AS1320
Data Sheet - Electrical Characteristics
6 Electrical Characteristics
TAMB = -40 to +85ºC, VBATT = +2V, VOUT = +3.3, VSHDNN = +1.5V (unless otherwise specified). Typ values @ TAMB = +25ºC.
Table 3. Electrical Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
3.5
Unit
Battery Input Range
VBATT
1.5
V
RLOAD = 47Ω, TAMB = +25ºC
RLOAD = 47Ω, TAMB = -40 to +85ºC
TAMB = +25ºC
1.22
1.24
1.5
Startup Battery Input Voltage 1
Output Voltage 2
VSU
VOUT
RNCH
RPCH
IMAX
tON
V
V
3.267 3.300 3.333
TAMB = -40 to +85ºC
3.217
3.373
1.2
1.5
1.3
1.6
850
950
9
ILX = 100mA, TAMB = +25ºC
ILX = 100mA, TAMB = -40 to +85ºC
ILX = 100mA, TAMB = +25ºC
ILX = 100mA, TAMB = -40 to +85ºC
TAMB = +25ºC
0.3
0.4
700
7
N-Channel
On-Resistance
Ω
P-Channel On-Resistance
Ω
550
450
5
N-Channel Switch Current Limit 1
mA
µs
mA
µA
µA
µA
TAMB = -40 to +85ºC
TAMB = +25ºC
Switch Maximum
On-Time
TAMB = -40 to +85ºC
4
10
60
65
55
60
1
TAMB = +25ºC
8
30
Synchronous Rectifier
Zero-Crossing Current
TAMB = -40 to +85ºC
0
VOUT = +3.5V, TAMB = +25ºC
VOUT = +3.5V, TAMB = -40 to +85ºC
VSHDNN = 0V, TAMB = +25ºC
VSHDNN = 0V, TAMB = -40 to +85ºC
VOUT = +3.5V, TAMB = +25ºC
VOUT = +3.5V, TAMB = -40 to +85ºC
VSHDNN = 0V, TAMB = +25ºC
VSHDNN = 0V, TAMB = -40 to +85ºC
35
Quiescent Current into OUT
Shutdown Current into OUT
Quiescent Current into BATT
Shutdown Current into BATT
0.01
0.01
0.01
2
1
2
1
µA
V
2
SHDNN Logic Low 1
SHDNN Threshold
VBATT = +1.5 to +3.5V
0.3
Rising Edge, TAMB = +25ºC
1.185 1.228 1.271
1.170 1.286
V
V
V
Rising Edge, TAMB = -40 to +85ºC
SHDNN Threshold Hysteresis
RESETN Threshold
0.02
2.830 3.000 3.110
Falling Edge, TAMB = +25ºC
Falling Edge, TAMB = -40 to +85ºC
2.800
3.140
IRESETN = 1mA, VOUT = +2.5V,
TAMB = +25ºC
0.15
RESETN Voltage Low
V
IRESETN = 1mA, VOUT = +2.5V,
TAMB = -40 to +85ºC
0.2
VRESETN = +5.5V, TAMB = +25ºC
VRESETN = +5.5V, TAMB = +85ºC
TAMB = +25ºC
0.1
1
100
RESETN Leakage Current
LX Leakage Current
nA
nA
0.1
10
1000
TAMB = +85ºC
Maximum Load Current
Efficiency
ILOAD
VBATT = +2V
200
90
mA
%
η
VBATT = +3V, ILOAD = 100mA
1. Guaranteed by design.
2. Voltage which triggers next loading cycle. Ripple and rms value depend on external components.
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