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參數資料
| 型號： | NCP1216D100 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | PWM Current-Mode Controller for High-Power Universal Off-Line Supplies |
| 中文描述： | 0.005 A SWITCHING CONTROLLER, 110 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 15/18頁 |
| 文件大小： | 182K |
| 代理商： | NCP1216D100 |
NCP1216, NCP1216A
http://onsemi.com
15
Figure 27.
Figure 28.
A simple resistor in series avoids any latchup in the controller
or one diode forces V
CC
to reach V
CCON
sooner.
D3
1N4007
1
2
4
5
8
6
7
3
+
+CV
CC
C
bulk
1
2
4
5
8
6
7
3
+
+CV
CC
C
bulk
R
bulk
> 4.7 k
SoftStart NCP1216A only
The NCP1216A features an internal 1.0 ms softstart
activated during the power on sequence (PON). As soon as
V
CC
reaches V
CCOFF
, the peak current is gradually
increased from nearly zero up to the maximum clamping
level (e.g. 1.0 V). This situation lasts during 1ms and further
to that time period, the peak current limit is blocked to
1.0 V until the supply enters regulation. The softstart is also
activated during the over current burst (OCP) sequence.
Every restart attempt is followed by a softstart activation.
Generally speaking, the softstart will be activated when
V
CC
ramps up either from zero (fresh poweron sequence)
or 5.6 V, the latchoff voltage occurring during OCP.
Figure 29 portrays the softstart behavior. The time scales
are purposely shifted to offer a better zoom portion.
Figure 29. Softstart is activated during a startup sequence or an OCP condition
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NCP1216D100R2 | 功能描述:電流型 PWM 控制器 Current Mode PWM RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| NCP1216D100R2G | 功能描述:電流型 PWM 控制器 Current Mode PWM RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| NCP1216D133 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:PWM Current-Mode Controller for High-Power Universal Off-Line Supplies |
| NCP1216D133R2 | 功能描述:電流型 PWM 控制器 Current Mode PWM RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| NCP1216D133R2G | 功能描述:電流型 PWM 控制器 Current Mode PWM RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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