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
ELECTRICAL CHARACTERISTICS (VIN=29V,IO=500mA,0℃≤Tj≤125℃)
Parameter
Symbol Test conditions
MIN
7820
TYP
MAX
Output voltage
VO
Tj=25℃,IO=100mA
19.2 20.0 20.8
Load regulation
Input regulation
Regload
RegInput
Tj=25℃, IO=5mA-1.5A
Tj=25℃, IO=250mA-750mA
Tj=25℃,23V≤Vi≤35V
Tj=25℃,26V≤Vi≤32V
12
400
4
200
15
400
5
200
Output voltage
VO
23V≤Vi≤35V
19.0
21.0
UNIT
V
mV
mV
V
Quiescent Current
IB
Tj=25℃,IO=5mA
4.6 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
23V≤Vi≤35V
Ta=25℃,10Hz ≤f≤100KHz
24V≤Vi≤34V,f=120Hz
50
Tj=25℃,IO=1.0A
Tj=25℃
0℃≤Tj≤125℃,IO=5mA
1.0
135
66
2.0
0.4
-3.0
mA
μV
dB
V
A
mv/℃
ELECTRICAL CHARACTERISTICS (VIN=33V,IO=500mA,0℃≤Tj≤125℃)
Parameter
Symbol Test conditions
MIN
7824
TYP
MAX
Output voltage
VO
Tj=25℃,IO=100mA
23.0 24.0 25.0
Load regulation
Input regulation
Regload
RegInput
Tj=25℃, IO=5mA-1.5A
Tj=25℃, IO=250mA-750mA
Tj=25℃,27V≤Vi≤38V
Tj=25℃,30V≤Vi≤36V
12
480
4
240
18
480
6
240
Output voltage
VO
27V≤Vi≤38V
22.8
25.2
UNIT
V
mV
mV
V
Quiescent Current
IB
Tj=25℃,IO=5mA
4.6 8.0
mA
Quiescent Current Change
△IB
27V≤Vi≤38V
1.0
mA
X085
Rev.A
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