MC78M12CT 반도체 회로 부품 판매점
3-Terminal 0.5A Positive Voltage Regulator
|
|
 Fairchild |
www.fairchildsemi.com
MC78MXX/LM78MXX
3-Terminal 0.5A Positive Voltage Regulator
Features
• Output Current up to 0.5A
• Output Voltages of 5, 6, 8, 12, 15, 18, 24V
• Thermal Overload Protection
• Short Circuit Protection
• Output Transistor Safe Operating Area (SOA)Protection
Description
The MC78MXX/LM78MXX series of three-terminal
positive regulators are available in the TO-220/D-PAK
package with several fixed output voltages making it useful
in a wide range of applications.
TO-220
GND
1
D-PAK GND
1
1. Input 2. GND 3. Output
Internal Block Digram
INPUT
1
CURRENT
GENERATOR
STARTING
CIRCUIT
REFERENCE
VOLTAGE
SERIES
PASS
ELEMENT
SOA
PROTECTION
ERROR
AMPLIFIER
THERMAL
PROTECTION
©2002 Fairchild Semiconductor Corporation
OUTPUT
3
R1
R2
GND
2
Rev. 1.0.5
MC78MXX/LM78MXX
Absolute Maximum Ratings
Parameter
Input Voltage (for VO = 5V to 18V)
(for VO = 24V)
Thermal Resistance Junction-Case (Note1)
TO-220 (Tc = +25°C)
Thermal Resistance Junction-Air (Note1, 2)
TO-220 (Ta = +25°C)
D-PAK (Ta = +25°C)
Operating Junction Temperature Range
Storage Temperature Range
Note:
1. Thermal resistance test board
Size: 76.2mm * 114.3mm * 1.6mm(1S0P)
JEDEC standard: JESD51-3, JESD51-7
2. Assume no ambient airflow
Symbol
VI
VI
RθJC
RθJA
TOPR
TSTG
Value
35
40
2.5
66
92
0 ~ +150
-65 ~ +150
Unit
V
V
°C/W
°C/W
°C
°C
Electrical Characteristics (MC78M05/LM78M05)
(Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI=10V, unless otherwise specified, CI = 0.33µF, CO=0.1µF)
Parameter
Output Voltage
Line Regulation (Note3)
Load Regulation (Note3)
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
Symbol
VO
∆VO
∆VO
IQ
∆IQ
∆V/∆T
VN
RR
VD
ISC
IPK
Conditions
TJ = +25°C
IO = 5mA to 350mA
VI = 7V to 20V
IO = 200mA
TJ =+25°C
VI = 7V to 25V
VI = 8V to 25V
IO = 5mA to 0.5A, TJ =+25°C
IO = 5mA to 200mA, TJ =+25 °C
TJ =+25°C
IO = 5mA to 350mA
IO = 200mA
VI = 8V to 25V
IO = 5mA
TJ = 0 to +125°C
f = 10Hz to 100kHz
f = 120Hz, IO = 300mA
VI = 8V to 18V, TJ =+25 °C
TJ =+25°C, IO = 500mA
TJ =+25°C, VI = 35V
TJ =+25°C
Min.
4.8
4.75
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ. Max.
5 5.2
5 5.25
- 100
- 50
- 100
- 50
4.0 6.0
- 0.5
- 0.8
Unit
V
mV
mV
mA
mA
-0.5 - mV/°C
40 - µV/Vo
80 -
dB
2-
300 -
700 -
V
mA
mA
Note:
3. Load and line regulation are specified at constant junction temperature. Change in Vo due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
2
|
PDF 파일 내의 페이지 : 총 14 페이지
제조업체: Fairchild
( fairchild )
MC78M12CT regulator
데이터시트 다운로드 :
[ MC78M12CT.PDF ]
[ MC78M12CT 다른 제조사 검색 ]
국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
[ 홈페이지 ]
IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈
( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )
전력반도체 문의 : 010-3582-2743
관련 데이터시트
MC78M12C
THREE-TERMINAL MEDIUM CURRENT POSITIVE FIXED VOLTAGE REGULATORS - Motorola Semiconductors
MC78M12C
500 mA Positive Voltage Regulators - ON Semiconductor
MC78M12CDT
3-Terminal 0.5A Positive Voltage Regulator - Fairchild
MC78M12CDT
THREE-TERMINAL MEDIUM CURRENT POSITIVE FIXED VOLTAGE REGULATORS - Motorola Semiconductors
MC78M12CDT
Three-Terminal MEDIUM Current Positive Voltage Regulators - ON
MC78M12CDTG
500mA Positive Voltage Regulators - ON Semiconductor
MC78M12CDTRKG
500mA Positive Voltage Regulators - ON Semiconductor
MC78M12CDTT5G
500mA Positive Voltage Regulators - ON Semiconductor
MC78M12CT
3-Terminal 0.5A Positive Voltage Regulator - Fairchild