + 100 nF, C
INPUT
= 22
μ
F, T
J
= -40 to +85
°
C, unless otherwise specified
RES and EN
Output Low Voltage
V
OL
V
OUTPUT
= 4.5 V, I
OL
= 20 mA
V
OL
V
OUTPUT
= 4.5 V, I
OL
= 8 mA
V
OL
V
OUTPUT
= 2.0 V, I
OL
= 4 mA
V
OL
V
OUTPUT
= 1.2 V, I
OL
= 0.5 mA
EN
Output High Voltage
V
OH
V
OUTPUT
= 4.5 V, I
OH
= -1 mA
V
OH
V
OUTPUT
= 2.0 V, I
OH
= -100
μ
A
V
OH
V
OUTPUT
= 1.2 V, I
OH
= -30
μ
A
TCL and V
TCL Input Low Level
V
IL
TCL Input High Level
V
IH
Leakage current TCL input
I
LI
V
SS
≤
V
TCL
≤
V
OUTPUT
V
input resistance
R
VIN
Comparator reference
6)7)
V
REF
T
J
= +25
°
C
V
REF
Comparator hysteresis
7)
V
HY
I
Lmax
0.4
0.2
0.2
0.06
V
V
V
V
0.4
0.4
0.2
3.5
1.8
1.0
4.1
1.9
1.1
V
V
V
V
2.0
0.8
V
V
μ
A
M
V
V
mV
V
OUTPUT
0.05
100
1.25 1.275
1.24
1.30
1.31
2
1)
If INPUT is connected to V
, no reverse current will flow from the OUTPUT to the INPUT, however the supply
current specified will be sank by the OUTPUT to supply the A6155.
2)
The OUTPUT voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range.
3)
Regulation is measured at constant junction temperature using pulse testing with a low duty cycle. Changes in OUTPUT voltage
due to heating effects are covered in the specification for thermal regulation.
4)
The dropout voltage is defined as the INPUT to OUTPUT differential, measured with the input voltage equal to 5.0 V.
5)
Thermal regulation is defined as the change in OUTPUT voltage at a time T after a change in power dissipation is applied,
excluding load or line regulation effects.
6)
The comparator and the voltage regulator have separate voltage references (see “ Block Diagram” Fig. 8).
7)
The comparator reference is the power-down reset threshold. The power-on reset threshold equals the comparator reference
voltage plus the comparator hysteresis (see Fig. 5).
Table 3