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參數(shù)資料
| 型號(hào)： | 78L12ACF |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類(lèi)： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| 中文描述： | 5.0放大器正電壓穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 149K |
| 代理商： | 78L12ACF |
3-Terminal Regulators
Output Current up to 100 mA
No External Components
Internal Thermal-Overload Protection
Internal Short-Circuit Current Limiting
Direct Replacements for Fairchild
μ
A78L
Series
description
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
elements to make high-current voltage regulators.
One of these regulators can deliver up to 100 mA
of output current. The internal limiting and
thermal-shutdown features of these regulators
make them essentially immune to overload. 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.
electrical characteristics at specified virtual junction temperature, V
I
=
otherwise noted)
PARAMETER
TEST CONDITIONS
T
UNIT
MIN
11.5
TYP
12
MAX
12.5
25
°
C
Output voltage
Full range
V
IO = 1 mA to 70 mA
VI =
VI =
VI =
IO = 1 mA to 100 mA
IO = 1 mA to 40 mA
Full range
Input
voltage regulation
Ripple rejection
f = 120 Hz
25
°
C
dB
Output
voltage regulation
°
Output
noise voltage
f = 10 Hz to 100 kHz
25
°
C
μ
V
Dropout voltage
25
°
C
25
°
C
125
°
C
V
6
5.5
Bias
current change
VI =
IO = 1 mA to 40 mA
1.5
0.1
range
Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately. All characteristics are
measured with a 0.33-
μ
F capacitor across the input and a 0.1-
μ
F capacitor across the output. Full range for the 78L05 is TJ = 0
°
C to
70
°
C
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
Positive-Voltage Regulators
I =1mA to 40MA, V =14V to 27V
25 C
25 C
Bias current
Full
mV
mV
mA
mA
2-1
INPUT
COMMON
OUTPUT
TO-92
78L12ACZ
OUTPUT
GND INPUT
SOT-89
78L12CPK
78L12
11.4
11.4
12
12
12.6
12.6
78L12
49
200
250
37
42
22
55
12
100
13
50
70
1.7
4.3
14.5V tO 27V
16V tO 27V
15V to 25V,
16V to 27V
OCI
19V, I =40mA (unless
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