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E521.14 Datasheet(PDF) 10 Page - ELMOS Semiconductor AG

Part # E521.14
Description  High efficiency 5V DC/DC buck converter
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Manufacturer  ELMOS [ELMOS Semiconductor AG]
Direct Link  http://www.elmos.de
Logo ELMOS - ELMOS Semiconductor AG

E521.14 Datasheet(HTML) 10 Page - ELMOS Semiconductor AG

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CAN/LIN SBC Family with DC/DC Voltage Regulator
E521.02/03/04/12/13/14
PRODUCTION DATA – Mar 7, 2016
No.
Description
Condition
Symbol
Min
Typ
Max
Unit
1
Power on threshold according to
pin VS
VVS,PU
4
5
V
2
Power down threshold according
to pin VS
VVS,PD
2.0
2.5
V
Table 4: DC Characteristics POR
4.1.1 Internal Time Base
No.
Description
Condition
Symbol
Min
Typ
Max
Unit
1
Internal time base, started auto-
matically on demand. Most times
specified are derived from this
internal time base directly or by
using prescalers.
tOSC
0.875
1.125
μs
Table 5: AC Characteristics
4.2 SBC Operating Modes
No.
Description
Condition
Symbol
Min
Typ
Max
Unit
1
time out in SBC states INIT and
RESTART
tTO,INIT
230
256
290
ms
2
time out in SBC states INIT and
RESTART for VDD1 start up
VS rises above V
ON-
OFF,VS in before and
not fallen below
V
ON-OFF_f,VS
tTO,VDD1
1.4
1.5
1.8
s
3
duration for changes between
SBC states
detection of vaild
state change condi-
tion
tMODE_CHANGE
8
µs
4
VS voltage threshold to be
exceeded in order to start timeout
t
TO,VDD1
1)
VON-OFF,VS
6.3
6.6
6.9
V
5
VS voltage threshold to be under-
flow in order to deactivate timeout
t
TO,VDD1
1)
VON-OFF_f,VS
5.75
6.05
6.35
V
Table 6: AC Characteristics
1) Hysteresis is designed to 550mV, Not production tested
ELMOS Semiconductor AG reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.
Elmos Semiconductor AG
Data Sheet
QM-No.: 25DS0093E.01
10 / 82


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