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參數資料
| 型號： | LM330T-5.0 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 3-Terminal Positive Regulator |
| 中文描述： | 5 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PSFM3 |
| 封裝： | PLASTIC, TO-220, 3 PIN |
| 文件頁數： | 4/5頁 |
| 文件大小： | 254K |
| 代理商： | LM330T-5.0 |
Typical Performance Characteristics
(Continued)
Typical Applications
The LM330 is designed specifically to operate at lower input
to output voltages. The device is designed utilizing a power
lateral PNP transistor which reduces dropout voltage from
2.0V to 0.3V when compared to IC regulators using NPN
pass transistors. Since the LM330 can operate at a much
lower input voltage, the device power dissipation is reduced,
heat sinking can be simpler and device reliability improved
through lower chip operating temperature. Also, a cost sav-
ings can be utilized through use of lower power/voltage com-
ponents. In applications utilizing battery power, the LM330
allows the battery voltage to drop to within 0.3V of output
voltage prior to the voltage regulator dropping out of regula-
tion.
Output Impedance
DS009306-19
Overvoltage Supply Current
DS009306-20
Reverse Supply Current
DS009306-21
Output at Reverse Supply
DS009306-22
Output at Overvoltage
DS009306-23
Output Voltage (Normalized
to 5V at T
j
= 25C)
DS009306-24
DS009306-5
*
Required if regulator is located far from power supply filter.
rat C2 may be either an Aluminum or Tantalum type capacitor but must be
DS009306-6
Note:
I
Qmax
Compared to IC regulator with 2.0V dropout voltage and
www.national.com
4
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