参数资料
型号: LM78L12ACZ
厂商: FAIRCHILD SEMICONDUCTOR CORP
元件分类: 固定正电压单路输出标准稳压器
英文描述: 5.0 AMP POSITIVE VOLTAGE REGULATOR
中文描述: 12 V FIXED POSITIVE REGULATOR, PBCY3
封装: TO-92, 3 PIN
文件页数: 12/14页
文件大小: 81K
代理商: LM78L12ACZ
MC78LXXA/LM78LXXA/MC78L05AA
7
Electrical Characteristics(MC78L18A) (Continued)
(VI = 27V, IO = 40mA, 0°C ≤ TJ ≤ 125°C, CI = 0.33μF, CO = 0.1μF, unless otherwise specified. (Note1))
Note:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation PD ≤ 0.75W.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
VO
TJ = 25°C
17.3
18
18.7
V
Line Regulation (Note1)
ΔVO
TJ = 25°C
21V
≤ VI ≤ 33V
-
145
300
mV
22V
≤ VI ≤ 33V
-
135
250
mV
Load Regulation (Note1)
ΔVO
TJ = 25°C
1mA
≤ IO≤100mA
-
30
170
mV
1mA
≤ IO ≤ 40mA
-
15
85
mV
Output Voltage
VO
21V
≤ VI ≤ 33V 1mA ≤ IO ≤ 40mA
17.1
-
18.9
V
21V
≤ VI
VMAX (Note2)
1mA
≤ IO ≤ 70mA
17.1
-
18.9
V
Quiescent Current
IQ
TJ = 25°C-
2.2
6.0
mA
Quiescent Current
Change
With Line
ΔIQ
21V
≤ VI ≤ 33V
-
1.5
mA
With Load
ΔIQ
1mA
≤ IO ≤ 40mA
-
0.1
mA
Output Noise Voltage
VN
TA = 25°C, 10Hz ≤ f ≤ 100kHz
-
150
-
μV/Vo
Temperature Coefficient of VO
ΔVO/ΔTIO = 5mA
-
-1.8
-
mV/
°C
Ripple Rejection
RR
f = 120Hz, 23V
≤ VI ≤ 33V, TJ = 25°C34
48
-
dB
Dropout Voltage
VD
TJ = 25°C-
1.7
-
V
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