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參數(shù)資料
| 型號： | Si9120 |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Universal Input Switchmode Controller(通用輸入電壓范圍10-450V的開關(guān)控制器) |
| 中文描述： | 通用輸入開關(guān)模式控制器（通用輸入電壓范圍10 - 450V的開關(guān)控制器） |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 165K |
| 代理商： | SI9120 |
Si9120
Vishay Siliconix
Si9120
FaxBack 408-970-5600, request 70006
www.siliconix.com
S-60752—Rev. F, 05-Apr-99
1
Universal Input Switchmode Controller
FEATURES
10- to 450-V Input Range
Current-Mode Control
DESCRIPTION
The Si9120 is a BiC/DMOS integrated circuit designed for
use in low-power, high-efficiency off-line power supplies.
High-voltage DMOS inputs allow the controller to work over a
wide range of input voltages (10- to 450-VDC). Current-mode
PWM control circuitry is implemented in CMOS to reduce
quiescent current to less than 1.5 mA.
A CMOS output driver provides high-speed switching for
MOSFET devices with gate charge, Q
g
, up to 25 nC, enough
to supply 30 W of output power at 100 kHz. These devices,
when combined with an output MOSFET and transformer, can
be used to implement single-ended power converter
topologies (i.e., flyback and forward).
The Si9120 is available in a 16-pin plastic DIP and SOIC
packages, and is specified over the industrial, D suffix (-40 to
85
°
C) temperature range.
FUNCTIONAL BLOCK DIAGRAM
125-mA Output Drive
Internal Start-Up Circuit
Internal Oscillator (1 MHz)
SHUTDOWN and RESET
Applications information may also be obtained via FaxBack, request document #70580 and #70578.
Off-Line Power
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SI9120DJ | 功能描述:電流型 PWM 控制器 Univ Input Controllr RoHS:否 制造商:Texas Instruments 開關(guān)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(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| SI9120DJ | 制造商:Vishay Siliconix 功能描述:SWITCHMODE CONTROLLER 9120 DIP16 |
| SI9120DJ-E3 | 功能描述:電流型 PWM 控制器 Univ Input Controllr RoHS:否 制造商:Texas Instruments 開關(guān)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(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| SI9120DY | 功能描述:電流型 PWM 控制器 Univ Input Controllr RoHS:否 制造商:Texas Instruments 開關(guān)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(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| SI9120DY (AT642AC) | 制造商:. 功能描述: |
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