SL431BM [AUK]
Programmable Voltage Reference; 可编程电压参考
| 型号： | SL431BM |
| 厂家： | 
AUK CORP |
| 描述： | Programmable Voltage Reference |
| 文件： | 总4页 (文件大小：386K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SL431xM
Semiconductor
Programmable Voltage Reference
Features
• Programmable output voltage to 36 volts
• Sink current capability of 1.0mA to 100mA
• Low dynamic impedance 0.15Ω typical
• Temperature compensated for operation over full rated operating temperature
• Equivalent full-range temperature coefficient of 50ppm/°C (Typical)
• Low output Noise voltage
• Voltage reference tolerance : ±1.0% (Ta=25℃)
Ordering Information
Type NO.
Marking
Package Code
SL431□
SL431xM
TO-92M
□: Grade => B : ±0.5%, A : ±1.0%
Outline Dimensions
unit : mm
Symbol
4.0±0.1
0.44 REF
0.52 REF
Functional block diagram
1.27 Typ.
2.54±0.1.
1 2 3
3.0±0.1
3.8 Min.
PIN Connections
1. Reference
2. Anode
3. Cathode
KSI-9049-000
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SL431xM
Absolute maximum ratings
(Operating ambient temperature range applies unless other specified)
Parameter
Cathode to Anode voltage
Symbol
Ratings
37
Unit
V
VKA
Cathode current range
IKA
-100 ~+150
-0.05~+10
500
mA
mA
mW
°C
Reference input current range
Power dissipation
Iref
PD
Operating temperature range
Storage temperature range
Topr
Tstg
-40~+85
-65~+150
°C
Recommended operating conditions
Ratings
Min.
Parameter
Symbol
Unit
Max.
36
Cathode to Anode voltage
Cathode current range
VKA
IKA
Vref
V
1.0
100
mA
Electrical Characteristics
(Ambient temperature at 25°C, unless otherwise noted.)
Parameter
Symbol
Condition
Min. Typ. Max. Unit
Reference input voltage
(Fig. 1, Note 1)
VKA=Vref,
SL431BM 2.482
SL431AM 2.470
2.508
2.520
Vref
2.495
V
IKA=10mA
Deviation of reference input voltage
Over temperature(Fig. 1, Note 1,2)
Ratio of change in reference input
Voltage to the change in cathode
Voltage(Fig. 2)
VKA=Vref , IKA=10mA
@Ta=TLOW to THIGH
IKA=10mA
∆VKA=10V-Vref
∆VKA=36V-10V
IKA=10mA
R1=10KΩ, R2=∞
IKA=10mA
R1=10KΩ, R2=∞
∆Vref
∆Vref
∆VKA
-
7.0
30
mV
-
-
1.2
0.7
2.7
2.0
mV/V
Reference input current(Fig. 2)
Iref
-
-
1.8
0.4
4.0
2.5
µA
µA
Deviation of reference input current
over temperature(Fig. 2)
∆Iref
Minimum cathode current for
Regulation(Fig. 1)
IMIN
IOFF
ZKA
VKA=Vref
-
-
-
0.35
2.7
1.0
1000
0.5
mA
nA
Ω
Off-state cathode current(Fig. 3)
VKA=36V, Vref=0V
VKA=Vref, f≤1.0KHz
IKA=1.0mA-100mA
Dynamic impedance(Fig. 1, Note 3)
0.14
Fig. 1
Fig. 2
Fig. 3
<Note 1> : TLOW=-40°C, THIGH=+85°C , <Note 2> : ∆Vref= Vref Max. - Vref Min. , <Note 3> : ZKA= ∆VKA/ ∆IKA
KSI-9049-000
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SL431xM
Characteristic diagrams
Fig. 5 IMIN vs. VKA
Fig. 4 IKAvs. VKA
Fig. 6 ∆V ref vs. Ta
Fig. 7 ∆Vref vs. VKA
Fig. 8 Gv vs. frequency
Fig. 9 Pulse response
KSI-9049-000
3
SL431xM
These AUK products are intended for usage in general electronic equipments(Office and
communication equipment, measuring equipment, domestic electrification, etc.).
Please make sure that you consult with us before you use these AUK products in equipm-
ents which require high quality and/or reliability, and in equipments which could have
major impact to the welfare of human life(atomic energy control, airplane, spaceship, traffic
signal, combustion central, all types of safety device, etc.).
AUK cannot accept liability to any damage which may occur in case these AUK products
were used in the mentioned equipments without prior consultation with AUK.
KSI-9049-000
4
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