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參數資料
| 型號： | LPR30N |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數： | 1/11頁 |
| 文件大?。?/td> | 399K |
| 代理商： | LPR30N |
1/11
May 2003
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VERY LOW DROPOUT POWER MOSFET
DRIVER
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HIGH PRECISION VREF =2.5V (± 2%)
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VERY LOW CURRENT DRAIN (TYP. 2mA)
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REFERENCE OUTPUT CURRENT UP TO
20mA
s
OPERATING SUPPLY VOLTAGE FROM 5V
TO 30V
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MAXIMUM INPUT VOLTAGE ON-GATE PIN
(N. 8) UP TO 60V
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INTERNAL CURRENT LIMIT OPERATIONAL
AMPLIFIER OFFSET TRIMMED AT
50mV ± 10mV
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NO CAPACITOR IS NEEDED FOR
STABILITY OF REFERENCE OUTPUT
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TEMPERATURE RANGE 0°C TO 70°C
APPLICATION
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ULTRA HIGH CURRENT ULTRA LOW
DROPOUT VOLTAGE REGULATOR
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CONSTANT HIGH CURRENT SOURCE
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LOW PARTS COUNT 5V TO 3.3V
COMPUTER SUPPLY
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LOW NOISE/LOW DROPSMPSPOST
REGULATOR
DESCRIPTION
The LPR30 is a very Low Dropout Regulator
Controller in a single IC solution for very high
current low dropout linear voltage regulator. It
uses an external N-CHANNEL POWER MOSFET
as the linear pass element. The LPR30 features a
dropout voltage as low as the RDS(ON) of the
external Power MOSFET multiplied by the output
current. Consequently the output current can be
as high as the POWER MOSFET can provide
(also using an adequate heatsink).
The VCC of the LPR30 range from 5V to 30V. For
very low drop voltage operation, the LPR30
requires an external gate drive supply to provide
the control voltage needed to drive the gate of the
external POWER MOSFET.
LPR30
LOW DROP VOLTAGE REGULATOR DRIVE
FOR EXTERNAL N-CHANNEL POWER MOSFET
SCHEMATIC DIAGRAM
SO-8
DIP-8
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相關代理商/技術參數 |
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