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參數資料
| 型號： | NCP1421DMR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 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： | 7/14頁 |
| 文件大小： | 116K |
| 代理商： | NCP1421DMR2G |
NCP1421
http://onsemi.com
7
TYPICAL OPERATING CHARACTERISTICS
10
5
5
10
10
100
1000
V
OUT
= 3.3 V
L = 5.6 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
0
1.5
10
20
30
40
50
1.7
BATTERY INPUT VOLTAGE, V
BATT
/V
1.9
2.1
2.3
2.5
Figure 14. Output Voltage Change vs. Load
Current
Figure 15. Output Voltage Change vs. Load
Current
Figure 16. Battery Input Voltage vs. Output Ripple
Voltage
Figure 17. Low Battery Detect
Figure 18. No Load Operating Current vs. Input
Voltage at OUT Pin
V
IN
= 2.5 V
V
IN
= 2.0 V
0
OUTPUT LOADING CURRENT, I
LOAD
/mA
O
10
5
5
10
10
100
1000
V
OUT
= 5.0 V
L = 5.6 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
V
IN
= 3.3 V
V
IN
= 1.5 V
0
OUTPUT LOADING CURRENT, I
LOAD
/mA
O
V
IN
= 2.5 V
300 mA
R
R
/
p
100 mA
500 mA
V
IN
= 2.5 V
V
OUT
= 3.3 V
L = 6.8 H
C
IN
= 22 F
C
OUT
= 22 F
T
A
= 25 C
Upper Trace:
Input Voltage Waveform, 1.0 V/Division
Lower Trace: Output Voltage Waveform, 2.0 V/Division
Figure 19. Startup Transient Response
2.5
5.0
7.5
10
12.5
15
1.5
2.0
2.5
3.0
3.5
5.0
INPUT VOLTAGE AT OUT PIN, V
OUT
/V
N
B
/
4.0
4.5
Upper Trace:
Voltage at LBI Pin, 1.0 V/Division
Lower Trace: Voltage at LBO Pin, 1.0 V/Division
V
IN
= 2.5 V
V
OUT
= 5.0 V
I
LOAD
= 10 mA
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| NCP1422LEDEVB | 功能描述:LED 照明開發工具 ANA NCP1422LED 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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