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