BELLING BL317BS High current adjustable voltage regulator Datasheet

BL317B
HIGH CURRENT ADJUSTABLE VOLTAGE
REGULATOR BL317B
DESCRIPTION
The B L3 17B is a n ad ju stab le 3 -te rmina l p ositive
voltage regu la to r, de signed to sup p ly mo re th an
1
TO-220
1.5A o f ou tp ut c urre nt with vo ltag e a d justab le
fro m1.3V ~ 37V.
1
TO-252
FEATURES
1
Outpu t cu rren t up to 1. 5A
Outpu t vo lta ge ad ju sta ble fro m 1. 3V to 37V
In te rn al sho rt c irc u it p rotec tion
In te rn al o ve r te mp eratu re pro tec tio n
Safe -A re a c o mpen sa tio n for ou tpu t tran sistor
TO-263
1
TO-220F
1
SOT-223
APPLICATIONS
P C Moth erboa rd
LCD Mon ito r
Graph ic Ca rd
DVD P la yer
Netwo rk In terfa ce Ca rd /S witch
Teleco m E qu ip men t
P rin te r and o th er P erip hera l Eq u ip men t
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1:ADJ; 2 : OUTP UT; 3 : INP UT
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BL317B
ORDERING INFORMATION
Device
Pac kag e
S hi ppi ng
B L3 17BT
TO-220
Tube
B L3 17B F
TO-220 F
Tube
B L3 17BY -B
TO-252
2500p cs/ Ree l
B L3 17BY -T
TO-252
80pcs /Tu be
B L3 17B K
TO-263 -2 L
Reel
B L3 17BS
SOT -223
Reel
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS (Ta =25°C ) *
Charac te ristic
S ymb o l
Inp ut - Ou tpu t Vo ltag e Diffe re nce
Min .
Max.
Unit
Vin -V ou t
40
V
P ower Dissipa tion
Pd
In te rn al limite d
Opera ting Te mpe ra tu re Range
TOP R
0
125
°C
Storag e te mp erature
TS
-65
150
°C
Le ad te mpe ra tu re (so ld erin g, 10 sec )
TLEAD
260
°C
*: A bso lu te ma ximu m ratin gs a re stre ss ra ting s o nl y and func tio na l d e vice op era tion is
not imp lied . Th e d e vic e c ou ld be da mag ed be yo nd Abso lu te ma x imu m ra ting s.
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BL317B
ELECTRICAL CHARACTERISTICS
( V I-VO=5V, 0°C <Tj< 125°C , IO=5 00 mA , IMAX=1.5A,P MAX=20W , unless o the rwise
spe c ifie d)
P ara mete r
Lin e
Regu la tion
Lo ad
Regu la tion
Adju stab le P in
curre n t
Adju stab le P in
Curren t Chan ge
Refe re nc e
Voltag e
S ymb o l
∆VO
∆VO
Lo ng -te rm
Stab ility,
TJ=THIGH
Min
Typ
0.01
Max
0.04
Unit
%/V
Ta=0 -1 25 °C,3V≤V I-VO ≤40V
Ta=25°C
VO≤6V
10 mA ≤IO≤IM
VO≤5V
AX
10 mA ≤IO≤IM
VO≤5V
AX
Ta=0 -1 25 °C
VO≤6V
0.02
18
0.4
0.07
25
0.5
mV
%/VO
40
70
mV
0.8
46
1.5
100
%/VO
µA
2.5V≤V I-VO≤40V,
10 mA ≤Io ≤IMAX,P D≤P MAX
3V≤V I-VO ≤40V,
10 mA ≤IO≤IMAX,P D≤P MAX
2.0
5
µA
1.25
1.30
V
IADJ
∆ IADJ
VRE F
Te mp era ture
STT
Stab ility
Min imu m Lo ad IL(MIN )
Curren t for
reg u la tion
Max imu m
IO (MAX )
outpu t C urre nt
RMS No ise v. s.
%of Vou t
Ripp le
Rejec tion
Te st c ond ition s
Ta=25°C ,3V≤V I-VO≤4 0V
1.20
0.7
VI-VO=40V
3.5
VI-VO≤1 5V,P D≤P MAX
1.5
2.2
0.15
0.4
eN
VI-VO≤4 0V,P D≤P MAX,
Ta=25°C
TA=25°C,1 0HZ≤f≤10 KHZ
RR
VO=10V,f=120H Z,CA DJ=0
ST
VO=10V,f=120H Z,CA DJ=10µ
F
TA=25°C,1 000 h r
0.00 3
%/VO
10
A
0.01
60
66
mA
%/VO
dB
75
0.3
1
%
Note : Te sting with low du ty pu lse sh ou ld be u sed to a vo id h ea ting e ffec t.
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V1.3
BL317B
THERMAL DATA
P ara me te r
Junction -to -A mb ie nt
Junction -to -C ase
S ymb o l
TO-252
TO-220
TO-220 F
TO-263
SOT -223
TO-252
TO -22 0
TO -22 0 F
TO -26 3
SOT-223
θJA
θJC
RATING
112
54
44
64
165
12
5
5
5
23
UNITS
℃ /W
℃ /W
APPLICATION CIRCUIT
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V1.3
BL317B
CHARACTERISTICS CURVES
Fig.1. Load Regulation vs
temperature
Fig.2 Adjustment Current vs Temperature
60
0.0
55
Adjustment Current
Output Voltage Deviation
0.2
-0.2
-0.4
Vi=15V
Vo=10V
-0.6
45
40
-0.8
-1.0
0
50
25
50
75
100
35
-50
125
-25
0
Temperature
50
75
100
125
Temperature
Fig.3. Dropout Voltage vs InputOutput Voltage Difference
3.0
25
Fig.4 Reference Voltage vs Temperature
1.260
IL=1.5A
1.255
2.5
Reference Voltage
Input-Output Voltage
Difference
△Vo=100mV
IL=1A
2.0
IL=500mA
IL=200mA
1.250
1.245
1.5
IL=20mA
1.240
1.235
1.0
0
25
50
75
100
125
Temperature
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-50
-25
0
25
50
75
100
Temperature
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V1.3
125
BL317B
Taping reel dimension :
Taping dimension :
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V1.3
BL317B
PACKAGE DIMENSIONS
TO-220
Unit: mm
TO-252
Unit: mm
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V1.3
BL317B
TO-263
Unit: mm
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V1.3
BL317B
TO-220F
Unit: mm
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V1.3
BL317B
SOT-223
Unit: mm
6.50±0.20
3.00±0.10
0.30±0.05
0.25
2.30
0.71±0.01
4.60±0.10
0~10°
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V1.3
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