参数资料
型号: MC78L18ACX
厂商: VISHAY SEMICONDUCTORS
元件分类: 固定正电压单路输出标准稳压器
英文描述: 18 V FIXED POSITIVE REGULATOR, PSSO3
封装: SOT-89, 3 PIN
文件页数: 7/8页
文件大小: 71K
代理商: MC78L18ACX
Ratings and
Characteristic Curves (TA = 25°C unless otherwise noted)
0
Fig. 1 – Dropout Characteristics
V
O
-
-Output
V
oltage
(V)
VI -- Input Voltage (V)
0
Fig. 4 – Input Bias Current
vs. Input Voltage
I IB
-
-Input
Bias
Current
(mA)
VI -- Input Voltage (V)
0
Fig. 2 – Dropout Voltage
vs. Junction Temperature
V
I-V
O
-
-Input/Output
Dif
ferential
V
oltage
(V)
TJ -- Junction Temperature (°C)
P
D
-
-Power
Dissipation
(mW)
TA -- Ambient Temperature (°C)
Fig. 5 – Max. Average Power Dissipation
vs. Ambient Temperature – TO-92
0
I IB
-
-Input
Bias
Current
(mA)
TA -- Ambient Temperature (°C)
Fig. 3 – Input Bias Current
vs. Ambient Temperature
0
R
θJA
-
Thermal
Resistance
Junction-to-Air
C/W)
L -- Length of Copper (mm)
Fig. 6 – SOP-8 Thermal Resistance & Max.
Power Dissipation vs. P.C.B.Copper Length
2.0
4.0
6.0
8.0
0.5
1.0
1.5
2.0
2.5
1.0
2.0
3.0
4.0
5.0
4.0
6.0
8.0
10
25
50
75
100
125
5.0
10
15
20
25
30
35
40
10
20
30
40
50
25
50
75
100
125
3.0
10,000
1000
100
10
3.2
3.4
3.6
3.8
4.0
4.2
25
50
75
100
125
150
30
50
70
90
110
130
150
170
2.0 oz.
Copper
3.0 mm
L
MC78L05
Vout = 5.0V
TJ = 25°C
IO = 1.0mA
IO = 40mA
IO = 100mA
IO = 70mA
IO = 40mA
IO = 1.0mA
Dropout of Regulation
is defined as when
VO = 2% of VO
MC78L05
VI = 10V
VO = 5.0V
IO = 40mA
R
θJA = 200°C/W
PD(max) to 25°C = 625mW
MC78L05
Vout = 5.0V
IO = 40mA
TJ = 25°C
No Heatsink
PD(max) for TA = 50°C
R
θJA
MC78L00
Vishay
formerly General Semiconductor
Document Number 74823
www.vishay.com
18-Dec-02
7
相关PDF资料
PDF描述
MC78M12CDT-1R2 12 V FIXED POSITIVE REGULATOR, PSIP3
MC78M12ACDT-1R2 12 V FIXED POSITIVE REGULATOR, PSIP3
MC78M18CDT-1R2 18 V FIXED POSITIVE REGULATOR, PSIP3
MC78M20CDTR2 20 V FIXED POSITIVE REGULATOR, PSSO2
MC79L05ABPRP 5 V FIXED NEGATIVE REGULATOR, PBCY3
相关代理商/技术参数
参数描述
MC78L18ACZ 制造商:BOCA 制造商全称:Boca Semiconductor Corporation 功能描述:3-TERMINAL 0.1A NEGATIVE VOLTAGE REGULATORS
MC78L18AD 制造商:BOCA 制造商全称:Boca Semiconductor Corporation 功能描述:3-TERMINAL 0.1A NEGATIVE VOLTAGE REGULATORS
MC78L18AZ 制造商:BOCA 制造商全称:Boca Semiconductor Corporation 功能描述:3-TERMINAL 0.1A NEGATIVE VOLTAGE REGULATORS
MC78L18CP 制造商:ONS 功能描述:ON SEMICONDUCTOR S8E3A
MC78L24A 制造商:BOCA 制造商全称:Boca Semiconductor Corporation 功能描述:3-TERMINAL 0.1A NEGATIVE VOLTAGE REGULATORS