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部品番号
コンポーネント説明
MC33466 データシートの表示(PDF) - ON Semiconductor
部品番号
コンポーネント説明
メーカー
MC33466
Fixed Frequency PWM Micropower DC-to-DC Converter
ON Semiconductor
MC33466 Datasheet PDF : 16 Pages
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V
in
330
µ
F
MMBT2907ALT1
1.0 k
100
3
Lx
MC33466
Startup Circuit
MMBT2222ALT1
BZX84C3V3LT1
1.5 k
3.3 V
47
µ
H
MBRD0520LT1
V
O
3.3 V
320 mA
MC33466H–33JT1
V
Lx
Limiter
Drive
PWM
Controller
50 kHz
Oscillator
Phase
Comp
Soft-Start
V
ref
2
Output
330
µ
F
330
µ
F
1 Gnd
Figure 24. MC33466H–33JT1 Step–Down Application
Test
Line Regulation
Load Regulation
Output Ripple
Efficiency
Condition
V
in
= 5.0 V to 10 V, I
O
= 320 mA
V
in
= 7.0 V, I
O
= 3.3 mA to 320 mA
V
in
= 7.0 V, I
O
= 320 mA
V
in
= 7.0 V, I
O
= 320 mA
Results
7.0 mV =
±
0.1%
3.0 mV =
±
0.04%
70 mVpp
63.8%
http://onsemi.com
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