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부품번호 | MC78T15CT 기능 |
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기능 | 3-Terminal 3A Positive Voltage Regulator | ||
제조업체 | Fairchild | ||
로고 | |||
전체 8 페이지수
www.fairchildsemi.com
MC78TXX
3-Terminal 3A Positive Voltage Regulator
Features
• Output Current in Excess of 3.0A
• Output Transistor Safe Operating Area Compensation
• Power Dissipation :25W
• Internal Short Circuit Current Limiting
• Internal Thermal Overload Protection
• Output Voltage Offered in 4% Tolerance
• No External Components Required
• Output Voltage of 5,12 and 15V
Description
This family of fixed voltage regulators are monolithic
integrated circuit capable of driving loads in excess of 3.0 A.
TO-220
GND
1
1.Input 2. GND 3. Output
Internal Block Diagram
INPUT
1
STARTING
CIRCUIT
CURRENT
GENERATOR
REFERENCE
VOLTAGE
SERIES
PASS
ELEMENT
SOA
PROTECTION
ERROR
AMPLIFIER
THERMAL
PROTECTION
OUTPUT
3
GND
2
©2002 Fairchild Semiconductor Corporation
Rev. 1.0.1
MC78TXX
Electrical Characteristics(MC78T15) (Continued)
(VI = 23V, IO = 3.0 A, 0°C ≤ TJ ≤ +125°C, Po ≤ PMAX (Note1), unless otherwise specified. )
Parameter
Output Voltage
Symbol
Vo
Line Regulation (Note2)
∆VO
Load Regulation (Note2)
Thermal Regulation
∆VO
REGT
Quiescent Current
IQ
Quiescent Current Change
∆IQ
Ripple Rejection
RR
Dropout Voltage
VD
Output Noise Voltage
VN
Peak Output Current
IPK
Output Resistance
Ro
Short Circuit Current Limit
Isc
Average Temperature
Coefficient of Output Voltage
∆VO/∆T
Conditions
Min.
5mA ≤ Io ≤ 3.0A, TJ =+25°C
17.5V ≤ VI ≤ 30V, 5mA ≤ Io ≤ 2.0A
14.4
14.25
17.6V ≤ VI ≤ 40V, Io=5mA, TJ =+25°C
17.6V ≤ VI ≤ 40V, Io=1.0A, TJ =+25°C
18V ≤ VI ≤ 30V, Io =2.0A, TJ =+25°C
20V ≤ VI ≤ 26V, Io =3.0A, TJ =+25°C
-
5mA ≤ Io ≤ 3.0A, TJ =+25°C
5mA ≤ Io ≤ 3.0A
-
Pulse =10ms, P = 20W
TA = +25°C
-
5mA ≤ Io ≤ 3.0A, TJ =+25°C
5mA ≤ Io ≤ 3.0A
-
17.6V ≤ VI ≤ 40V, Io = 5mA
TJ =+25°C ;
18V ≤ VI ≤ 30V, Io =2.0A ;
5mA ≤ Io ≤ 3.0A, TJ =+25°C
-
f = 120Hz, 18.5V ≤ VI ≤ 28.5V, Io = 2.0A
TJ =+25°C
-
Io = 3A ,TJ = +25°C
-
TA = +25°C, 10Hz ≤ f ≤ 100kHz
-
TA = +25°C
-
f = 1.0kHz
-
VI = 40V, TJ = +25°C
-
Io = 5.0mA
-
Typ.
15
15
7.5
10
15
0.002
3.5
4.0
0.1
65
2.2
10
5.0
2.0
1.0
0.5
Max.
15.6
15.75
55
30
80
0.03
5.0
6.0
0.8
-
2.5
-
-
-
2.0
-
Unit
V
mV
mV
mV
%Vo/W
mA
mA
mA
dB
V
µV/Vo
A
mΩ
A
mV/°C
Note:
1. Although power dissipation is internally limited, specifications apply only for PO ≤ Pmax, Pmax = 25W
2. Load and line regulation are specified at constant junction temperature. Change in Vo due heating effects must be taken into
account separately. Pulse testing with low duty is used. ( PMAX = 25W)
4
4페이지 Ordering Information
Product Number
MC78T05CT
MC78T12CT
MC78T15CT
Package
TO-220
Operating Temperature
0 ~ +125°C
MC78TXX
7
7페이지 | |||
구 성 | 총 8 페이지수 | ||
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부품번호 | 상세설명 및 기능 | 제조사 |
MC78T15C | THREE-AMPERE POSITIVE FIXED VOLTAGE REGULATORS | ON |
MC78T15CT | 3-Terminal 3A Positive Voltage Regulator | Fairchild |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |