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參數(shù)資料
| 型號： | LX1882-00CDU-TR |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHED CAPACITOR REGULATOR, 620 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | LEAD FREE, PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 11/13頁 |
| 文件大?。?/td> | 316K |
| 代理商： | LX1882-00CDU-TR |
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 7
Copyright
2000
Rev. 1.0e, 2005-03-03
WWW
.Microse
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LX1882
Charge Pump Doubler with Linear Regulator
PRODUCTION DATA SHEET
I N T E GRA T ED
PR ODUC T S
APPLICATION IN FORMATION (CONTINUED )
POWER-ON RESET
The LX1882 contains power-on reset circuitry that insures all
internal functions are correctly initialized upon power-up. Once
the input voltage reaches approximately 1V, the power-on reset
circuit enables the device as long as the SHDN pin is held high.
SHUTDOWN
The SHDN pin allows the LX1882 to be enabled or disabled.
A logic zero (0.4V) on the SHDN pin places the LX1882 in
shutdown mode, reducing the supply current to < 5uA and
connecting VOUT to ground through a 100 switch. In addition,
CPO will be high impedance and disconnected from VIN. If the
shutdown feature is not required, connect SHDN to VIN to
continuously enable the part.
Current Limit Protection
The LX1882 includes over current protection. When the output
load current exceeds typically 60mA, the circuit forces the
regulator output to decrease.
Temperature Protection
The thermal protection shuts the LX1882 down when the
junction temperature exceeds 1400C. Exposure to absolute
maximum rated conditions for extended periods may affect
device reliability (see Thermal Considerations below).
THERMAL CONSIDERATIONS
Thermal shutdown protects the circuit from thermal overload
caused from a rise in junction temperature during power
dissipation. This means of protection is intended for fault
protection only and not as a means from current or power
limiting during normal application usage. Proper thermal
evaluation should be done to ensure that the junction temperature
does not exceed its maximum rating (125°C). Due to variation in
individual device electrical characteristics and thermal resistance,
the built in thermal overload protection may be activated at
power levels slightly above or below the rated dissipation.
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相關代理商/技術參數(shù) |
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| LX1882-03 EVAL KIT | 制造商:Microsemi Corporation 功能描述:CHARGE PUMP - Bulk |
| LX1882-33CDM | 功能描述:IC REG SWITCHED CAP DBL 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝:20 系列:SIMPLE SWITCHER® 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:12V 輸入電壓:4 V ~ 60 V PWM 型:電壓模式 頻率 - 開關:52kHz 電流 - 輸出:1A 同步整流器:無 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 包裝:管件 供應商設備封裝:16-DIP 其它名稱:*LM2575HVN-12LM2575HVN-12 |
| LX1882-33CDM-TR | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Charge Pump Doubler with Linear Regulator |
| LX1882-33CDU | 功能描述:IC REG SWITCHED CAP DBL 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝:20 系列:SIMPLE SWITCHER® 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:12V 輸入電壓:4 V ~ 60 V PWM 型:電壓模式 頻率 - 開關:52kHz 電流 - 輸出:1A 同步整流器:無 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 包裝:管件 供應商設備封裝:16-DIP 其它名稱:*LM2575HVN-12LM2575HVN-12 |
| LX1882-33CDU-TR | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Charge Pump Doubler with Linear Regulator |
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