AS1331
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
6 Electrical Characteristics
V
IN
= 3.6V, V
OUT
= 3.3V, T
AMB
= -40°C to +85ºC. Typical values are at T
AMB
= +25ºC. Unless otherwise specified.
Table 3. Electrical Characteristics
Symbol
Input
V
IN
Input Voltage Range
Minimum Startup Voltage
Undervoltage Lockout
V
UV
Threshold
1
Parameter
Conditions
Min
Typ
Max
Units
1.8
I
LOAD
< 1mA
V
IN
decreasing
1.5
1.6
1.6
5.5
1.8
1.7
V
V
V
Regulation
Output Voltage Adjustable
Version
V
OUT
Output Voltage 3.3V
Output Voltage 3.0V
Output Voltage 2.5V
V
FB
I
FB
FB Voltage Adjustable version
FB Input Current Adjustable
Version
V
OUT
Lockout Threshold
Operating Current
Quiescent Current V
IN
I
Q
I
SHDN
Switches
I
MOS
MOS Switch Leakage
NMOS B, C
R
ON
PMOS A
PMOS D
I
PEAK
Enable
V
ENH
V
ENL
I
EN
EN Input High
EN Input Low
EN Input Current
EN = 5.5V, T
AMB
= 25°C
1
1.4
0.4
100
V
V
nA
Peak Current Limit
V
IN
= 5V, T
AMB
=25°C, Switches A-D
V
IN
= 5V
V
IN
= 5V
V
OUT
= 3.3V
L = 6.8µH, V
IN
= 5V
450
0.01
0.13
0.17
0.21
600
750
1
µA
Ω
Ω
Ω
mA
Quiescent Current V
OUT
Shutdown Current
V
IN
= 5V
V
IN
= 5V, V
OUT
= 3.6V, V
FB
= 1.3V
EN = 0V, V
OUT
= 0V,
T
AMB
= +25ºC
2
20
0.01
6
32
1
µA
µA
µA
2
2.50
3.201
No Load
2.910
2.425
No Load
V
FB
= 1.3V, T
AMB
= 25°C
Rising Edge
2.0
1.212
3.3
3.0
2.5
1.25
1
2.15
3.30
3.399
3.090
2.575
1.288
100
2.3
V
V
V
V
V
nA
V
Low Battery & Power-OK
LBI Threshold
LBI Hysteresis
LBI Leakage Current
LBO Voltage Low
3
Falling Edge
1.212
1.25
10
1.288
V
mV
LBI = 5.5V, T
AMB
= 25°C
I
LBO
= 1mA
LBO = 5.5V, T
AMB
= 25°C
LBI = 0V, Falling Edge
90
1
0.05
1
92.5
100
0.2
100
95
nA
V
nA
%
LBO Leakage Current
Power-OK Threshold
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