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參數資料
| 型號： | NCP1216AD65 |
| 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, 71.5 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 15/18頁 |
| 文件大小： | 182K |
| 代理商： | NCP1216AD65 |
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 |
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| NCP1216AD65R2 | 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 |
| NCP1216AD65R2G | 功能描述:電流型 PWM 控制器 Current Mode PWM w/50% Duty Cycle Max 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 |
| NCP1216AFORWEVB | 功能描述:電源管理IC開發工具 NCP1216A 35W FORWRD EVB RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| NCP1216AFORWGEVB | 功能描述:BOARD EVAL NCP1216A 35W RoHS:是 類別:編程器，開發系統 >> 評估板 - LED 驅動器 系列:* 標準包裝:1 系列:PowerWise® 電流 - 輸出 / 通道:20mA 輸出及類型:1，非隔離 輸出電壓:17V 特點:可調光 輸入電壓:2.7 ~ 5.5 V 已供物品:板 已用 IC / 零件:LM3508 相關產品:LM3508TLX-ND - IC LED DRVR WHT BCKLGT 9USMDLM3508TLDKR-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLCT-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLTR-ND - IC LED DRVR WHT BCKLGT 9MICROSMD |
| NCP1216AP100 | 功能描述:開關變換器、穩壓器與控制器 Current Mode PWM RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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