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AS1340 Arkusz danych(PDF) 4 Page - ams AG

Numer części AS1340
Szczegółowy opis  50V, Micropower, DC-DC Boost Converter
PDF  17 Pages
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Producent  AMSCO [ams AG]
Strona internetowa  http://www.ams.com
Logo AMSCO - ams AG

AS1340 Arkusz danych(HTML) 4 Page - ams AG

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www.ams.com/DC-DC_Step-Up/AS1340
Revision 1.20
4 - 17
AS1340
Datasheet - Electrical Character i s t ics
6 Electrical Characteristics
VCC = EN = 2.7V, TAMB = -40 to +85ºC (unless otherwise specified). Typical values are at TAMB = +25ºC.
Note:
All limits are guaranteed. The parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality
Control) methods.
Table 3. Electrical Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Unit
TAMB
Operating Temperature Range
-40
+85
°C
VCC
Supply Voltage
2.7
5.5
V
VIN
Inductor Input Voltage Range
2.7
50
V
VOUT
Output Voltage Range
2.7
50
V
ICC
Quiescent Supply Current
VFB = 1.3V, VIN = 5V
30
50
µA
Enable Supply Current
EN = GND
0.1
1
µA
VLNR
VCC Line Regulation
VOUT = 18V, ILOAD = 1mA, VIN = 5.5V,
VCC = 2.7 to 5.5V
0.3
%/V
VIN Line Regulation
VOUT = 18V, ILOAD = 1mA,
VCC = 5V, VIN = 2.7 to 5.5V
0.25
%/V
VLDR
Load Regulation
VOUT = 18V, VCC = VIN = 5V, ILOAD = 0 to
20mA
0.02
%/mA
Efficiency
L1 = 10µH, VIN = 5.5V, VOUT = 20V, ILOAD =
100mA
88
%
VFB
Feedback Set Point
1.225
1.25
1.275
V
IFB
Feedback Input Bias Current
VFB = 1.3V
5
100
nA
DC-DC Switches
VOUT max
VIN = 5.5V, ILOAD = 0mA
50
V
ILX(MAX)
LX Switch Current Limit
VIN = 5.5V, ILOAD > 20mA
1.41
A
RLX
LX On-Resistance
VCC = 5.5V, ILX = 100mA
0.6
RP_ON
Switch On-Resistance
VIN = 5.5V, PMOS
0.2
ILX_LEAK
LX Leakage Current
VLX = 50V
2
µA
IP_LEAK
Switch Leakage Current
VIN = 5.5V, PMOS
0.5
Control Inputs
VIH
EN Input Threshold
2.7V
VCC  5.5V
0.8 x
VCC
V
VIL
0.2 x
VCC
IEN
EN Input Bias Current
VCC = 5.5V, VEN = 0 to 5.5V
-1
+1
µA
POK Output
VOL
POK Output Low Voltage
POK sinking 1mA
0.01
0.2
V
POK Output High Leakage Current
POK = 5.5V
100
500
nA
POK Threshold
Rising edge, referenced to VOUT(NOM)
87
90
93
%
Oscillator
fCLK
Oscillator Frequency
0.85
1
1.15
MHz
Maximum Duty Cycle
85
90
95
%



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