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參數(shù)資料
| 型號： | NCP1411DMR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector and Ring-Killer |
| 中文描述： | 1 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | PLASTIC, MICROPACK-8 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大小： | 133K |
| 代理商： | NCP1411DMR2 |
NCP1411
http://onsemi.com
5
TYPICAL OPERATING CHARACTERISTICS
Figure 3. Reference Voltage versus Output
Current
1
10
1000
100
1.220
1.190
1.200
V
R
,
I
LOAD
, OUTPUT CURRENT (mA)
1.195
1.205
1.210
1.215
Figure 4. Reference Voltage versus Input
Voltage at OUT Pin
1
2
6
4
1.195
1.180
1.186
V
R
,
V
OUT
, INPUT VOLTAGE AT OUT PIN (V)
1.183
1.189
1.192
Figure 5. Reference Voltage versus
Temperature
40
0
100
20
1.194
1.184
V
R
,
T
A
, AMBIENT TEMPERATURE (
°
C)
1.186
1.188
1.190
1.192
Figure 6. Switch ON Resistance versus
Temperature
40
0
100
20
1.5
0
0.6
R
D
,
T
A
, AMBIENT TEMPERATURE (
°
C)
0.3
0.9
1.2
Figure 7.
L
X
Switch Max. ON Time versus
Temperature
40
0
100
40
1.8
1.2
1.4
L
X
,
o
/
T
A
, AMBIENT TEMPERATURE (
°
C)
1.3
1.5
1.6
1.7
0
20
120
100
1.9
0.6
1.1
V
B
,
I
LOAD
, OUTPUT LOADING CURRENT (mA)
0.9
1.4
1.6
Figure 8. Min. Startup Battery Voltage versus
Loading Current
3
5
20
40
60
80
V
OUT
= 3.3 V
L = 22 H
C
IN
= 10 F
C
OUT
= 33 F
C
REF
= 1 F
T
A
= 25
°
C
V
IN
= 1.8 V
V
IN
= 2.2 V
V
IN
= 3.0 V
C
REF
= 1 F
T
A
= 25
°
C
I
REF
= 2.5 mA
I
REF
= 0 mA
V
OUT
= 3.3 V
C
REF
= 150 nF
I
REF
= 0 mA
20
40
60
80
V
OUT
= 3.3 V
PFET (M2)
NFET (M1)
20
20
80
60
40
60
80
WITHOUT SCHOTTKY DIODE
WITH SCHOTTKY DIODE
(MBR0502)
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| NCP1411DMR2G | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 250mA Monolithic High Frequency Boost RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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| NCP1421DMR2 | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 600mA PFM Boost RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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