参数资料
型号: LM78L12ACZX
厂商: Fairchild Semiconductor
文件页数: 7/13页
文件大小: 0K
描述: IC REG LDO 12V .1A TO-92
产品变化通告: Wire Composition Change 08/Aug/2008
标准包装: 1
稳压器拓扑结构: 正,固定式
输出电压: 12V
输入电压: 最高 35V
电压 - 压降(标准): 1.7V @ 40mA
稳压器数量: 1
电流 - 输出: 100mA
工作温度: 0°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-226-3、TO-92-3(TO-226AA)成形引线
供应商设备封装: TO-92-3
包装: 剪切带 (CT)
其它名称: LM78L12ACZXCT
Electrical Characteristics (MC78L15A)
V I = 23 V, I O = 40 mA, 0 ° C ≤ T J ≤ 125 ° C, C I = 0.33 μ F, C O = 0. 1 μ F, unless otherwise specified.
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
V O
Δ V O
Δ V O
Output Voltage
Line Regulation (9)
Load Regulation (9)
T J = 25 ° C
T J = 25 ° C
T J = 25 ° C
17.5 V ≤ V I ≤ 30 V
20 V ≤ V I ≤ 30 V
1 mA ≤ I O ≤ 100 mA
1 mA ≤ I O ≤ 40 mA
14.4
15.0
25
20
25
12
15.6
300
250
150
75
V
mV
mV
mV
mV
V O
Output Voltage
17.5 V ≤ V I ≤ 30 V 1 mA ≤ I O ≤ 40 mA 14.25
17.5 V ≤ V I ≤ V MAX(10) 1 mA ≤ I O ≤ 70 mA 14.25
15.75
15.75
V
V
I Q
Quiescent Current
T J = 25 ° C
2.1
6.0
mA
Δ I Q
Δ I Q
Quiescent
Current Change
With Line
With Load
20 V ≤ V I ≤ 30 V
1 mA ≤ I O ≤ 40 mA
1.5
0.1
mA
mA
V N
Output Noise Voltage
T A = 25 ° C, 10 Hz ≤ f ≤ 100 kHz
90
μ V/Vo
Δ V O / Δ T
Temperature Coefficient of V O I O = 5 mA
-1.3
mV/ ° C
RR
V D
Ripple Rejection
Dropout Voltage
f = 120 Hz, 18.5 V ≤ V I ≤ 28.5 V, T J = 25 ° C
T J = 25 ° C
34
60
1.7
dB
V
Notes:
9. 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 represents pulse test conditions with junction temperature as indicated
at the initiation of tests.
10. Power dissipation P D ≤ 0.75 W.
? 2002 Fairchild Semiconductor Corporation
MC78LXXA / LM78LXXA Rev. 1.1.0
7
www.fairchildsemi.com
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