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CD00257532 数据表(PDF) 7 Page - STMicroelectronics

部件名 CD00257532
功能描述  Multifunction very low drop voltage regulator
PDF  19 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

CD00257532 数据表(HTML) 7 Page - STMicroelectronics

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L4949ED-E, L4949EP-E
Electrical specifications
Doc ID 16823 Rev 1
7/19
2
Electrical specifications
2.1
Absolute maximum ratings
2.2
Thermal data
Table 3.
Absolute maximum ratings(1)
1.
The circuit is ESD protected according to MIL-STD-883C.
Symbol
Parameter
Value
Unit
VSDC
DC operating supply voltage
28
V
VSTR
Transient supply voltage (T < 1s)
40
V
IO
Output current
Internally limited
VO
Output voltage
20
V
VRES, VSO Output voltage
20
V
IRES, ISO Output current
5
mA
VCT
Reset delay voltage
7
V
VSIDC
Sense input voltage
28
V
VZ
Preregulator output voltage
7
V
IZ
Preregulator output current
5
mA
TJ
Junction temperature
-40 to +150
°C
Tstg
Storage temperature range
-55 to +150
°C
Table 4.
Thermal data
Symbol
Description
SO-8
SO20L
Unit
Rth j-amb
Thermal Resistance Junction-ambient (max)
200
50
°C/W
Rth j-pins
Thermal Resistance Junction-pins (max)
15
°C/W
TJSD
Thermal Shutdown Junction temperature
165
°C



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