LTC1732-4.2 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1732-4.2' PDF : 8 Pages View PDF
LTC1732-4/LTC1732-4.2
BLOCK DIAGRA
UNDERVOLTAGE
LOCKOUT
C5
VUV = 4.1V
C1
CHRG
3
TIMER
4
ACPR
10
35µA
C/10 STOP UVLO RECHRG C/10
ACPR
LOGIC
SHDN
SLP
OSCILLATOR
VREF
COUNTER
+
C3
A1
–
BATTERY CURRENT IBAT = (2.457V • 800Ω)/(RPROG • RSENSE)
VCC
8
3.8V (LTC1732-4)
4.05V (LTC1732-4.2)
80Ω
720Ω
800Ω
C4
–
CA
+
C2
LBO
+– 54mV
SENSE
9
DRV
7
BAT
1
SEL
2
VCC
2.5µA
PROG
6
RPROG
VA
VREF
2.457V
CHARGE
GND
5
1732 BD
RSENSE
6
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