LB1975 データシートの表示（PDF） - SANYO -> Panasonic
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LB1975 Datasheet PDF : 10 Pages
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Continued from preceding page.
Pin No. Pin name
27
VCTL
Pin voltage
0.0V to 6.7V
LB1975
Function
Output duty cycle control pin.
• VCTL ≤ VCTL1
Duty cycle 0%
• VCTL1 < VCTL < VCTL2
Duty cycle is controlled by VCTL
• VCTL ≥ VCTL2
Duty cycle 100%
Equivalent circuit
31kΩ
VCC
2.35V
40kΩ
27
24
VCREF
28
VCOUT
0.0V to
VCC − 2.0V
VCTL amplifier internal reference voltage pin
(2.35V).
VCC
100µA
0.7V to
VCC − 0.7V
VCTL amplifier output pin.
200Ω
24
23.5kΩ
VCC
28
31kΩ
200Ω
No.6087-7/10
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