ltc4097 Linear Technology Corporation, ltc4097 Datasheet - Page 10
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ltc4097
Manufacturer Part Number
ltc4097
Description
Usb/wall Adapter Standalone Li-ion/polymer Battery Charger
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC4097.pdf
(20 pages)
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BLOCK DIAGRAM
LTC4097
10
CHRG
SUSP
VNTC
R
NTC
R
NOM
NTC
3
6
4
5
10mA MAX
R
R
R
R
1
2
3
4
R
SUSP
LOGIC
RECHRG
TRICKLE
TERM
–
+
+
–
+
–
TOO COLD
TOO HOT
NTC_EN
TERMINATION
DCIN
1
RECHARGE
4.2V
TRICKLE
CHARGE
BAT
+
–
–
+
+
–
SUSPEND
+
–
+
–
100mV
4.1V
2.9V
DCIN UVLO
BAT
REGULATOR
8
ITERM
R
CC/CV
I
ITERM
BAT
/1000
DC_ENABLE
10
DCON
IDC
R
I
CHARGER CONTROL
BAT
IDC
/1000
BAT
12
9
USBON
USB_ENABLE
IUSB
R
I
BAT
IUSB
/1000
GND
11, 13
REGULATOR
CC/CV
REGULATION
SHUTDOWN
USBIN UVLO
THERMAL
AND
+
+
+
–
–
–
–
R
HPWR
4V
BAT
T
115°C
150°C
DIE
USBIN
2
4097 BD
7 HPWR
4097f