參數(shù)資料
型號(hào): SI9112DJ
廠商: Vishay Intertechnology,Inc.
英文描述: High-Voltage Switchmode Controller
中文描述: 高電壓開關(guān)模式控制器
文件頁數(shù): 6/6頁
文件大?。?/td> 71K
代理商: SI9112DJ
Si9112
Vishay Siliconix
www.vishay.com
6
sDocument Number: 70005
S-42036—Rev. H, 15-Nov-04
DETAILED DESCRIPTION (CONT’D)
Oscillator Section
The oscillator consists of a ring of CMOS inverters, capacitors,
and a capacitor discharge switch. Frequency is set by an
external resistor between the OSC IN and OSC OUT pins.
(See Typical Characteristics for details of resistor value vs.
frequency.) The DISCHARGE pin should be tied to
V
IN
for
normal internal oscillator operation. A frequency divider in the
logic section limits switch duty cycle to
switching frequency to one half of the oscillator frequency.
50% by locking the
Remote synchronization can be accomplished by capacitive
coupling of a SYNC pulse into the OSC IN (pin 8) terminal. For
a 5-V pulse amplitude and 0.5- s pulse width, typical values
would be 100 pF in series with 3 k
to pin 8.
SHUTDOWN and RESET
SHUTDOWN (pin 11) and RESET (pin 12) are intended for
overriding the output MOSFET switch via external control
logic. The two inputs are fed through a latch preceding the
output switch. Depending on the logic state of RESET,
SHUTDOWN can be either a latched or unlatched input. The
output is off whenever SHUTDOWN is low. By simultaneously
having SHUTDOWN and RESET low, the latch is set and
SHUTDOWN has no effect until RESET goes high. The truth
Table 1:
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SI9112DJ-E3 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 HV Switchmode Cont 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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
SI9112DY 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 HV Switchmode Cont 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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
SI9112DY-E3 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Hi-Eff/Hi-Voltage Switchmode 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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
SI9112DY-T1 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Hi-Eff/Hi-Voltage Switchmode 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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
SI9112DY-T1-E3 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Hi-Eff/Hi-Voltage Switchmode 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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel