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MC7912CT の電気的特性と機能

MC7912CTのメーカーはFairchildです、この部品の機能は「3-Terminal 1A Negative Voltage Regulator」です。


製品の詳細 ( Datasheet PDF )

部品番号 MC7912CT
部品説明 3-Terminal 1A Negative Voltage Regulator
メーカ Fairchild
ロゴ Fairchild ロゴ 




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MC7912CT Datasheet, MC7912CT PDF,ピン配置, 機能
www.fairchildsemi.com
MC79XX/MC79XXA/LM79XX
3-Terminal 1A Negative Voltage Regulator
Features
• Output Current in Excess of 1A
• Output Voltages of -5, -6, -8 , -9, -10, -12, -15, -18 and -
24V
• Internal Thermal Overload Protection
• Short Circuit Protection
• Output Transistor Safe Operating Area Compensation
Description
The MC79XX / MC79XXA/ LM79XX series of three
terminal negative regulators are available in TO-220
package and with several fixed output voltages, making
them useful in a wide range of applications. Each type
employs internal current limiting, thermal shut down and
safe operating area protection, making it essentially
indestructible.
TO-220
Vin
1
1. GND 2. Input 3. Output
Internal Block Digram
GND
VOLTAGE
REFERENCE
I1
+
-
I2
R1
R2
OOuutptut
Q1
PROTECTION
CIRCUITRY
Q2
Rsc
In
Input
©2002 Fairchild Semiconductor Corporation
Rev. 1.0.1

1 Page





MC7912CT pdf, ピン配列
MC79XX/MC79XXA/LM79XX
Electrical Characteristics (MC7906) (Continued)
(VI = -11V, IO = 500mA, 0°C TJ +125°C, CI =2.2µF, CO =1µF, unless otherwise specified.)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Temperature Coefficient of VD
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
Symbol
VO
VO
VO
IQ
IQ
Vo/T
VN
RR
VD
ISC
IPK
Conditions
TJ = +25°C
IO = 5mA to 1A, PO 15W
VI = -9V to -21V
TJ = +25°C
VI = -8V to -25V
VI = -9V to -13V
TJ = +25°C
IO = 5mA to 1.5A
TJ =+25°C
IO = 250mA to 750mA
TJ =+25°C
IO = 5mA to 1A
VI = -8V to -25V
IO = 5mA
f = 10Hz to 100kHz
TA =+25°C
f = 120Hz
VI = 10V
TJ = +25°C
IO = 1A
TJ = +25°C, VI = -35V
TJ = +25°C
Min. Typ. Max.
-5.75 -6 -6.25
-5.7 -6 -6.3
Unit
V
- 10 120
mV
- 5 60
- 10 120
mV
- 3 60
- 3 6 mA
- 0.05 0.5
mA
- 0.1 1.3
- -0.5 - mV/°C
- 130 -
µV
54 60
-
dB
-2-
- 300 -
- 2.2 -
V
mA
A
Note
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
3


3Pages


MC7912CT 電子部品, 半導体
MC79XX/MC79XXA/LM79XX
Electrical Characteristics (MC7910) (Continued)
(VI = -17V, IO = 500mA, 0°C TJ +125°C, CI =2.2µF, CO =1µF, unless otherwise specified.)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Temperature Coefficient of VO
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
Symbol
VO
VO
VO
IQ
IQ
Vo/T
VN
RR
VD
ISC
IPK
Conditions
Min.
TJ = +25°C
-9.6
IO = 5mA to 1A, Pd 15W
VI = -12V to -28
-9.5
TJ = +25°C
VI = -12.5V to -28V -
VI = -14V to -20V
-
TJ = +25°C
IO = 5mA to 1.5A
-
TJ = +25°C
IO = 250mA to 750mA
-
TJ = +25°C
-
IO = 5mA to 1A
-
VI = -12.5V to -28V
-
IO = 5mA
-
10Hz f 100kHz
TA =+25°C
-
f = 120Hz
VI = 10V
54
TJ = +25°C
IO = 1A
-
TJ = +25°C, VI = -35V
-
TJ = +25°C
-
Typ.
-10
-10
12
6
12
4
3
0.05
0.1
-1
280
60
2
300
2.2
Max.
-10.4
-10.5
Unit
V
200
mV
100
200
mV
100
6 mA
0.5
mA
1
- mV/°C
- µV
- dB
-V
- mA
-A
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
6

6 Page



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