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AS1340 データシート(PDF) 4 Page - ams AG

部品番号 AS1340
部品情報  50V, Micropower, DC-DC Boost Converter
PDF  16 Pages
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メーカー  AMSCO [ams AG]
ホームページ  http://www.ams.com
Logo AMSCO - ams AG

AS1340 データシート(HTML) 4 Page - ams AG

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www.austriamicrosystems.com
Revision 1.10
4 - 16
AS1340
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
VCC = EN = 2.7V, TAMB = -40 to +85ºC (unless otherwise specified). Typ values are at TAMB = +25ºC.
Table 3. Electrical Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Unit
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
ΔVLNR
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
ΔVLDR
Load Regulation
VOUT = 18V, VCC = VIN = 5V, ILOAD = 0
to 20mA
0.02
%/mA
η
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
Ω
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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