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參數(shù)資料
| 型號： | NCP1421DMR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 600 mA Sync-Rect PFM Step-Up DC-DC Converter Step-Up DC-DC Converter with True-Cutoff and Ring-Killer |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | LEAD FREE, MICRO PACK-8 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大小： | 116K |
| 代理商： | NCP1421DMR2G |
NCP1421
http://onsemi.com
8
TYPICAL OPERATING CHARACTERISTICS
(V
IN
= 2.5 V, V
OUT
= 3.3 V, I
LOAD
= 50 mA; L = 5.6 H, C
OUT
= 22 F)
Upper Trace: Output Voltage Ripple, 20 mV/Division
Lower Trace: Voltage at Lx pin, 1.0 V/Division
Figure 20. Discontinuous Conduction Mode
Switching Waveform
(V
IN
= 2.5 V, V
OUT
= 3.3 V, I
LOAD
= 500 mA; L = 5.6 H, C
OUT
= 22 F)
Upper Trace: Output Voltage Ripple, 20 mV/Division
Lower Trace: Voltage at LX pin, 1.0 V/Division
Figure 21. Continuous Conduction Mode
Switching Waveform
Figure 22. Line Transient Response for V
OUT
= 3.3 V
Figure 23. Line Transient Response For V
OUT
= 5.0 V
(V
IN
= 1.5 V to 2.5 V; L = 5.6 H, C
OUT
= 22 F, I
LOAD
= 100 mA)
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Battery Voltage, V
IN,
1.0 V/Division
(V
IN
= 1.5 V to 2.5 V; L = 5.6 H, C
OUT
= 22 F, I
LOAD
= 100 mA)
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Battery Voltage, V
IN,
1.0 V/Division
Figure 24. Load Transient Response For V
IN
= 2.5 V
Figure 25. Load Transient Response For V
IN
= 3.0 V
(V
OUT
= 5.0 V, I
LOAD
= 50 mA to 500 mA; L = 5.6 H, C
OUT
= 22 F)
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Load Current, I
LOAD
, 500 mA/Division
(V
OUT
= 3.3 V, I
LOAD
= 50 mA to 500 mA; L = 5.6 H, C
OUT
= 22 F)
Upper Trace: Output Voltage Ripple, 50 mV/Division
Lower Trace: Load Current, I
LOAD
, 500 mA/Division
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| NCP1421 | 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(zhuǎn)換器) |
| NCP1421D | 600 mA Sync-Rect PFM Step-Up DC-DC Converter Step-Up DC-DC Converter with True-Cutoff and Ring-Killer |
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| NCP1422LEDEVB | 功能描述:LED 照明開發(fā)工具 ANA NCP1422LED EVAL BRD RoHS:否 制造商:Fairchild Semiconductor 產(chǎn)品:Evaluation Kits 用于:FL7732 核心: 電源電壓:120V 系列: 封裝: |
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