LTC4097 데이터 시트보기 (PDF) - Linear Technology
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LTC4097 Datasheet PDF : 20 Pages
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LTC4097
BLOCK DIAGRAM
VNTC
3
R1
RNOM
R2
DCIN
1
–
TOO COLD
+
CC/CV
REGULATOR
+
NTC
6
RNTC
R3
R4
+
4.2V –
–
TOO HOT
DCIN UVLO
+
BAT –
+
NTC_EN
–
SUSPEND
BAT
12
DCON
USBON
CC/CV
REGULATOR
USBIN
2
4V
USBIN UVLO
BAT
10mA MAX
CHRG 4
SUSP 5
LOGIC
RECHRG
TRICKLE
TERM
RSUSP
4.1V
RECHARGE
RHPWR
7 HPWR
TRICKLE
CHARGE
TERMINATION
BAT
2.9V
DC_ENABLE
USB_ENABLE
CHARGER CONTROL
100mV
IBAT/1000
IBAT/1000
IBAT/1000
THERMAL
REGULATION
AND
SHUTDOWN
ITERM
8
RITERM
IDC
10
RIDC
IUSB
9
GND 11, 13
RIUSB
TDIE
115°C
150°C
4097 BD
4097f
10
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