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LTC4417_15 Datasheet, PDF (25/32 Pages) Linear Technology – Prioritized PowerPat Controller
Typical Applications
LTC4417
12V System Using Swappable and Backup Batteries
12V WALL
ADAPTER
+ CIN1
2200µF
12V NiCd
BATTERY
+
IRF7324
M1
M2
IRF7324
M3
M4
CS
6.8nF
11.1V Li-Ion
BATTERY
(3 × 3.7V)
+
CV3
0.1µF
CV2
0.1µF
R9
1.0M
R8
40.2k
R7
90.9k
CV1
0.1µF
R6
1.02M
R5
36.5k
R4
76.8k
CVS1
0.1µF
CVS2
1µF
VS1 G1
V1
R3
1.02M
UV1
R2
48.7k
OV1
R1
76.8k
V2
UV2
DS
BAT54
RS
2.21k
IRF7324
M5
M6
CVS3
0.1µF
VS2
G2
VS3 G3
VOUT
+ CL
100µF
VOUT
R10 R11 R12
1M 1M 1M
LTC4417
VALID1
VALID2
VALID3
V1 INVALID
V2 INVALID
V3 INVALID
OV2
V3
EN
SHDN
UV3
HYS
CAS
RHYS
316k
OV3
GND
4417 TA02
4417f
25