L4925 데이터 시트보기 (PDF) - STMicroelectronics
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L4925 Datasheet PDF : 14 Pages
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Electrical specifications
2
Electrical specifications
L4925
2.1
Note:
Absolute maximum ratings
Table 3. Absolute maximum ratings
Symbol
Parameter
VSDC
VSTR
IO
VO
VRES
IRES
Tstg
Tj
Tj-SD
DC operating supply voltage
Transient supply voltage (t < 1s)
Output current
Output voltage
Output voltage
Output current
Storage temperature
Operating junction temperature
Thermal shutdown-junction temperature
Value
Unit
28
V
40
V
internally limited
20
V
20
V
5
mA
-55 to 150
C
-40 to 150
C
165
C
The circuit is ESD protected according to MIL-STD-883C. According to ISO/DIS 7637 the
transients must be clamped with external circuitry (see Application Circuit).
2.2
Electrical characteristics
VS =14 V; Tj = –40 to 125 °C unless otherwise specified.
Table 4. Electrical characteristics
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
VO
VO
VDP
VIO
VOL
VOLO
ILIM
IQSE
IQ
Output voltage
Output voltage
Dropout voltage
Input to output voltage
difference in undervoltage
condition
Line regulation
Load regulation
Current limit
Quiescent current
Quiescent current
VI = 6 to 28 V; IO = 1 to 500 mA
VI = 35 V; T < 1 s;
IO = 1 to 500 mA
IO = 100 mA
IO = 500 mA
VI = 4 V; IO = 100 mA
VI = 6 to 28 V; IO = 1 to 1 mA
IO = 1 to 500 mA
VO = 4.5 V;
VO = 0; Foldback characteristic
IO = 0.3 mA
IO = 500 mA
4.90
5
5.10
V
5.50
V
0.2
0.3
V
0.3
0.6
V
0.5
V
10
mV
50
mV
550 1000 1500 mA
250
mA
190 360
µA
20
mA
6/14
Doc ID 1770 Rev 8
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