BELLING BL2950 100 ma low-dropout voltage regulator Datasheet

BL2950/BL2951
100 mA Low-Dropout Voltage Regulator
BL2950/BL2951
DESCRIPTION
The B L2 950 /B L2 951 a re mono lith ic in te gra ted vo ltag e
reg u la to rs with lo w dro pou t vo ltag e, and lo w q uiescen t cu rren t.
It in clude s ma n y fe a tu res tha t su ita ble fo r differe n t a pp lic ations.
DIP 8
FEATURES
Fix ed ou tp ut ve rsion s, 2.5V, 3V, 3.3V , 3 .6V a nd 5V, a re
TO -9 2
a va ila ble.
High ac cu ra c y ou tpu t volta ge .
Extre me ly lo w q u ie sce nt cu rren t an d d ro pou t voltage .
Extre me ly tigh t load an d line regu la tion.
Curren t an d the rma l limiting.
Very low te mpe ra ture c oeffic ien t.
Lo gic con tro lle d shu td own an d err flog a va ila ble fo r 8 p in
SOP 8
TO -25 2
pack age .
Outpu t vo lta ge p rog ra mma b le for B L295 1.
PIN CONFIGURATION
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BL2950/BL2951
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS (Ta =25℃)
Charac te ristic
Supp ly vo lta ge
Fe ed bac k vo ltage
Shu tdo wn vo lta ge
P ower d issip ation
Opera tion ju nc tion te mpera tu re
Sto ra ge te mpe ra tu re
S ymb o l
Vcc
VFB
VSHDN
PD
TJ
TSTG
*
Limit
-0. 3 ~ + 30
-1. 5 ~ + 30
-0. 3 ~ + 30
In te rn all y Li mited
-40 ~ +12 5
-65 ~ +15 0
Unit
V
V
V
W
℃
℃
*: A bso lu te ma ximu m ratin gs a re tho se va lu es be yo nd wh ich th e de vic e c ou ld be
perma nen tly d a mage d. Abso lu te max imu m ra tings a re stre ss ra ting s o nly a nd fu nc tion a l
de vic e o pe ra tion is no t imp lied .
THERMAL DATA
Charac te ristic
Junction -to -A mb ie nt
Junction -to -C ase
S ymb o l
TO-92
TO-252
SOP 8
DIP 8
TO-92
TO-252
SOP 8
θ JA
θ JC
Limit
160
92
180
105
83
6
45
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Unit
℃/W
℃/W
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BL2950/BL2951
ELECTRICAL CHARACTERISTICS
(un le ss o th erwise spe cified : V I N =6V, I L =100 µA, C L =1 µ F ,T J = 25℃ )
For All Ver sion
Charac te ristic
S ymb o l
Cond ition s
T J = 2 5℃
Outpu t vo lta ge
*1
VOUT
-25 ℃ ≤ T J ≤ +8 5℃ *1
Outpu t vo lta ge
VOUT
100µA≤ I L ≤ 1 00 mA
TJ≤ TJ(max)
Min .
VOUT
×0.98
VOUT
×0.98
VOUT
×0.98
T yp.
VOUT
VOUT
VOUT
Max
VOUT
×1.02
VOUT
×1.02
VOUT
×1.02
Unit
V
V
Outpu t vo lta ge
te mp era ture coe ffic ie nt
Lin e reg u la tion
ΔVOUT
6V≤ V I N ≤ 30V
0.03
0.1
0.2
pp m
/℃
%
Lo ad re gu la tio n
ΔVOUT
100µA≤ I L ≤ 1 00 mA
0.04
0.1
0.2
%
Dropo ut vo ltage
VD
50
80
150
380
450
600
Groun d c urre n t
IG
I L = 100µA
75
120
140
µA
I L = 100mA
8
12
14
mA
V I N =4 .5V, I L =10 0µA
110
170
200
V O U T =0
160
200
220
µA
mA
TcVo
Dropo ut g rou nd cu rren t
Curren t limit
Outpu t
noise (1 0Hz~10 0kHz )
(B yp ass=0. 01 µF pins 7
I LIM IT
eN
to 1(BL2951)
20
I L = 100µA
I L = 100mA
*2
100
C L =1 µ F
430
C L =2 00µ F
160
C L =3 .3µ F
100
mV
µV
For BL295 1 8p in Ve rsion Only
Charac te ristic
S ymb o l
Refe re nc e voltage
VREF
Refe re nc e voltage
VREF
Fe ed bac k p in b ias cu rren t
Refe re nc e voltage
te mp era ture coe ffic ie nt
Fe ed bac k b ias cu rren t
te mp era ture coe ffic ie nt
Error Co mp ara to r
Outpu t lea kag e cu rren t
Outpu t lo w vo ltage
Thre sh old
voltage
H yste re sis
Cond ition s
Ove r te mpe ra tu re *4
Min .
T yp.
Max
Unit
1.22
1.235
1.25
V
1.27
V
40
nA
pp m
/℃
nA/
℃
1
µA
mV
1.19
IFB
20
VREF(TC)
50
IFB (TC )
0.1
IO(LEAK)
VOL
V O H =3 0V
Upper
VTHU
V I N =4 .5V, I O L =40 0µA
*3
Lo we r
VTHL
*3
VHYS
*3
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250
3.2
%VO
7.6
15
%VO
mV
3/9
BL2950/BL2951
Continuious
Charac te ristic
S ymb o l
Cond ition s
Min .
T yp.
Max
1.3
0.7
V S H D N = 2.4V
30
50
V S H D N = 30V
450
600
3
10
Unit
Shutd ow n Inpu t
Inp ut log ic
voltage
Lo w
VIL
Regu la to r ON
High
V IH
Regu la to r O FF
Shu tdo wn p in inpu t
curre n t
Regu la to r ou tpu t
curre n t shu td own
ISHDN
IDFF
V
2.0
V S H D N ≧ 2V, V I N ≦ 30V ,
V O U T = 0 , Fee dba ck p in
tied to 5V Ta p.
µA
µA
* 1 . Add ition a l c ond itio ns fo r 8 -p in ve rsio ns a re FB pin tie d to 5V T A P , Outpu t tie d to Sen se
(V O U T =5V ) a nd V S H D N ≤0. 8V
*2 . D rop ou t Vo lta ge is defined a s th e inp u t to outpu t diffe re ntia l a t which th e ou tpu t
voltage d rop s 100 mV b elow its no mina l va lu e mea su re d a t 1V d iffe re ntia l.
*3 . C o mpa ra to r th resh o ld s are e xp re ssed in te rms o f p ercen tage value of vo ltage ou tp u t.
*4 . V R E F ≤V O U T ≤(V I N -1 V), 2.3V ≤V I N ≤30V, 10 0µA≤I L ≤100 mA, T J ≤T J ( M A X )
APPLICATION CIRCUITS
BL2950-2.5
BL2950-3.0
BL2950-3.3
BL2950-3.6
BL2950-5.0
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BL2950/BL2951
CHARACTERISTICS CURVE
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BL2950/BL2951
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BL2950/BL2951
OUTLINE DRAWING
DIP8
Un it: mm
SOP8
Un it:mm
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BL2950/BL2951
TO-25 2
Un it: mm
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BL2950/BL2951
TO-92
Un it:mm
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