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LTC4091 Datasheet(PDF) 9 Page - Linear Technology

Part # LTC4091
Description  36V Battery Charger and Power Backup Manager
PDF  26 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4091 Datasheet(HTML) 9 Page - Linear Technology

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LTC4091
9
4091fa
For more information www.linear.com/LTC4091
BLOCK DIAGRAM
–
+
0.25V
SOFT-START2
–
+
–
+
TOO
COLD
TOO
HOT
GND
0.1V
NTC ENABLE
VNTC
NTC
T
10k
RPROG
10k
PROG
CHG
1V
–
+
–
+
VC CLAMP
CHARGE CONTROL
CONTROL LOGIC
VOLTAGE DETECT
COUNTER
OSCILLATOR
TA
DIE
TEMP 105°C
2.9V
BATTERY
UVLO
4.1V/4V
RECHARGE
UVLO
OUT BAT
ICHG
BAT UV
RECHRG
HOLD
RESET
NTCERR
CLK
EOC
C/10
–
+
–
+
VSET
3.6V
HVOUT
OUT
OUT
GATE
BAT
Li-Ion
BAT
TIMER
V4P1
CTIMER
CHRG
STOP
HVPR
4091 BD
EDA
D1
C2
L1
CC
RC
CF
VINGD
VIN
VC
CC/CV REGULATOR
CHARGER
ENABLE
–
+
4.25V (RISING)
3.15V (FALLING)
–
+
R
S
RT
C1
SYNC
RT
RUN/SS
–
+
+
75mV (RISING)
25mV (FALLING)
100mV
GM
BOOST
Q1
SW
15mV
25mV
IDEAL
DIODE
Q
DRIVER
+–
+–
OSCILLATOR
200kHz - 2.4MHz
SOFT-START
INTERNAL
REFERENCE
IL
–
+
+
C3
21
22
3
1
4
2
9
6
5
15, 23
17
8
14
10
13
7
18
20
19
11, 12



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