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L5953 Datasheet(PDF) 16 Page - STMicroelectronics

Part # L5953
Description  Multiple switching voltage regulator
PDF  31 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5953 Datasheet(HTML) 16 Page - STMicroelectronics

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Internal pin connections
L5953
16/31
3
Internal pin connections
Figure 7.
Linear regulators
Figure 8.
Reset
Figure 9.
Low voltage warning block diagram.
POWER MOS
VSTBY
VSTBY
CONTROLLER
LINEAR REGULATOR
CONTROLLER
VREF
1.275V
VREF
1.275V
STCAP
VSTBY
ADJ
FGND
FBLR
VLR
VIN
POWER MOS
D03AU1493
Vref
2.5V/1.65V
FROM VST-BY
RES
CT
Vref 1.275V
7.5
μA
D03AU1480
S2
S1
V1
V2
W2
W1
M2
Vref =1.275V
+
-
M1
D03AU1478
Vref =1.275V
+
-



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