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AS1345 Arkusz danych(PDF) 7 Page - ams AG

Numer części AS1345
Szczegółowy opis  18V, High Efficiency, DC-DC Step-Up Converter
PDF  29 Pages
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Producent  AMSCO [ams AG]
Strona internetowa  http://www.ams.com
Logo AMSCO - ams AG

AS1345 Arkusz danych(HTML) 7 Page - ams AG

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ams Datasheet, Confidential: 2013-Nov [1-51]
AS1345 – 7
El ec trical Charac t e ristics
All limits are guaranteed. The parameters with Min and Max
values are guaranteed by production tests or SQC (Statistical
Quality Control) methods.
Figure 7:
VDD = VSHDNN = VSWIN = 3.7V, VOUT = 15V, CIN = COUT = 10μF, typical values @ TAMB = +25ºC
(unless otherwise specified)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
TAMB
Operating temperature range
-40
+85
°C
TJ
Operating junction
temperature range
-40
+110
°C
Input
VDD
Supply voltage range
SWIN connected to VDD
2.9
5.0
V
Minimum startup voltage
VDD = SWIN
2.7
V
VUVLO
VDD undervoltage lockout
VDD decreasing (50mV
Hysteresis)
2.7
V
Regulation
VOUT
Adjustable output voltage
range
External FB divider
5
18
V
Feedback voltage tolerance
Tolerance of FB resistors not
included
-3
+3
%
Fixed output voltage
Internal FB divider
12
V
15
17
VFB
Feedback voltage
For adjustable VOUT only
1.25
V
Feedback input current
10
1000
nA
Line regulation
VDD = 3.5V to 3.7V
200
mV
Load regulation
VOUT = 15V, ILOAD = 0mA to
5mA
50
mV
η
Efficiency
L = 22μH, VDD = VSWIN =
3.7V,
VOUT = 15V, ILOAD = 10mA
90
%
Electrical Characteristics



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