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78L08

更新时间： 2024-11-12 22:22:23
品牌 Logo 应用领域
永盛 - Wing Shing 稳压器
页数 文件大小 规格书
2页 195K
描述
Positive-Voltage Regulators

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78L08 数据手册

 浏览型号78L08的Datasheet PDF文件第2页 
Positive-Voltage Regulators  
78L08  
3-Terminal Regulators  
Output Current up to 100 mA  
No External Components  
Internal Thermal-Overload Protection  
Internal Short-Circuit Current Limiting  
O
C
TO-92  
78L08ACZ  
I
Direct Replacements for Fairchild µA78L0  
Series  
8
INPUT  
description  
COMMON  
OUTPUT  
This series of fixed-voltage integrated-circuit  
voltage regulators is designed for a wide range of  
applications. These applications include on-card  
regulation for elimination of noise and distribution  
problems associated with single-point regulation.  
In addition, they can be used with power-pass  
elementstomakehigh-currentvoltageregulators.  
One of these regulators can deliver up to 100 mA  
of output current. The internal limiting and  
thermal-shutdown features of these regulators  
makethemessentiallyimmunetooverload. When  
used as a replacement for a zener diode-resistor  
combination, an effective improvement in output  
impedance can be obtained, together with lower  
bias current.  
INPUT  
OUTP GND  
SOT-89  
78L08CPK  
4
electrical characteristics at specified virtual junction temperature, V = 1 V, I = 40 mA (unless  
o
I
otherwise noted)  
78L08  
‡
TEST CONDITIONS  
UNIT  
T
PARAMETER  
MIN  
TYP  
MAX  
25°C  
8
7.7  
8.3  
8.4  
8.4  
175  
Output voltage  
I =1mA to 40mA, V =10.5 to 23V  
V
Full range  
Full range  
8
7.6  
7.6  
o
i
I
O
= 1 mA to 70 mA  
8
V =  
I
42  
36  
46  
18  
10  
10.5V to 23V  
Input  
voltage regulation  
mV  
°
25 C  
V =  
I
125  
11V to 23V  
13V to 23V  
Ripple rejection  
V =  
I
f = 120 Hz  
25°C  
37  
dB  
I
= 1 mA to 100 mA  
= 1 mA to 40 mA  
80  
40  
Output  
voltage regulation  
O
O
°
25 C  
mV  
I
Output  
noise voltage  
f = 10 Hz to 100 kHz  
25°C  
µV  
54  
Dropout voltage  
25°C  
25°C  
V
1.7  
6
5.5  
1.5  
0.1  
4
Bias current  
mA  
mA  
125°C  
11V to 23V  
V =  
Bias  
current change  
I
Full range  
I
O
= 1 mA to 40 mA  
‡
Pulse-testing techniques maintain T as close to T as possible. Thermal effects must be taken into account separately. All characteristics are  
J
A
measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output. Full range for the 78L05 is T = 0°C to 70°C  
J
Wing Shing Computer Components Co., (H.K.)Ltd.  
Homepage: http://www.wingshing.com  
Tel:(852)2341 9276 Fax:(852)2797 8153  
E-mail: wsccltd@hkstar.com  
2-1  
12

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