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LB11824 View Datasheet(PDF) - SANYO -> Panasonic

Part Name
Description
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LB11824 Datasheet PDF : 17 Pages
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Continued from preceding page.
Pin No. Symbol
Pin Description
LB11824M
Regulated-voltage output pin (5V output)
15
VREG Connect a capacitor (about 0.1µF) between this pin and
ground for stabilization.
Equivalent circuit
VCC1
15
16
VCC2
Power pin (PWM oscillation, PWM comparator, VCTL amp).
Normally connect to VREG.
VCC1
Voltage detection pin for low-voltage protection. To detect
17
LVS the supply voltage of 5 V or more, connect the zenor diode
in series to set the detection voltage.
18
Power pin (VCC3) for use during application with the supply
voltage of 12 V or more.
18
VCC3
12 V is generated at the 12 REG pin. To use the 12REG
19
12REG pin, connect this pin to VCC1. When not used, keep both
VCC3 and 12 REG open or connect them to GND.
VCC2
PWM waveform comparator pin. Normally used in the open
20
TOC condition. By inputting the voltage directly into this pin, the
output duty can be controlled without using the VCTL amp.
43k
17
18k
19
20
20k
Continued on next page.
No. 7107-7/17
 

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