參數(shù)資料
型號: NCP1521ASNT1G
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: 1.5 MHz, 600 mA, High−Efficiency, Low Quiescent Current, Adjustable Output Voltage Step−Down Converter
中文描述: 1.2 A SWITCHING REGULATOR, 1800 kHz SWITCHING FREQ-MAX, PDSO5
封裝: LEAD FREE, TSOP-5
文件頁數(shù): 6/17頁
文件大?。?/td> 166K
代理商: NCP1521ASNT1G
NCP1521
http://onsemi.com
6
Figure 13. Soft Start Time (V
IN
= 3.6 V)
Figure 14. Frequency vs. Input Voltage
Figure 15. Frequency vs. Temperature
Figure 16. Load Regulation
Figure 17. Output Voltage vs. Enable Input Pin
Voltage
Figure 18. PFM/PWM Threshold vs. Input
Voltage
0
I
OUT
, OUTPUT CURRENT (mA)
3.0
2.5
1.0
0.5
3.0
100
200
300
400
500
700
1.0
1.5
2.0
2.5
L
O
0.5
0
0.2
0.4
0.6
0.8
1.0
V
IN
, ENABLE INPUT VOLTAGE (V)
0.0
1.4
1.5
1.0
2.0
F
V
IN
, INPUT VOLTAGE (V)
1.3
1.4
1.5
1.6
1.7
1.8
2.7
3.2
3.7
4.2
4.7
5.7
5.2
2.0
1.5
0.0
0.5
O
2.7
3.2
3.7
4.2
4.7
5.2
V
IN
, INPUT VOLTAGE (V)
5.7
I
OUT
= 300 mA
I
OUT
= 600 mA
F
TEMPERATURE (
°
C)
1.2
1.3
1.4
1.5
1.6
1.7
40
20
0
20
40
100
1.8
60
V
IN
= 5.5 V
I
OUT
= 300 mA
80
V
IN
= 3.6 V
600
V
OUT
= 3.3 V
V
OUT
= 1.8 V
V
OUT
= 0.9 V
1.2
V
OUT
= 1.8 V
T
A
= 25
°
C
EN
2 V/Div
V
OUT
500 mV/Div
100 s/Div
0
10
20
30
40
50
60
70
80
90
100
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