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NCP1521 데이터시트(PDF) 2 Page - ON Semiconductor

부품명 NCP1521
상세설명  1.5 MHz, 600 mA, High?묮fficiency, Low Quiescent Current, Adjustable Output Voltage Step?묭own Converter
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제조업체  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1521 데이터시트(HTML) 2 Page - ON Semiconductor

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NCP1521
http://onsemi.com
2
Vout = 3.3 V
Vin = 4.2 V
TA = 25°C
100
90
80
70
60
50
500
600
400
300
200
100
0
Iout (mA)
Figure 3. Efficiency vs. Output Current
GND
2
VIN
1
Vbattery
4.7
mF
EN
3
Enable
LOGIC
CONTROL
& THERMAL
SHUTDOWN
PWM/PFM
CONTROL
ILIMIT
REFERENCE
VOLTAGE
FB
4
LX
5
Q1
10
mF
18 pF
R1
R2
2.2
mH
Q2
Figure 4. Simplified Block Diagram


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