l5953 STMicroelectronics, l5953 Datasheet - Page 16

• Manufacturer Part Number: l5953
• Description: Multiple Switching Voltage Regulator
• Manufacturer: STMicroelectronics

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