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參數資料
| 型號： | NCP1421 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 600 mA Sync-Rect PFM Step-Up DC-DC Converter with True-Cutoff and Ring-Killer(帶真切斷（true-cutoff）和振蕩消除（ring-killer）的600mA同步整流PFM步升DC-DC 轉換器) |
| 中文描述： | 600毫安同步整流PFM升壓型DC - DC轉換器與True - Cutoff和Ring殺手（帶真切斷（真實截止）和振蕩消除（環殺手）的600毫安同步整流PFM型步升的DC - DC轉換器） |
| 文件頁數： | 6/14頁 |
| 文件大小： | 116K |
| 代理商： | NCP1421 |
NCP1421
http://onsemi.com
6
TYPICAL OPERATING CHARACTERISTICS
50
60
70
80
90
100
1
10
100
1000
V
IN
= 1.5 V
V
OUT
= 1.8 V
L = 2.2 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
OUTPUT LOADING CURRENT, I
LOAD
/mA
E
50
60
70
80
90
100
1
10
100
1000
V
IN
= 1.5 V
V
OUT
= 5.0 V
L = 2.2 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
OUTPUT LOADING CURRENT, I
LOAD
/mA
E
50
60
70
80
90
100
1
10
100
1000
V
IN
= 2.0 V
V
OUT
= 3.3 V
L = 10 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
OUTPUT LOADING CURRENT, I
LOAD
/mA
E
50
60
70
80
90
100
1
10
100
1000
V
IN
= 2.5 V
V
OUT
= 5.0 V
L = 6.8 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
OUTPUT LOADING CURRENT, I
LOAD
/mA
E
50
60
70
80
90
100
1
10
100
1000
V
IN
= 2.5 V
V
OUT
= 3.3 V
L = 10 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
OUTPUT LOADING CURRENT, I
LOAD
/mA
E
50
60
70
80
90
100
1
10
100
1000
Figure 8. Efficiency vs. Load Current
Figure 9. Efficiency vs. Load Current
Figure 10. Efficiency vs. Load Current
Figure 11. Efficiency vs. Load Current
Figure 12. Efficiency vs. Load Current
Figure 13. Efficiency vs. Load Current
V
IN
= 3.3 V
V
OUT
= 5.0 V
L = 12 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
OUTPUT LOADING CURRENT, I
LOAD
/mA
E
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NCP1421DMR2 | 功能描述:直流/直流開關轉換器 600mA PFM Boost RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1421DMR2G | 功能描述:DC/DC 開關控制器 600mA PFM Boost w/Ring Killer RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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| NCP1421LEDEVB | 功能描述:LED 照明開發工具 ANA NCP1421 EVAL BRD RoHS:否 制造商:Fairchild Semiconductor 產品:Evaluation Kits 用于:FL7732 核心: 電源電壓:120V 系列: 封裝: |
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