AS1331 查看數據表（PDF） - austriamicrosystems AG
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AS1331 Datasheet PDF : 17 Pages
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AS1331
Datasheet - Electrical Characteristics
6 Electrical Characteristics
VIN = 3.6V, VOUT = 3.3V, TAMB = -40°C to +85ºC. Typical values are at TAMB = +25ºC. Unless otherwise specified.
Table 3. Electrical Characteristics
Symbol
Parameter
Conditions
Min Typ Max
Input
VIN Input Voltage Range
1.8
5.5
Minimum Startup Voltage
ILOAD < 1mA
1.6
1.8
Undervoltage Lockout
VUV Threshold1
VIN decreasing
1.5
1.6
1.7
Regulation
Output Voltage Adjustable
Version
ill VOUT Output Voltage 3.3V
Output Voltage 3.0V
Output Voltage 2.5V
t VFB FB Voltage Adjustable version
G s IFB
FB Input Current Adjustable
Version
A t VOUT Lockout Threshold2
s n Operating Current
e Quiescent Current VIN
IQ
m t Quiescent Current VOUT
ISHDN Shutdown Current
a n Switches
o IMOS MOS Switch Leakage
NMOS B, C
c RON PMOS A
l PMOS D
a IPEAK Peak Current Limit
Enable
ic VENH EN Input High
VENL EN Input Low
n IEN EN Input Current
h Low Battery & Power-OK
VLBI LBI Threshold
cLBI Hysteresis
eLBI Leakage Current
T LBO Voltage Low3
No Load
No Load
VFB = 1.3V, TAMB = 25°C
Rising Edge
2.50
3.201
2.910
2.425
1.212
2.0
VIN = 5V
VIN = 5V, VOUT = 3.6V, VFB = 1.3V
EN = 0V, VOUT = 0V, TAMB = +25ºC
VIN = 5V, TAMB=25°C, Switches A-D
VIN = 5V
VIN = 5V
VOUT = 3.3V
L = 6.8µH, VIN = 5V
450
1.4
EN = 5.5V, TAMB = 25°C
Falling Edge
1.212
LBI = 5.5V, TAMB = 25°C
ILBO = 1mA
3.3
3.0
2.5
1.25
1
2.15
2
20
0.01
0.01
0.13
0.17
0.21
600
1
1.25
10
1
0.05
3.30
3.399
3.090
2.575
1.288
100
2.3
6
32
1
1
750
0.4
100
1.288
100
0.2
Units
valid V
V
V
V
V
V
V
V
nA
V
µA
µA
µA
µA
Ω
Ω
Ω
mA
V
V
nA
V
mV
nA
V
LBO Leakage Current
LBO = 5.5V, TAMB = 25°C
1
100
nA
Power-OK Threshold
LBI = 0V, Falling Edge
90 92.5 95
%
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Revision 1.04
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