AS1322_1 AMSCO [austriamicrosystems AG], AS1322_1 Datasheet - Page 4

• Manufacturer Part Number: AS1322_1
• Description: Low Voltage, Micropower, DC-DC Step-Up Converters
• Manufacturer: AMSCO [austriamicrosystems AG]

AS1322
Data Sheet
6 Electrical Characteristics
T
Table 4. Electrical Characteristics
1. Minimum V
2. Specification is guaranteed by design and not 100% production tested.
3. I
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I
I
R
R
AMB
V
NMOSSWL
V
Symbol
I
PMOSSWL
QSHDNN
I
I
ONNMOS
ONPMOS
SHDNNH
enters a deeply discharged state.
I
SHDNNL
SHDNN
QPWS
QPWS
NMOS
V
f
I
I
SW
I
FB
PS
FB
Q
= -40 to +85ºC, V
is measured at V
Quiescent Current (Shutdown)
Powersave Operation Current
- 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
NMOS Switch On Resistance
PMOS Switch On Resistance
Output Voltage Adjust Range
IN
Minimum Operating Voltage
Quiescent Current (Active)
Minimum Start-Up Voltage
Feedback Input Current
(Powersave Operation)
NMOS Switch Leakage
PMOS Switch Leakage
operation after start-up is only limited by the battery’s ability to provide the necessary power as it
SHDNN Input Current
Switching Frequency
NMOS Current Limit
SHDNN Input High
Quiescent Current
SHDNN Input Low
Feedback Voltage
Max Duty Cycle
IN
Parameter
Threshold
= +1.2V, V
OUT
. Multiply this value by V
OUT
= +3.3, V
SHDNN
V
V
V
FB
FB
FB
= 1V, T
Revision 1.07
T
T
= 1.4V
= 1.4V
AMB
AMB
OUT
= +1.2V (unless otherwise specified). Typ values @ T
AS1322A only
SHDNN = V
V
V
V
I
T
V
V
T
SHDNN
Conditions
LOAD
FB
V
V
V
/V
AMB
SHDNN
AMB
V
V
OUT
OUT
= T
= T
AMB
OUT
OUT
IN
SW
SW
IN
3
= 1.25V
3
, AS1322A only
= 2.5V
MIN
, AS1322B only
MIN
to get the equivalent input (battery) current.
= 25ºC
= 25ºC
= 1mA
= 3.3V
= 3.3V
= 5V
= 0V
= T
= 5V
= 5V
= 5.0V
= 0V
to T
to T
MIN
IN
2
MAX
MAX
1
2
to T
MAX
1.192
0.85
0.95
Min
2.5
80
1
0.85
0.65
1.23
0.01
0.35
0.20
0.45
0.30
0.01
Typ
150
850
0.1
0.1
1.2
1.2
30
87
1
3
1.268
Max
0.85
0.35
300
0.8
0.7
0.8
0.7
1.5
1.5
50
1
5
1
5
5
1
AMB
= +25ºC.
Units
MHz
mA
mA
µA
µA
µA
µA
µA
µA
nA
%
4 - 17
Ω
Ω
V
V
V
V
V
V