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LC72349G View Datasheet(PDF) - SANYO -> Panasonic

Part Name
Description
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LC72349G Datasheet PDF : 14 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
LC72348G/W, 72349G/W
Note: * C(1), C(2), and C(3) must be connected even if an LCD is not used.
0.1 to 1 µF
C(C1)
0.1 to 1 µF
0.1 to 1 µF
C(C2)
C(C3)
DBR1
DBR2
DBR3
DBR4
Notes: *1. The capacitors C(1), C(2), and C(3) must be connected to the DBR pins.
*2. VSENSE
When the VDD voltage drops, the VSENSE flag is set when that voltage is 1.75 V (typical). Applications can
check the VSENSE flag using the TST instruction. Battery or other power source depletion can be easily
measured by monitoring this flag.
Note that the voltage for VSENSE detection differs for the falling and rising directions. Thus, after the VSENSE
flag has been set due to a voltage drop, it will not be reset if the voltage rises by under 0.1 V.
VDD
VDD
1.9 V
1.6 V
RESET
SET
VSENSE (1)
t
For a falling voltage
*3. Halt mode current measurement circuit
2.1 V
1.7 V
SET
RESET
VSENSE (2)
t
For a rising voltage
*4. Backup mode current measurement circuit
7 pF
A
75 kHz
XOUT VDD RESDBR1
XIN
7pF
DBR2
DBR3
FMIN
AMIN
TEST1, 2
DBR4
VSS
PA, PF
AGND
AIN
0.1 µF
0.1 µF
0.1 µF
7 pF
A
75 kHz
XOUT VDD RESDBR1
XIN
7pF
DBR2
DBR3
FMIN
AMIN
TEST1, 2
DBR4
VSS
AGND
AIN
0.1 µF
0.1 µF
0.1 µF
With all ports other than those specified above left open.
With output mode selected for PC and PD.
With segments S13 to S20 selected.
With all ports other than those specified above left open.
With output mode selected for PC and PD.
With segments S13 to S20 selected.
No. 6472-5/14
 

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