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AS3691
Datasheet
6 Characteristics
6.1 Absolute Maximum Ratings
Stresses beyond those listed in Table 1 may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated in Section 5
Electrical Characteristics is not implied.
Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Table 3 – Absolute Maximum Ratings
Symbol
V DDMAX
V INVREG
V IN5V
V IN15V
Parameter
Supply for LEDs
VREG Supply voltage
5V Pins
15V Pins
Min
-0.3
-0.3
-0.3
-0.3
Max
>17
7.0
VREG+
0.3V
17
Unit
V
V
V
V
Note
See notes 1
Applicable for pin VREG
Applicable for 5V pins 2
Applicable for CURR1, CURR2,
CURR3 and CURR4
I IN
T STRG
Input Pin Current
Storage Temperature Range
-25
-55
+25
125
mA At 25oC, Norm: Jedec 17
° C
Humidity
5
85
%
Non condensing
two layer FR4-Cu PCB
V ESD
PT
P DERATE
T BODY
Electrostatic Discharge
Total Power Dissipation
PT Derating Factor
Body Temperature during
Soldering
-2000
2000
2.0
23
260
V
W
mW/
° C
° C
Norm: MIL 883 E Method 3015
At 50oC, no airflow for QFN24 on
3
See notes 3
according to IPC/JEDEC J-STD-
020C
Notes:
1.
2.
3.
As the AS3691 is not directly connected to this supply. Only the parameters V INVREG , V IN5V and
V IN15V have to be guaranteed by the application
All pins except CURR1, CURR2, CURR3 and CURR4
Depending on actual PCB layout and especially number of vias below the exposed pad – see layout
recommendations; can be improved e.g. with Al-PCB or airflow
6.2 Operating Conditions
Table 4 – Operating Conditions
Symbol
VDD
Parameter
Main Supply
Min
Typ
Max
Not
Limited
Unit
V
Note
Supply is not directly connected to
the AS3691 – see section ‘Shunt
Regulator’
VDD TOL Main Supply Voltage Tolerance
-20
+20
%
Applies only for supply VREG is
connected via Rvdd
VREG INT
VREG EXT
Supply (shunt regulated by
AS3691)
5.0
4.5
5.2
4.75
5.4
5.0
V
V
If internally (shunt-)regulated by
D1
If externally supplied
Excluding current through shunt
IVREG
Supply Current
2.5
mA regulator (D1) – see section
‘Shunt Regulator’
T AMB
Ambient Temperature
-20
25
85
° C
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