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參數(shù)資料
| 型號： | LM131 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Precision Voltage-to-Frequency Converters |
| 中文描述： | 精密電壓到頻率轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 178K |
| 代理商： | LM131 |
LM320L/LM79LXXAC/LM13121 Series
3-Terminal Negative Regulators
General Description
The LM320L/LM79LXXAC/LM13121 dual marked series of
3-terminal negative voltage regulators features fixed output
voltages of 5V, 12V, and 15V with output current capa-
bilities in excess of 100mA. These devices were designed
using the latest computer techniques for optimizing the pack-
aged IC thermal/electrical performance. The LM79LXXAC
series, even when combined with a minimum output com-
pensation capacitor of 0.1μF, exhibits an excellent transient
response, a maximum line regulation of 0.07% V
O
/V, and a
maximum load regulation of 0.01% V
O
/mA.
The LM320L/LM79LXXAC/LM13121 series also includes, as
self-protection circuitry: safe operating area circuitry for out-
put transistor power dissipation limiting, a temperature inde-
pendent short circuit current limit for peak output current
limiting, and a thermal shutdown circuit to prevent excessive
junction temperature. Although designed primarily as fixed
voltage regulators, these devices may be combined with
simple external circuitry for boosted and/or adjustable volt-
ages and currents. The LM79LXXAC series is available in
the 3-lead TO-92 package, and SO-8; 8 lead package. The
LM320L series is available in the 3-lead TO-92 package.
For output voltage other than 5V, 12V and 15V, the
LM137L series provides an output voltage range from 1.2V
to 47V.
Features
n
Preset output voltage error is less than
±
5% overload,
line and temperature
n
Specified at an output current of 100mA
n
Easily compensated with a small 0.1μF output
capacitor
n
Internal short-circuit, thermal and safe operating area
protection
n
Easily adjustable to higher output voltages
n
Maximum line regulation less than 0.07% V
OUT
/V
n
Maximum load regulation less than 0.01% V
OUT
/mA
Typical Applications
Fixed Output Regulator
00774801
*Required if the regulator is located far from the power supply filter. A 1μF
aluminum electrolytic may be substituted.
*
*
Required for stability. A 1μF aluminum electrolytic may be substituted.
Adjustable Output Regulator
00774803
V
0
= 5V (5V/R1 + I
Q
)
R2,
5V/R1
>
3 I
Q
Connection Diagrams
SO-8 Plastic (Narrow Body)
00774804
Top View
Order Number LM79L05ACM, LM79L12ACM
LM79L15ACM, LM79L05ACMX,
LM79L12ACMX or LM79L15ACMX
See NS Package Number M08A
TO-92 Plastic Package (Z)
00774802
Bottom View
Order Number LM320LZ-5.0, LM79L05ACZ,
LM320LZ-12, LM79L12ACZ, LM320LZ-15 or
LM79L15ACZ, LM13121Z-12, LM13121Z-15,
LM13121Z-5.0
See NS Package Number Z03A
September 2002
L
2002 National Semiconductor Corporation
DS007748
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM131A | Precision Voltage-to-Frequency Converters |
| LM134H-6 | Current Source |
| LM134-LM234 | THREE TERMINAL ADJUSTABLE CURRENT SOURCES |
| LM134D | THREE TERMINAL ADJUSTABLE CURRENT SOURCES |
| LM134Z | THREE TERMINAL ADJUSTABLE CURRENT SOURCES |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM1310N | 制造商:Texas Instruments 功能描述: |
| LM1310N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FM Receiver Circuit |
| LM13121 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LM13121Z12 | 制造商:NATIONAL SEMI 功能描述:320L79L12A |
| LM13121Z-12 | 制造商:NATIONAL SEMI 功能描述:320L79L12A |
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