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參數資料
| 型號： | LM340-15 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數： | 1/20頁 |
| 文件大?。?/td> | 205K |
| 代理商： | LM340-15 |
SEMICONDUCTOR
TECHNICAL DATA
THREE–TERMINAL
POSITIVE FIXED
VOLTAGE REGULATORS
Order this document by LM340/D
Pin 1. Input
2. Ground
3. Output
T SUFFIX
PLASTIC PACKAGE
CASE 221A
Heatsink surface is connected to Pin 2.
3
1
2
Simplified Application
A common ground is required between the input and
the output voltages. The input voltage must remain
typically 1.7 V above the output voltage even during
the low point on the input ripple voltage.
XX these two digits of the type number indicate
voltage.
* Cin is required if regulator is located an
appreciable distance from power supply filter.
** CO is not needed for stability; however, it does
improve transient response. If needed, use a
0.1
μ
F ceramic disc.
LM340–XX
Input
Cin*
0.33
μ
F
CO**
Output
1
MOTOROLA ANALOG IC DEVICE DATA
This family of fixed voltage regulators are monolithic integrated circuits
capable of driving loads in excess of 1.0 A. These three–terminal regulators
employ internal current limiting, thermal shutdown, and safe–area
compensation. Devices are available with improved specifications, including
a 2% output voltage tolerance, on A–suffix 5.0, 12 and 15 V device types.
Although designed primarily as a fixed voltage regulator, these devices
can be used with external components to obtain adjustable voltages and
currents. This series of devices can be used with a series–pass transistor to
boost output current capability at the nominal output voltage.
Output Current in Excess of 1.0 A
No External Components Required
Output Voltage Offered in 2% and 4% Tolerance*
Internal Thermal Overload Protection
Internal Short Circuit Current Limiting
Output Transistor Safe–Area Compensation
ORDERING INFORMATION
Device
Output Voltage
and Tolerance
Operating
Temperature Range
Package
LM340T–5.0
5.0 V
±
4%
5.0 V
±
2%
TJ= 0
TJ = 0
°
to +125
°
C
Plastic Power
i P
i P
i P
i P
LM340AT–5.0
LM340T–6.0
6.0 V
±
4%
LM340T–8.0
8.0 V
±
4%
LM340T–12
12 V
±
4%
LM340AT–12
12 V
±
2%
LM340T–15
15 V
±
4%
LM340AT–15
15 V
±
2%
LM340T–18
18 V
±
4%
LM340T–24
24 V
±
4%
* 2% regulators are available in 5, 12 and 15 V devices.
Motorola, Inc. 1996
Rev 1
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