LTC1732-8.4 Просмотр технического описания (PDF) - Linear Technology
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LTC1732-8.4 Datasheet PDF : 12 Pages
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LTC1732-8.4
BLOCK DIAGRA
CHRG
3
4 TIMER
10 ACPR
UNDERVOLTAGE
LOCKOUT
VCC = 8.2V
VCC
8
8.05V
C5
35µA
C1
C/10 STOP RECHRG C/10
ACPR UVLO
SHDN
SLP
OSCILLATOR
VREF
COUNTER
+
C3
A1
–
80Ω
720Ω
800Ω
C4
–
CA
+
C2
LBO
VA
VCC
2.5µA
+– 54mV
SENSE
9
RSENSE
DRV
7
BAT
1
4.9V
SEL*
2
VREF
2.457V
BATTERY CURRENT IBAT = (2.457V • 800Ω)/(RPROG • RSENSE)
PROG
6
RPROG
CHARGE
GND
5
1732-8.4 BD
*THE LTC1732-8.4 IS OPTIMIZED FOR 2-CELL (8.4V) Li-Ion BATTERIES.
CONNECT THE SEL PIN TO VCC. FOR CHARGING 8.2V BATTERIES USING
THE LTC1732, PLEASE CONTACT THE FACTORY
17328f
6
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