BELLING BL78XX 3-terminal 1a positive voltage regulator Datasheet

BL78XX
3-Terminal 1A Positive Voltage Regulator
BL78XX
GENERAL DESCRIPTION
The B L7 8XX se rie s of th re e -termina l po sitive reg u la to r are a va ila ble in the
TO-220 pa cka ge an d with se ve ra l fix ed ou tp ut voltage s, mak in g th e m use fu l in a wide
ran ge of a pp lica tio ns. Each t ype e mp lo ys in te rna l cu rren t limiting , therma l shu t d own and
sa fe ope rating area p ro te c tion, mak in g it esse ntia lly ind estru ctible. If a deq ua te h ea t
sink ing is p ro vided , th e y can de liver o ver 1A outpu t cu rren t. Althoug h de sign ed
prima ril y a s fix ed vo ltage regu la tors, the se d e vice s can b e u se d with ex te rn a l c o mpon en ts
to ob ta in a d justab le vo ltag es a nd cu rren ts.
FEATURE
Outpu t Cu rren t up to 1 A
Therma l O ve rloa d P ro tec tion
Short C ircu it P ro te c tio n
Outpu t Tran sisto r Sa fe Opera ting A rea P ro te c tion
Outpu t Vo ltag es :
B L7805 : 5V
B L78 06 : 6V
B L7 808 : 8 V
B L7 809 : 9V
B L78 12: 12V
B L781 5 :15V
PIN CONNECTIONS
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BL78XX
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS (Ta =25°C )
Charac te ristics
S ymb o l
Value
Units
Vi
35
V
Therma l Re sista nce Ju nc tion -Ca se
Rθ JC
5
°C/W
Therma l Re sista nce Ju nc tion -A ir
Rθ JA
65
°C/W
Opera ting Te mpe ra tu re Range
TOPR
-20~+8 5
°C
Storag e Te mpe ra tu re R ange
TSTG
-55~+1 50
°C
Inp ut Vo ltag e
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BL78XX
BL7805 ELECTRICAL CHARACTERISTICS
(Re fe r to the test circu it, -2 0 °C < T J < 85 °C , Io=500 mA , Vi= 10V, C i=0.33µ F, Co=0 .1µ F,
unless o the rwise spe cifie d
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
Line Regulation *
Lo a d R e g u l a t i o n *
Vo
Regline
Regload
5.0mA≤ Io≤ 1.0A,Po≤ 15W
Vi = 7 V t o 2 0 V
Min
Typ
Max
4.8
5.0
5.2
V
4.75
5.0
5.25
Vi = 7 V t o 2 5 V
4.0
100
Vi = 8 V t o 1 2 V
1.6
50
Io=5.0mA to 1.5A
15
100
4
50
5.0
8.0
0.03
0.5
0.3
1.3
mV
TJ=+25°C
mV
TJ=+25°C
Io=250mA to 750mA
Quiescent Current
IQ
Quiescent Current
Change
Δ IQ
TJ=+25°C
Io=5.0mA to 1.0A
mA
mA
Vi = 7 V t o 2 5 V
O u t p u t Vo l t a g e D r i f t
Unit
Δ Vo / Δ T I o = 5 . 0 m A
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
62
-0. 8
mV/°C
42
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
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 he a ting e ffe c ts must b e tak en in to a cc oun t sepa ra tel y. P u lse testing with lo w du ty
is u sed .
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BL78XX
BL7806 ELECTRICAL CHARACTERISTICS
(Re fe r to th e test c ircu it, -20 °C < T J < 8 5 °C , Io=500 mA , Vi=11V, Ci=0.33µ F, C o=0.1µ F,
unless o the rwise spe cifie d
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
Line Regulation *
Lo a d R e g u l a t i o n *
Vo
Regline
Regload
Quiescent Current
IQ
Quiescent Current
Change
Δ IQ
O u t p u t Vo l t a g e D r i f t
5.0mA≤ Io≤ 1.0A,Po≤ 15W
Vi = 8 V t o 2 1 V
Min
Typ
Max
5.75
6.0
6.25
Unit
V
5.7
6.0
6.3
Vi = 8 V t o 2 5 V
5.0
120
Vi = 9 V t o 1 3 V
1.5
60
Io=5.0mA to 1.5A
9
120
Io=250mA to 750mA
3
60
5.0
8.0
mV
TJ=+25°C
mV
TJ=+25°C
TJ=+25°C
Io=5.0mA to 1.0A
0.5
Vi = 8 V t o 2 5 V
1.3
mA
mA
Δ Vo / Δ T I o = 5 . 0 m A
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 = 9 V t o 1 9 V
Io=1A, TJ=+25°C
59
-0. 8
mV/°C
45
µ V/Vo
75
dB
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 he a ting e ffe c ts must b e tak en in to a cc oun t sepa ra tel y. P u lse testing with lo w du ty
is u sed .
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BL78XX
BL7808 ELECTRICAL CHARACTERISTICS
(Re fe r to the test circu it, -2 0 °C < T J < 85 °C , Io=500 mA , Vi= 14V, C i=0.33µ F, Co=0 .1µ F,
unless o the rwise spe cifie d
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
Line Regulation *
Lo a d R e g u l a t i o n *
Vo
Regline
Regload
Quiescent Current
IQ
Quiescent Current
Change
Δ IQ
O u t p u t Vo l t a g e D r i f t
5.0mA≤ Io≤ 1.0A,Po≤ 15W
Vi = 1 0 . 5 V t o 2 3 V
Min
Typ
Max
7.7
8.0
8.3
Unit
V
7.6
8.0
8.4
Vi = 1 0 . 5 V t o 2 5 V
5.0
160
Vi = 11 . 5 V t o 1 7 V
2.0
80
Io=5.0mA to 1.5A
10
160
Io=250mA to 750mA
5.0
80
5.0
8.0
Io=5.0mA to 1.0A
0.05
0.5
Vi = 1 0 . 5 V t o 2 5 V
0.5
1.0
mV
TJ=+25°C
mV
TJ=+25°C
TJ=+25°C
mA
mA
Δ Vo / Δ T I o = 5 . 0 m A
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 = 11 . 5 V t o 2 1 . 5 V
Io=1A, TJ=+25°C
56
-0. 8
mV/°C
52
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
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 he a ting e ffe c ts must b e tak en in to a cc oun t sepa ra tel y. P u lse testing with lo w du ty
is u sed .
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BL78XX
BL7809 ELECTRICAL CHARACTERISTICS
(Re fe r to the test circu it, -2 0 °C < T J < 85 °C , Io=500 mA , Vi= 15V, C i=0.33µ F, Co=0 .1µ F,
unless o the rwise spe cifie d
Charac te ristics
S ymb o l
Test Co nd ition s
8.68
TJ=+25°C
O u t p u t Vo l t a g e
Line Regulation *
Lo a d R e g u l a t i o n *
Vo
Regline
Regload
Quiescent Current
IQ
Quiescent Current
Change
Δ IQ
O u t p u t Vo l t a g e D r i f t
Min
5.0mA≤ Io≤ 1.0A,Po≤ 15W
Vi = 11 . 5 V t o 2 6 V
Typ
Max
9.0
9.32
Unit
V
8.55
9.0
9.45
Vi = 11 . 5 V t o 2 6 V
5.0
150
Vi = 1 2 . 5 V t o 1 8 V
2.0
80
Io=5.0mA to 1.5A
10
160
Io=250mA to 750mA
5.0
80
5.0
8.0
Io=5.0mA to 1.0A
0.05
0.5
Vi = 11 . 5 V t o 2 6 V
0.5
1.0
mV
TJ=+25°C
mV
TJ=+25°C
TJ=+25°C
mA
mA
Δ Vo / Δ T I o = 5 . 0 m A
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 = 11 . 5 V t o 2 1 . 5 V
Io=1A, TJ=+25°C
56
-0. 8
mV/°C
52
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
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 he a ting e ffe c ts must b e tak en in to a cc oun t sepa ra tel y. P u lse testing with lo w du ty
is u sed .
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BL78XX
BL7812 ELECTRICAL CHARACTERISTICS
(Re fe r to the te st c irc uit, -2 0 °C < T J < 85 °C, Io=50 0 mA , Vi=19V, C i=0.33µ F, Co=0. 1µ F,
unless o the rwise spe cifie d
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
Line Regulation *
Lo a d R e g u l a t i o n *
Vo
Regline
Regload
Quiescent Current
IQ
Quiescent Current
Change
Δ IQ
O u t p u t Vo l t a g e D r i f t
5.0mA≤ Io≤ 1.0A,Po≤ 15W
Vi = 1 4 . 5 V t o 2 7 V
Min
Typ
Max
11.5
12
12.5
Unit
V
11.4
12
12.6
Vi = 1 4 . 5 V t o 3 0 V
10
240
Vi = 1 6 V t o 2 2 V
3.0
120
Io=5.0mA to 1.5A
11
240
Io=250mA to 750mA
5.0
120
TJ=+25°C
5.1
8.0
Io=5.0mA to 1.0A
0.1
0.5
Vi = 1 4 . 5 V t o 3 0 V
0.5
1.0
mV
TJ=+25°C
mV
TJ=+25°C
mA
mA
Δ Vo / Δ T I o = 5 . 0 m A
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 = 1 5 V t o 2 5 V
Io=1A, TJ=+25°C
55
-1
mV/°C
76
µ V/Vo
71
dB
2
V
Short Circuit Current
ISC
Vi = 3 5 V, T A = + 2 5 ° C
230
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 he a ting e ffe c ts must b e tak en in to a cc oun t sepa ra tel y. P u lse testing with lo w du ty
is u sed .
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BL78XX
BL7815 ELECTRICAL CHARACTERISTICS
(Re fe r to the test circu it, -2 0 °C < T J < 85 °C , Io=500 mA , Vi= 23V, C i=0.33µ F, Co=0 .1µ F,
unless o the rwise spe cifie d
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
Line Regulation *
Lo a d R e g u l a t i o n *
Vo
Regline
Regload
Quiescent Current
IQ
Quiescent Current
Change
Δ IQ
O u t p u t Vo l t a g e D r i f t
5.0mA≤ Io≤ 1.0A,Po≤ 15W
Vi = 1 7 . 5 V t o 3 0 V
Min
Typ
Max
14.4
15
15.6
Unit
V
14.2 5
15
15.7 5
Vi = 1 7 . 5 V t o 3 0 V
11
300
Vi = 2 0 V t o 2 6 V
3.0
150
Io=5.0mA to 1.5A
12
300
Io=250mA to 750mA
4.0
150
5.2
8.0
mV
TJ=+25°C
mV
TJ=+25°C
TJ=+25°C
Io=5.0mA to 1.0A
0.5
Vi = 1 7 . 5 V t o 3 0 V
1.0
mA
mA
Δ Vo / Δ T I o = 5 . 0 m A
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 = 1 8 . 5 V t o 2 8 . 5 V
Io=1A, TJ=+25°C
54
-1
mV/°C
90
µ V/Vo
70
dB
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 he a ting e ffe c ts must b e tak en in to a cc oun t sepa ra tel y. P u lse testing with lo w du ty
is u sed .
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BL78XX
APPLICATION CIRCUIT
Note s:
(1 ) To spec ify an ou tpu t vo ltag e. su bstitu te vo ltag e va lue fo r "XX. " A co mmo n
gro und is requ ired be twe en th e in pu t and the Outpu t vo lta ge . Th e in put vo ltage must
re ma in typ ic a lly 2.0V a bo ve the ou tp u t voltage e ven during the lo w p oin t on the inpu t
ripp le vo ltage .
(2 ) C i is re qu ired if re g ulator is loc a ted an ap p rec iab le d istanc e fro m power Su pp ly
filter.
(3 ) Co imp ro ve s stab ility an d tran sien t respon se.
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BL78XX
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BL78XX
CHARACTERISTIC CURVES
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BL78XX
OUTLINE DRAWING
TO -22 0
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