BL78XX
BL7808 ELECTRICAL CHARACTERISTICS
(Refer to the test circuit, -20°C＜TJ ＜85°C ,Io=500mA, Vi=14V, Ci=0.33µ F, Co=0.1µ F,
unless otherwise specified
Characteristics
Symbol
Test Conditions
Min
7.7
7.6
Typ
8.0
8.0
5.0
2.0
10
Max Unit
TJ =+25°C
8.3
V
8.4
Output Voltage
Vo
5.0mA≤Io≤1.0A,Po≤15W
Vi=10.5V to 23V
Vi=10.5V to 25V
160
mV
80
Line Regulation*
Regline TJ =+25°C
Regload TJ =+25°C
Vi=11.5V to 17V
Io=5.0mA to 1.5A
Io=250mA to 750mA
160
mV
80
Load Regulation*
Quiescent Current
5.0
5.0
0.05
0.5
-0.8
52
IQ
TJ =+25°C
8.0
0.5
1.0
mA
mA
Io=5.0mA to 1.0A
Vi=10.5V to 25V
Quiescent Current
Change
ΔIQ
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Io=5.0mA
mV/°C
µ V/Vo
dB
ΔVo/ΔT
VN
f=10Hz to 100KHz,TA =+25°C
f=120Hz Vi=11.5V to 21.5V
Io=1A, TJ =+25°C
Vi=35V, TA =+25°C
TJ =+25°C
RR
56
73
V
Drop
IS C
2
V
Short Circuit Current
Peak Current
230
2.2
mA
A
IP K
*Load and line regulation are specified at constant junction temperature. Changes in Vo
due to heating effects must be taken into account separately. Pulse testing with low duty
is used.
Page5
www.belling.com.cn
V1.0
BELLING [ BELLING ]
