BL78D05

BL78D05
Three-terminal positive Voltage Regulator
BL78D05
FEATURES
PIN CONNECTION
Outpu t Crre n t in Exc ess o f 1A
Outpu t Vo ltag e is 5V
In te rn al the rma l O ve rlo ad p ro tec tion
In te rn al Sh ort Circ u it Curren t Limiting
ABSOLUTE MAXIMUM RATINGS (Ta =25°C )
Charac te ristics
S ymb o l
Value
Unit
Vi
35
V
Therma l Re sista nce Ju nc tion -Ca se
Rθ JC
10
℃ /W
Therma l Re sista nce Ju nc tion -A ir
Rθ JC
93
℃ /W
Opera ting Te mpe ra tu re
Topr
-40 ～ 85
℃
Storag e Te mpe ra tu re R ange
Tstg
-55 ～ 15 0
℃
Inp ut Vo ltag e
ELECTRICAL CHARACTERISTICS
(un less o the rwise no te d , Vi= 10V, Io=50 0 mA , -40 ℃ <Tj< 85 ℃ ,C 1=0.3 3 µ F,Co=0 .1 µ F )
Charac te ristics
S ymb o l
Test Co nd ition s
TJ=+25°C
O u t p u t Vo l t a g e
Vo
5.0mA≤ Io≤ 1.0A,Po≤ 15W
Vi = 7 V t o 2 0 V
Vi = 7 V t o 2 5 V
Line Regulation *
Regline
Page1
Regload
Typ
Max
4.9
5.0
5.1
4.85
5.0
5.15
4.0
100
TJ=+25°C
Unit
V
mV
TJ=+25°C
Vi = 8 V t o 1 2 V
Lo a d R e g u l a t i o n *
Min
Io=5.0mA to 1A
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2
50
25
100
mV
V1.0
BL78D05
10
50
5.0
8.0
0.03
0.5
Vi = 8 V t o 2 5 V
0.3
1.3
40
200
Io=250mA to 750mA
Quiescent Current
Quiescent Current
Change
IQ
TJ=+25°C
Io=5.0mA to 1.0A
Δ IQ
mA
mA
O u t p u t N o i s e Vo l t a g e
VN
f = 1 0 H z t o 1 0 0 K H z , T A = + 2 5 °C
Ripple Rejection
RR
f=120Hz
D r o p o u t Vo l t a g e
VDrop
Vi = 8 V t o 1 8 V
Io=1A, TJ=+25°C
56
µ V/Vo
73
dB
2
V
Short Circuit Current
ISC
Vi = 3 5 V, T A = + 2 5 ° C
230
mA
Peak Current
IPK
TJ=+25°C
1.6
A
APPLICATION CIRCUIT
*B yp a ss c apa c itors are rec o mme nde d fo r o p timu m stab ility and transie nt respon se an d
shou ld b e lo ca te d a s c lose a s P ossib le to th e regu la to rs.
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V1.0
BL78D05
OUTLINE DRAWING
TO-25 2
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Un it:mm
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V1.0