78L12 查看數據表（PDF） - Contek Microelectronics
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78L12 Datasheet PDF : 7 Pages
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78LXX
LINEAR INTEGRATED CIRCUIT
Contek 78L12 ELECTRICAL CHARACTERISTICS
(VI=19V,Io=40mA ,0 C <Tj<125 C,C1=0.33uF,Co=0.1uF,unless otherwise specified)(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Tj=25 C
11.5
Output Voltage
VO
14.5V<=VI<=27V,I O=1mA-40mA 11.4
14.5V<=VI<=VMAX,
11.4
IO=1mA-70mA
Load Regulation
Vo Tj=25 C,IO=1mA-100mA
Tj=25 C,IO=1mA-40mA
Line regulation
Vo 14.5V<=VI<=27V,Tj=25 C
Quiescent Current
16V<=VI<=27V,Tj=25 C
DIq VIN=19V,I O=0mA,Tj=25 C
Quiescent Current Change
DIq 16V<=VI<=27V
DIq 1mA<=VI<=40mA
Output Noise Voltage
VN 10Hz<=f<=100kHz
Temperature coefficient of Vo
DVo/DT Io=5mA
Ripple Rejection
RR 15V<=VI<=25V,f=120Hz,Tj=25 C 37
Dropout Voltage
Vd Tj=25 C
TYP
12
25
12
25
20
2.0
80
-1.0
65
1.7
MAX UNIT
12.5 V
12.6 V
12.6 V
(note 2)
150 mV
75 mV
300 mV
250 mV
6.0 mA
1.5 mA
0.1 mA
uV
mV/ C
dB
V
Contek 78L15 ELECTRICAL CHARACTERISTICS
(VI=23V,Io=40mA ,0 C <Tj<125 C,C1=0.33uF,Co=0.1uF,unless otherwise specified)(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
Output Voltage
Tj=25 C
14.4 15
Vo
17.5V<=VI<=30V,I O=1mA-40mA 14.25
17.5V<=VI<=VMAX,
14.25
Load Regulation
IO=1mA-70mA
Vo Tj=25 C,IO=1mA-100mA
20
Line regulation
Tj=25 C,IO=1mA-70mA
25
Vo 17.5V<=VI<=30V,Tj=25 C
25
20V<=VI<=30V,Tj=25 C
15
Quiescent Current
DIq VIN=23V,I O=0mA,Tj=25 C
2.2
Quiescent Current Change
DIq 20V<=VI<=30V
DIq 1mA<=VI<=40mA
Output Noise Voltage
VN 10Hz<=f<=100kHz
90
Temperature coefficient of Vo
DVo/DT Io=5mA
-1.3
Ripple Rejection
RR 18.5V<=VI<=28.5V,f=120Hz,
Tj=25 C
34 63
Dropout Voltage
Vd Tj=25 C
1.7
MAX UNIT
15.6 V
15.75 V
15.75 V
(note 2)
150 mV
150 mV
150 mV
75 mV
6.5 mA
1.5 mA
0.1 mA
uV
mV/ C
dB
V
Contek Microelectronics Co.,Ltd.
4
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com
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