BL7805 Просмотр технического описания (PDF) - Shanghai Belling Co., Ltd.
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BL7805 Datasheet PDF : 12 Pages
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BL78XX
BL7815 ELECTRICAL CHARACTERISTICS
(Re fe r to the tes t circu it, -2 0 °C ＜ TJ ＜ 85 °C , Io=500 mA , Vi= 23V, C i=0.33µ F, Co=0 .1µ F,
unless otherwise specified
Characteristics Symbol
Test Conditions
Min Typ Max Unit
O u t p u t Vo l t a g e
Line Regulation*
TJ=+25°C
Vo
5.0mA≤ Io≤ 1.0A,Po≤ 15W
Vi=17.5V to 30V
Regline TJ=+25°C
Vi=17.5V to 30V
Vi=20V to 26V
14.4 15 15.6
V
14.25 15 15.75
11 300
mV
3.0 150
Load Regulation*
Regload TJ=+25°C
Io=5.0mA to 1.5A
Io=250mA to 750mA
12 300
mV
4.0 150
Quiescent Current
IQ
TJ=+25°C
5.2 8.0 mA
Quiescent Current
Change
Δ IQ
Io=5.0mA to 1.0A
Vi=17.5V to 30V
0.5
mA
1.0
O u t p u t Vo l t a g e D r i f t Δ Vo / Δ T I o = 5 . 0 m A
-1
mV/°C
O u t p u t N o i s e Vo l t a g e
VN
f=10Hz to 100KHz,TA=+25°C
90
µ V/Vo
Ripple Rejection
RR f=120Hz Vi=18.5V to 28.5V
54 70
dB
D r o p o u t Vo l t a g e
VDrop Io=1A, TJ=+25°C
2
V
Short Circuit Current
ISC
Vi = 3 5 V, T A = + 2 5 ° C
250
mA
Peak Current
IPK
TJ=+25°C
2.2
A
*Loa d an d line reg u la tion are spec ifie d a t c o nstan t ju nc tion te mpe ra tu re . Cha nge s in Vo
due to heating effects must be taken into account separately. Pulse testing with low duty
is used.
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