Datasheet
Table Of Contents
- Features
- Applications
- Description
- Typical Application
- Absolute Maximum Ratings
- Pin Configuration
- Order Information
- Electrical Characteristics
- Typical Performance Characteristics
- Pin Functions
- Functional Block Diagram
- Timing Diagram
- Operation
- Applications Information
- Typical Applications
- Package Description
- Typical Application
- Related Parts
LTC4417
29
4417f
Typical applicaTions
Wall Adapter and USB Input with Battery Backup
VS1
V1 V
OUT
VALID1
VALID2
VALID3
5V WALL
ADAPTER
4.35V TO 5.25V
USB
UV1
OV1
R3
412k
R13
1M
R12
1M
R14
1M
R2
37.4k
R1
95.3k
R4
412k
R5
33.2k
R6
100k
R9
432k
R8
80.6k
R7
86.6k
R11
562k
V2
UV2
OV2
R10
52.3k
R
HYS
249k
V3 EN
SHDN
HYS
CAS
UV3
OV3
4417 TA06
G1 VS2 VS3G2
GND
LTC4417
G3
V
OUT
Si4931DY
M5 M6
Si4931DY
M3 M4
Si4931DY
M1 M2
4 × AA
BATTERY
+
C
IN2
10µF
C
VS3
0.1µF
C
VS2
0.1µF
C
VS1
0.1µF
C
V3
0.1µF
C
V2
0.1µF
WALL ADAPTER INVALID
USB INVALID
4 × AA BATTERY INVALID
C
L
47µF
+
C
IN1
1000µF
+
C
V1
0.1µF