LB11876 查看數據表（PDF） - SANYO -> Panasonic
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LB11876
SANYO -> Panasonic
LB11876 Datasheet PDF : 15 Pages
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LB11876
Continued from preceding page.
Pin No.
Pin
Description
13
PWM
Sets the PWM oscillator frequency.
Connect a capacitor between this pin and ground.
A 620pF capacitor sets the oscillator frequency to be
about 50kHz.
VREG
Equivalent Circuit
200Ω
13
1kΩ
14
CLD
Phase lock signal mask time setting
A mask time of about 90ms can be set up by
connected a capacitor (about 0.1μF) between this pin
and ground.Leave this pin open if there is no need to
mask the phase lock signal.
VREG
300Ω
14
15
CSD
Constraint protection circuit operating time setting and
initialization pulse setting
A protection circuit operating time of about 1 seconds
can be set up by connecting a capacitor (about
0.068μF) between this pin and ground. Connect both a
capacitor and a resistor (about 220kΩ and 4700pF) in
parallel between this pin and ground if this protection
circuit is not used.
VREG Reset circuit
300Ω
15
16
VREG Stabilized power supply output (5V output)
Connect a capacitor between this pin and ground for
power supply stabilization.
(About 0.1μF)
VREG
16
Continued on next page.
No.8317-9/15
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