LTC4011 Linear Technology, LTC4011 Datasheet - Page 17

• Manufacturer Part Number: LTC4011
• Description: High Efficiency Standalone Nickel Battery Charger
• Manufacturer: Linear Technology

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APPLICATIO S I FOR ATIO
4
4.5V TO 34V
ADAPTER
FROM
U
R
20k
U
4.5V TO 34V
ADAPTER
3k
FROM
R
49.9k
3k
Figure 7. 3A NiMH Charger with Full PowerPath Control
W
R
3k
0.1µF
49.9k
Figure 6. Minimum LTC4011 Application
INFET
FAULT
CHRG
TOC
READY
DCIN
TIMER
GND
CHEM
V
INTV
RT
0.1µF
LTC4011
DD
INFET
FAULT
CHRG
TOC
READY
TIMER
GND
CHEM
V
INTV
U
10k
RT
R5
BGATE
SENSE
TGATE
V
LTC4011
PGND
V
V
DD
TEMP
CDIV
CELL
BAT
V
CC
0.033µF
BGATE
SENSE
TGATE
V
PGND
V
V
TEMP
CDIV
CELL
BAT
V
10k
CC
10k
R2
R2
4011 F06
33nF
0.068µF
20µF
10µH
33mΩ
10µF
10µH
0.1Ω
D1
6V
10.7k
30.9k
NiCd
PACK
(1AHr)
Q4
10µF
TO
SYSTEM
LOAD
4011 F07
NiMH PACK
WITH 10k NTC
(3AHr)
20µF
TO
SYSTEM
LOAD
LTC4011
17
4011p