AN8819NFB Datasheet, PDF (8/11 Pages) Panasonic Semiconductor – 4Ch. Linear Driver IC DC-DC Converter Control for CD

AN8819NFB
s Pin Description (Cont.)
Pin No. Symbol I/O
Pin Description
9 BSEL
Pin switching the dry cell and
I charger battery for battery voltage
detection circuit
ICs for CD/CD-ROM Player
Equivalent Circuit
PVCC
30kΩ 70kΩ
9
10 VSEN
10
Battery voltage detection input pin
I
for battery voltage detection circuit
7.8kΩ
9.9kΩ
7kΩ
37 EMP
Battery shortage detection output
37
I pin for battery voltage detection
circuit
35 RESET
Reset output pin.
O Reset voltage = Output voltage ×
90%
36 MRST
Muting reset output pin.
O Reset voltage = Output voltage ×
90%
40kΩ
35
PVCC
PVCC
60kΩ
20kΩ
36
39 START
Start pin.
O OUT pin starts switching in start
mode
PVCC
PVCC
200kΩ
39
100kΩ