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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)： | 5/14頁 |
| 文件大小： | 116K |
| 代理商： | NCP1421DMR2G |
NCP1421
http://onsemi.com
5
TYPICAL OPERATING CHARACTERISTICS
1.180
1.185
1.190
1.195
1.200
1.205
0.0
0.1
0.2
0.3
0.4
0.5
0.6
40
20
0
20
40
60
80
100
AMBIENT TEMPERATURE, T
A
/
°
C
S
D
/
PFET (M2)
NFET (M1)
V
OUT
= 3.3 V
40
20
0
20
40
60
80
100
AMBIENT TEMPERATURE, T
A
/
°
C
R
R
/
0.5
40
0.6
0.7
0.8
0.9
1.0
20
0
20
40
60
80
100
0.6
0.9
1.1
1.4
1.6
0
50
100
150
200
250
T
A
= 25
°
C
OUTPUT LOADING CURRENT, I
LOAD
/mA
M
V
B
/
Figure 2. Reference Voltage vs. Output Current
Figure 3. Reference Voltage vs. Voltage at OUT Pin
Figure 4. Reference Voltage vs. Temperature
Figure 5. Switch ON Resistance vs. Temperature
Figure 6. L
X
Switch Max. ON Time vs. Temperature
Figure 7. Minimum Startup Battery Voltage vs.
Loading Current
1.180
1.190
1.200
1.210
1.220
1
10
100
1000
V
OUT
= 3.3 V
L = 10 H
C
IN
= 22 F
C
OUT
= 22 F
C
REF
= 1.0 F
T
A
= 25 C
AMBIENT TEMPERATURE, T
A
/
°
C
L
X
O
/
OUTPUT CURRENT, I
LOAD
/mA
R
R
/
V
IN
= 1.5 V
V
IN
= 2.0 V
V
IN
= 2.5 V
1.180
1.190
1.210
1.220
C
REF
= 200 nF
I
REF
= 0 mA
T
A
= 25
°
C
VOLTAGE AT OUT PIN, V
OUT
/V
R
R
/
V
OUT
= 3.3 V
C
REF
= 200 nF
I
REF
= 0 mA
1.5
2
2.5
3
3.5
4
4.5
5
1.200
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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) |
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