NCP1421 View Datasheet(PDF) - ON Semiconductor
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Description
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NCP1421 Datasheet PDF : 14 Pages
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NCP1421
0.5 V Chip
Enable
FB
+
1
-
PFM
REF
4
Voltage
Reference
LBI/EN
2
1.20 V
+
-
VBAT
BAT
M3 5
ZLC +
-
+
20 mV
CONTROL LOGIC
TRUE CUTOFF
CONTROL
_ZCUR _TSDON
VDD
_MSON
_MAINSW2ON
M2
SENSEFETt
M1
LX
VDD 7
OUT
8
VOUT
_CEN
GND
_PFM
VDD
_MAINSWOFD
_SYNSW2ON
6
GND
_SYNSWOFD
_VREFOK
_ILIM
+
-
GND
RSENSE
+
GND
LBO
3
GND
Figure 1. Detailed Block Diagram
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