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AS3636 Datasheet(PDF) 4 Page - ams AG

Part # AS3636
Description  Photosensor support
PDF  42 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3636 Datasheet(HTML) 4 Page - ams AG

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www.austriamicrosystems.com
Revision 0.7
4 - 42
with additional features
with photosensor
AS3636
Preliminary Datasheet, Confidential - 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
VBAT = +2.7V to +5.5V, TAMB = -30ºC to +85ºC, unless otherwise specified. Typical values are at VBAT = +3.7V, TAMB
= +25ºC, unless otherwise specified.
Table 3. Electrical Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Unit
General Operating Conditions
VBAT
Supply Voltage
2.7
3.7
4.4
V
VBATFUNCT
IONAL
Supply Voltage
AS3636 functionally working, but not all
parameters fulfilled
2.3
5.5
1
V
ISHUTDOWN
2
Shutdown Current
Shutdown or standby mode, VBAT<3.7V
0ºC < TAMB < 50ºC
0.5
1.0
TBD
µA
ISTANBY
1
Standby Current
ISTROBEWAI
T
Current when AS3636
is waiting for strobe
DCDC operating, IGBT driver enabled
5
mA
TAMB
Operating
Temperature
-30
25
85
ºC
VUVLO
Undervoltage Lockout
Falling VVIN
2.1
2.2
2.3
V
Rising VVIN
VUVLO
+0.05
VUVLO
+0.1
VUVLO
+0.15
V
TOVTEMP
Overtemperature
Protection
Junction temperature
144
ºC
TOVTEMPHY
ST
Overtemperature
Hysteresis
5ºC
Fuse
RFUSE
Fuse resistance
Fuse melting times: see Table 2 on page 3
0.2
Ω
EEPROM
tEE_WRITE
EEPROM writing time
10
14.5
24
ms
Xenon Capacitor Charger
VTRIPRANGE Programming range of
VTRIP
6 bit programming measured on pin SW_F
Allows in-circuit trimming of the final charged
voltage VFLASH on capacitor CFLASH
28.5
34.8
V
VTRIP
Δ
Comparator trip
voltage accuracy
VFLASH=328V, TJ=15ºC...50ºC
using nominal valued components
-0.5
+0.5
%
VFLASH=328V
using nominal valued components
-1.5
+0.5
%
η
Charging Efficiency
System Target only; depends on external
components used
60
%
VSW
Maximum voltage on
pin SW
50
V
ISW
Switching current limit
Accuracy at typical setting
-10%
750
+10%
mA
Adjustable range by register
switch_current_selection (see page 29)
375
750
900
mA
tEOC_DET
end of charge comparator trigger time - see
Figure 4, “AS3636 Internal Circuit,” on page 9
128
138
148
ns
DCDC Step Up Converter
VVOUTBOOS
T
DCDC Boost output
Voltage (pin
VOUTBOOST)
Voltage feedback mode
(e.g. if used for IGBT driver)
4.75
5.0
5.25
V
Current feedback mode; max. VVOUTBOOSTMAX
VLED+0.4
V



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