LB1875 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LB1875 Datasheet PDF : 17 Pages
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Pin Descriptions
Pin number
1
Pin name
VREG
LB1875
Equivalent circuit
VCC
1
Pin function
5V regulator output (control circuit
power supply)
For stable operation, pin should be
connected to ground via a capacitor
(0.1 µF or more).
2
XI
VREG
3
XO
4
S/S
VREG
5
CLKSEL
VREG
A11350
3
2
Pin 2: Quartz oscillator input. Maximum
oscillation frequency is 10 MHz
Pin 3: Quartz oscillator output
Generates reference clock. When an
external clock (several MHz) is used,
connect a resistor of about 13 kΩ in
series to the XI pin, so that the signal is
input via the resistor. Leave the XO pin
open.
A11351
30 kΩ
5.6 KΩ
Start/stop pin
Low: Start
High: Stop
High when open.
4
A11352
30 kΩ
5.6 kΩ
5
Divisor selector pin
"L": (divisor 3072): 0 to 1.0V
"M": (divisor 1024): 2.0 to 3.0V
"H": (divisor 4093): 4.0V to VREG
High when open.
A11353
Continued on next page
No. 6002-12/17
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