AS1343 austriamicrosystems AG, AS1343 Datasheet - Page 4

• Manufacturer Part Number: AS1343
• Description: DC-DC Boost Converter
• Manufacturer: austriamicrosystems AG

AS1343
Datasheet - 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
6 Electrical Characteristics
V
Table 3. Electrical Characteristics
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DC-DC Switches
Control Inputs
POK Output
Oscillator
CC
I
Symbol
I
I
LX_LEAK
ΔV
ΔV
LX(MAX)
R
P_LEAK
I
V
SHDN
V
f
= EN = 3.6V, T
V
R
V
P_ON
V
I
I
V
CLK
OUT
I
EN
FB
η
CC
Q
LNR
LDR
FB
OL
LX
IH
IL
Feedback Input Bias Current
POK Output High Leakage
Minimum Start-Up Voltage
POK Output Low Voltage
Switch Leakage Current
LX Switch Current Limit
Output Voltage Range
Maximum Duty Cycle
Oscillator Frequency
V
LX Leakage Current
EN Input Threshold
Quiescent Current
NMOS Switch On-
PMOS Switch On-
Shutdown Current
Feedback Voltage
AMB
CC
EN Input Current
Load Regulation
POK Threshold
Supply Voltage
Parameter
Line Regulation
Resistance
Resistance
Efficiency
= -40 to +85ºC (unless otherwise specified). Typ values are at T
Current
L
Falling edge, referenced to V
1
= 6.8µH, V
V
EN = GND, T
V
OUT
Revision 1.04
OUT
V
OUT
I
0.9V ≤ V
V
POK sinking 1mA
LOAD
I
V
SWout
CC
= 15V, I
= 12V, I
I
EN
V
POK = 3.6V
OUT
LX
V
Condition
EN = GND
V
P-channel
= 6V, V
OUT
= 1.8 to 3.6V
FB
LX
= 0 to 3.6V
= 0 to 20mA
= 100mA
= -100mA
= 12V, I
= 1.3V
= 42V
CC
= 15V,
AMB
LOAD
LOAD
FB
≤ 3.6V
=1.3V
= +25ºC
= 1mA,
= 1mA
LOAD
OUT(NOM)
= 50mA
1.225
0.8 x
0.85
Min
V
AMB
0.9
5.5
87
90
CC
= +25ºC.
0.95
0.02
0.05
0.01
1.25
1.45
0.01
Typ
0.9
0.3
22
85
15
10
90
95
1
1
1
1
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1.275
0.2 x
Max
1.15
100
V
500
3.6
1.5
1.0
0.2
42
30
93
1
1
3
CC
%/mA
MHz
Unit
%/V
4 - 17
µA
µA
µA
nA
nA
nA
nA
%
%
%
V
V
V
V
Ω
V
V
A