L4925 Просмотр технического описания (PDF) - STMicroelectronics
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L4925 Datasheet PDF : 14 Pages
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L4925
1
Block and pin connections diagrams
Block and pin connections diagrams
Figure 1. Block diagram
VS
CS
Vz
PREREGULATOR
5V
+
-
GND
REG
VREF
1.23V
Vz
2μ
RESET
L4925
= 2V
VO
CT
RES
D95AT151
Figure 2. PowerSO-20 pin connections (top view)
Connected to pin 1-10-11-20
GND
1
N.C.
2
VS
3
VS
4
N.C.
5
N.C.
6
RES
7
N.C.
8
N.C.
9
GND
10
20
GND
19
N.C.
18
N.C.
17
VOUT
16
VOUT
15
N.C.
14
CT
13
N.C.
12
N.C.
11
GND
D95AT152
1.1
Thermal data
Table 2. Thermal data
Symbol
Parameter
Rth(j-amb)
Rth(j-c)
Thermal resistance junction to ambient
Thermal resistance junction to case (max)
PowerSO-20
15 to 60
3.5
Unit
°C/W
°C/W
Doc ID 1770 Rev 8
5/14
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