BL7812 Просмотр технического описания (PDF) - Galaxy Semi-Conductor
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BL7812 Datasheet PDF : 11 Pages
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Production specification
Three-Terminal Low Current Positive Voltage Regulators
BL78XX
Output noise voltage
VN
Ta=25℃,10Hz ≤f≤100KHz
110
Ripple rejection
RR
18.5V≤Vi≤28.5V,f=120Hz
54
70
Dropout voltage
VD
Tj=25℃,IO=1.0A
2.0
Short Circuit Current Limit
ISC
Tj=25℃
0.5
Average temperature coefficient
Of Output voltage
TCVO
0℃≤Tj≤125℃,IO=5mA
-2.0
μV
dB
V
A
mv/℃
ELECTRICAL CHARACTERISTICS (VIN=27V,IO=500mA,0℃≤Tj≤125℃)
Parameter
Symbol Test conditions
MIN
7818
TYP
MAX
Output voltage
VO
Tj=25℃,IO=100mA
17.3 18.0 18.7
Load regulation
Input regulation
Regload
RegInput
Tj=25℃, IO=5mA-1.5A
Tj=25℃, IO=250mA-750mA
Tj=25℃,21V≤Vi≤33V
Tj=25℃,24V≤Vi≤30V
12
360
4
180
13
360
4
180
Output voltage
VO
21V≤Vi≤33V
17.1
18.9
UNIT
V
mV
mV
V
Quiescent Current
IB
Tj=25℃,IO=5mA
4.5 8.0
mA
Quiescent Current Change
Output noise voltage
Ripple rejection
Dropout voltage
Short Circuit Current Limit
Average temperature coefficient
Of Output voltage
△IB
VN
RR
VD
ISC
TCVO
21V≤Vi≤33V
Ta=25℃,10Hz ≤f≤100KHz
22V≤Vi≤32V,f=120Hz
52
Tj=25℃,IO=1.0A
Tj=25℃
0℃≤Tj≤125℃,IO=5mA
1.0
125
68
2.0
0.4
-2.5
mA
μV
dB
V
A
mv/℃
X085
Rev.A
www.gmesemi.com
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