AS1321-T(2006) Просмотр технического описания (PDF) - austriamicrosystems AG
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AS1321-T Datasheet PDF : 12 Pages
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AS1321
Data Sheet
austriamicrosystems
5 Electrical Characteristics
TAMB = -40 to +85ºC, VBATT = +2V, VOUT = +5.0, VSHDNN = +1.5V (unless otherwise specified). Typ values @ TAMB = +25ºC.
Table 2. Electrical Characteristics
Parameter
Battery Input Range
Startup Battery Input Voltage 1
Output Voltage 2
N-Channel
On-Resistance
P-Channel On-Resistance
N-Channel Switch Current Limit 1
Switch Maximum
On-Time
Synchronous Rectifier
Zero-Crossing Current
Quiescent Current into OUT
Shutdown Current into OUT
Quiescent Current into BATT
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
Conditions
VBATT
RLOAD = 100Ω, TAMB = +25ºC
VSU
RLOAD = 100Ω, TAMB = -40 to +85ºC
VOUT
TAMB = +25ºC
TAMB = -40 to +85ºC
RNCH
ILX = 100mA, TAMB = +25ºC
ILX = 100mA, TAMB = -40 to +85ºC
RPCH
ILX = 100mA, TAMB = +25ºC
ILX = 100mA, TAMB = -40 to +85ºC
IMAX
TAMB = +25ºC
TAMB = -40 to +85ºC
TAMB = +25ºC
tON
TAMB = -40 to +85ºC
TAMB = +25ºC
TAMB = -40 to +85ºC
VOUT = +5.5V, TAMB = +25ºC
VOUT = +5.5V, TAMB = -40 to +85ºC
VSHDNN = 0V, TAMB = +25ºC
VSHDNN = 0V, TAMB = -40 to +85ºC
VOUT = +5.5V, TAMB = +25ºC
VOUT = +5.5V, TAMB = -40 to +85ºC
VSHDNN = 0V, TAMB = +25ºC
VSHDNN = 0V, TAMB = -40 to +85ºC
VBATT = +1.5 to +5.0V
Rising Edge, TAMB = +25ºC
Rising Edge, TAMB = -40 to +85ºC
ILOAD
η
Falling Edge, TAMB = +25ºC
Falling Edge, TAMB = -40 to +85ºC
IRESETN = 1mA, VOUT = +2.5V,
TAMB = +25ºC
IRESETN = 1mA, VOUT = +2.5V,
TAMB = -40 to +85ºC
VRESETN = +5.5V, TAMB = +25ºC
VRESETN = +5.5V, TAMB = +85ºC
TAMB = +25ºC
TAMB = +85ºC
VBATT = +2V
VBATT = +3V, ILOAD = 100mA
Min
1.5
4.950
4.875
550
450
5
4
8
0
1.185
1.170
4.288
4.242
Typ
1.22
1.24
5.000
0.3
0.4
700
7
30
35
0.01
0.01
0.01
1.228
0.02
4.500
0.1
1
0.1
10
130
91
Max
5.0
1.5
5.050
5.125
1.2
1.5
1.3
1.6
850
950
9
10
60
65
55
60
1
2
1
2
1
2
0.3
1.271
1.286
4.712
4.758
0.15
0.2
100
1000
Unit
V
V
V
Ω
Ω
mA
µs
mA
µA
µA
µA
µA
V
V
V
V
V
nA
nA
mA
%
1. Guaranteed by design.
2. Voltage which triggers next loading cycle. Ripple and rms value depend on external components.
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