AS1325 데이터 시트보기 (PDF) - austriamicrosystems AG
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AS1325 Datasheet PDF : 17 Pages
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AS1325
Data Sheet - Electrical Characteristics
6 Electrical Characteristics
3.3V Output
TAMB = -40 to +85ºC, VBATT = +2V, VOUT = +3.3, VSHDNN = +1.5V (unless otherwise specified). Typ values @ TAMB = +25ºC.
Table 3. Electrical Characteristics
Parameter
Battery Input Range
Startup Battery Input Voltage 1
Output Voltage 2
N-Channel
On-Resistance
P-Channel On-Resistance
Light Load N-Channel Switch
Current Limit
Maximum N-Channel Switch
Current Limit 1
N-Channel Maximum
On-Time
P-Channel Minimum On-Time
Synchronous Rectifier
Zero-Crossing Current
Quiescent Current into OUT
Shutdown Current into OUT
Shutdown Current into BATT
SHDNN Logic Low 1
SHDNN Threshold
SHDNN Threshold Hysteresis
RESETN Threshold
RESETN Voltage Low
RESETN Leakage Current
LX Leakage Current
Maximum Load Current
Efficiency
Symbol
VBATT
VSU
VOUT
RNCH
RPCH
Conditions
RLOAD = 47Ω, TAMB = +25ºC
RLOAD = 47Ω, TAMB = -40 to +85ºC
TAMB = +25ºC
TAMB = -40 to +85ºC
ILX = 100mA, TAMB = +25ºC
ILX = 100mA, TAMB = -40 to +85ºC
ILX = 100mA, TAMB = +25ºC
ILX = 100mA, TAMB = -40 to +85ºC
Min Typ Max Unit
1.5
3.5 V
1.22 1.5
V
1.24
3.267 3.300 3.333
V
3.217
3.373
0.3 1.2
Ω
1.5
0.4 1.3
Ω
1.6
400
mA
IMAX
tON
ILOAD
η
TAMB = +25ºC
TAMB = -40 to +85ºC
550 700 850
mA
450
950
TAMB = +25ºC
TAMB = -40 to +85ºC
5
7
9
µs
4
10
2
µs
TAMB = +25ºC
TAMB = -40 to +85ºC
8
30
60
mA
0
65
VOUT = +3.5V, TAMB = +25ºC
VOUT = +3.5V, TAMB = -40 to +85ºC
35
55
µA
60
VSHDNN = 0V, TAMB = +25ºC
VSHDNN = 0V, TAMB = -40 to +85ºC
0.01 1
µA
2
VSHDNN = 0V, TAMB = +25ºC
VSHDNN = 0V, TAMB = -40 to +85ºC
0.01 1
µA
2
VBATT = +1.5 to +3.5V
0.3 V
Rising Edge, TAMB = +25ºC
1.185 1.228 1.271
V
Rising Edge, TAMB = -40 to +85ºC 1.170
1.286
0.02
V
Falling Edge, TAMB = +25ºC
2.830 3.000 3.110
V
Falling Edge, TAMB = -40 to +85ºC 2.800
3.140
IRESETN = 1mA, VOUT = +2.5V,
TAMB = +25ºC
IRESETN = 1mA, VOUT = +2.5V,
TAMB = -40 to +85ºC
0.15
V
0.2
VRESETN = +5.5V, TAMB = +25ºC
VRESETN = +5.5V, TAMB = +85ºC
0.1 100
nA
1
TAMB = +25ºC
TAMB = +85ºC
0.1 1000
nA
10
VBATT = +2V
300
mA
VBATT = +3V, ILOAD = 100mA
96
%
1. Guaranteed by design.
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Revision 1.01
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