BL431 [BL Galaxy Electrical]
Programmable Shunt Regulator; 可编程并联稳压器
| 型号： | BL431 |
| 厂家： | 
BL Galaxy Electrical |
| 描述： | Programmable Shunt Regulator |
| 文件： | 总4页 (文件大小：175K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
BL Galaxy Electrical
Production specification
Programmable Shunt Regulator
BL431
FEATURES
Pb
Lead-free
z
z
z
z
Programmable output voltage to 36 volts.
Low dynamic output impedance 0.20 typical
Sink current capability of 1.0 to 100mA
Equivalent full-range temperature coefficient of 50ppm/℃
typical
z
Temperature compensated for operation over full rated
Operating temperature range
z
z
Low output noise voltage
SOT-23
Fast turn-on response
ORDERING INFORMATION
Type No.
BL431
Marking
431
Package Code
SOT-23
MAXIMUM RATING @ Ta=25℃ unless otherwise specified
Parameter
symbol
limits
37
unit
V
Cathode Voltage
VKA
Cathode current Range(Continuous)
Reference Input Current Range
IKA
-100~+150
0.05~-10
mA
mA
IREF
Power dissipation
D,Z Suffix Package
N Suffix Package
770
1000
PD
mW
Operating temperature Range
Storage temperature Range
TOPR
TSTG
-25~+85
℃
℃
-65to+150
Recommended Operating Conditions
Parameter
Cathode Voltage
symbol
Min
VREF
1.0
Typ
Max
36
Unit
V
VKA
IKA
-
-
Cathode Current
100
mA
Document number: BL/SSSR171
Rev.A
www.galaxycn.com
1
BL Galaxy Electrical
Production specification
Programmable Shunt Regulator
BL431
ELECTRICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified
Parameter
symbol
conditions
Min. Typ. Max. unit
Reference Input voltage
VREF
VKA=VREF,IKA=10mA
2.44 2.495 2.55
V
Deviation of Reference Input
Voltage Over-Temperature
(Note1)
∆VREF
/
VKA=VREF,IKA=10mA,
4.5
17
mV
∆T
T
MIN≤TA≤TMAX
Ratio of Change in Reference
Input Voltage to the Change in
Cathode Voltage
∆VKA=10V-VREF
∆VKA=36V-10V
-10
-0.5
1.5
-2.7
-2.0
4
∆VREF
∆VKA
/
IKA=
mV/V
10mA
IKA=10mA,
Reverse Input current
IREF
μA
μA
R1=10KΩ,R2=∞
IKA=10mA,
Deviation of Reference Input
Currrent Over Full Temperature
Range
∆IREF/∆T R1=10KΩ,R2=∞
0.4
1.2
TA=Full Range
Minimun Cathode Current for
Regulation
IKA(MIN
VKA= VREF
VKA=36V,
0.45 1.0
0.05 1.0
mA
Off-Stage Cathode Current
IKA(OFF)
μA
V
REF=0
VKA= VREF
,
Dynamic Impedance(Note2)
ZZA
IKA=1 to 100mA
0.15 0.5
ꢀ
f≥1.0KHz
•TMIN=-25℃,TMAX=+85℃
TYPICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified
Document number: BL/SSSR171
Rev.A
www.galaxycn.com
2
BL Galaxy Electrical
Production specification
Programmable Shunt Regulator
BL431
Document number: BL/SSSR171
Rev.A
www.galaxycn.com
3
BL Galaxy Electrical
Production specification
Programmable Shunt Regulator
BL431
PACKAGE OUTLINE
Plastic surface mounted package
SOT-23
SOT-23
Dim
A
Min
2.85
1.25
Max
2.95
1.35
B
C
D
E
1.0Typical
0.37
0.35
1.85
0.02
0.43
0.48
1.95
0.1
G
H
J
0.1Typical
K
2.35
2.45
All Dimensions in mm
SOLDERING FOOTPRINT
Unit : mm
PACKAGE INFORMATION
Device
BL431
Package
SOT-23
Shipping
3000/Tape&Reel
Document number: BL/SSSR171
Rev.A
www.galaxycn.com
4
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