參數(shù)資料
型號(hào): NCP9001
廠商: ON SEMICONDUCTOR
英文描述: 1.5 MHz, 600 mA, High−Efficiency, Low Quiescent Current, Adjustable Output Voltage Step−Down Converter
文件頁(yè)數(shù): 2/12頁(yè)
文件大?。?/td> 192K
代理商: NCP9001
NCP9001
http://onsemi.com
2
V
out
= 3.3 V
V
in
= 4.2 V
T
A
= 25
°
C
100
90
80
70
60
50
500
600
400
300
200
100
0
I
out
(mA)
E
Figure 2. Efficiency vs. Output Current
GND
2
VIN
1
Vbattery
4.7 F
EN
3
Enable
LOGIC
CONTROL
& THERMAL
SHUTDOWN
PWM/PFM
CONTROL
ILIMIT
REFERENCE
VOLTAGE
FB
4
LX
5
Q1
10 F
18 pF
R1
R2
2.2 H
Q2
Figure 3. Simplified Block Diagram
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