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产品型号TS431BI的Datasheet PDF文件预览

TS431

Low voltage adjustable shunt reference

Features

TO-92

(Plastic Package)

■ Low voltage operation: 1.24 to 6V

■ 2%, 1% and 0.5% voltage precision

■ Wide operating range cathode current: 60µA to

30mA

■ Low output impedance: 0.2Ω

■ Typically stable for any capacitive loads

■ ESD protection:

■ Human body model: 2kV

SOT23-5

(Plastic Micropackage)

■ Machine model: 200V

■ 100ppm/°C temperature coefficient

Description

The TS431 is a low-voltage, three-terminal,

programmable shunt voltage reference.

The output voltage can be set to any value

between V (1.24V) and 6V with two external

ref

resistors.

When driving an optocoupler, the TS431 is

particularly useful for regulating 3.3V switching

power supplies.

The TS431 is able to operate at a lower voltage

(1.24V) and lower cathode current than the widely

used TL431 and TL1431 shunt voltage reference.

Part number

Temperature range

Package

Packing

Marking

TS431ILT

L272

L271

SOT23-5

TS431AILT

TS431AIYLT

TS431BILT

TS431BIYLT

SOT23-5

(automotive grade level)

(1)

L276

L270

L273

Tape & reel

SOT23-5

(automotive grade level)

-40, + 125°C

SOT23-5

(automotive grade level)

(1)

TS431IYLT

L274

TS431IZ/IZT/IZ-AP

TS431I

TS431AI

TS431BI

Bulk (Z),

Tape & reel (ZT) or Ammo

pack (AP)

TS431AIZ/AIZT/AIZ-AP

TS431BIZ/BIZT/BIZ-AP

TO-92

1. Qualified and characterized according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001

& Q 002 or equivalent.

October 2006

Rev 4

1/14

www.st.com

Contents

TS431

Contents

Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 3

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.1

3.2

3.3

3.4

SOT23-5 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

TO-92 (tape & reel) package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

TO92 (tape ammo pack) package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

TO92 (bulk) package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2/14

TS431

Absolute maximum ratings and operating conditions

Table 1.

Symbol

Absolute maximum ratings

Parameter

Value

Unit

V_KA

I_k

Cathode to anode voltage

Continuous cathode current range

Reference input current range

Power dissipation⁽¹⁾

-20 to +40

-0.05 to +3

I_ref

P_d

°C

TO92 package

SOT23-5 package

625

500

T_std

Storage temperature range

-65 to +150

1. T_junction=150°C, T_amb=25°C with

_THj-a=200°C/W for TO92 package and

_THj-a=250°C/W for SOT23-5L package

Table 2.

Symbol

Operating conditions

Parameter

Value

Unit

V_KA

I_k

Cathode to anode voltage

Cathode current

1.24 to 6

0.06 to 30

-40 to +125

°C

T_operOperating free air temperature range

3/14

Electrical characteristics

TS431

Electrical characteristics

Table 3.

Symbol

= 25°C (unless otherwise specified)

amb

Parameter

Test conditions

Min.

Typ.

Max.

Unit

TS431

TS431A

TS431B

1.215 1.240 1.265

Output voltage

V_KA= V_ref@ I_k= 100μA

V_ref

1.228

1.234

1.252

1.246

0 < T_amb< +70°C

-40 < T_amb< +85°C

-40 < T_amb< +105°C

-40 < T_amb< +125°C

Output voltage change ^{(1) (2)}

I_k= 100μA, V_KA= V_ref

ΔV_ref

Ratio of change in reference input

voltage to change in cathode to

anode voltage

I_K= 10mA

V_KA= 6V to V_ref

1.8

2.7

mV/V

ΔVref

---------------

ΔVka

I_ref

Reference input current

I_K= 10mA

160

I_K=10mA, R₁=10kΩ, R₂=∝

-40 < T_amb< +85°C

-40 < T_amb< +125°C

Reference input current deviation

over temperature range

ΔI_ref

160

240

Minimum cathode current for

regulation

I_min

V_KA= V_ref

μA

I_off

Off-state cathode current

Static impedance

V_KA= 6V_,V_ref= 0

0.001

0.2

0.1

0.4

μA

R_KA

V_KA= V_ref, I_K= 0.1 to 15mA

1. Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation and by design.

ΔV_refis defined as the difference between the maximum and minimum values obtained over the full temperature range.

ΔV_ref= V_{ref max.}- V_{ref min.}

Vref max.

Vref min.

T e m p e ra tu re

4/14

TS431

Electrical characteristics

Figure 1.

Reference voltage vs. temperature Figure 2.

Test circuit for Vka = Vref

1.252

Input

Output

Vka = Vref

Ik = 100 µA

1.248

1.244

1.24

Vka

1.236

1.232

1.228

Vref

-40 -20

80 100 120

Temperature (°C)

Figure 3.

Cathode voltage vs. cathode

current

Figure 4.

Cathode voltage vs. cathode

current

1.5

Vka = Vref

T = 25°C

0.5

-5

+125°C

+85°C

+25°C

-40°C

-10

-15

-1

-0.5

0.5

1.5

Ika Cathode current (µA)

Vka Cathode voltage (V)

Figure 5.

Reference input current vs.

temperature

Figure 6.

Static impedance vs. temperature

0.4

100

Ik = 10mA

R1 = 10 KΩ

R2 = + ∞

0.3

0.2

0.1

Vka = Vref

Ik = 100µA to 15mA

-40

-20

100 120

-40

-20

100 120

Temperature (°C)

5/14

Electrical characteristics

TS431

Figure 7.

Off-state current vs. temperature

Figure 8. Test circuit for off-state current

measurement

200

Input

Vka=6V

150

100

Ioff

-40

-20

100 120

Temperature (°C)

Figure 9.

Ratio of change in reference input Figure 10. Test circuit for Vka > Vref

voltage to change in Vka voltage vs.

temperature

Input

Vka

-1

-2

-3

Iref

Ik = 10mA

Vka = 6V to Vref

Vref

-40

-20

100

120

Vka = Vref . (1+R1/R2) + Iref . R1

Temperature (°C)

Figure 11. Phase and gain vs. frequency

Figure 12. Test circuit for phase and gain

measurement

150

100

Phase

10µF

Output

Ik=100µA

6.8K

10µF

-50

-100

-150

Input

Gain

Vref

4.3K

1E+3

1E+4

1E+5

1E+6

Frequency (Hz)

6/14

TS431

Electrical characteristics

Figure 13. Pulse response at Ik=100μA

Figure 14. Test circuit for pulse response at

Ik=100μA

Input voltage

18KΩ

Ik=100µA

Pulse

Generator

f=100KHz

50Ω

Output voltage

Time (µs)

Figure 15. Pulse response at Ik=1mA

Figure 16. Test circuit for pulse response at

Ik=1mA

Input voltage

1.8KΩ

Ik=1mA

Pulse

Generator

f=100KHz

50Ω

Output voltage

Time (µs)

Figure 17. Equivalent input noise vs. frequency

250

200

150

Vka = Vref

Ik = 100 µA

T=25°C

100

0.1

100

1000

Frequency (KHz)

7/14

Package mechanical data

TS431

Package mechanical data

In order to meet environmental requirements, STMicroelectronics offers these devices in

ECOPACK packages. These packages have a Lead-free second level interconnect. The

category of second level interconnect is marked on the package and on the inner box label,

in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering

conditions are also marked on the inner box label. ECOPACK is an STMicroelectronics

trademark. ECOPACK specifications are available at: www.st.com.

8/14

TS431

Package mechanical data

3.1

SOT23-5 package

Dimensions

Ref.

Millimeters

Typ.

Inches

Min.

Max.

Min.

Typ.

Max.

0.90

0.00

0.90

0.35

0.09

2.80

2.60

1.50

1.45

0.15

1.30

0.50

0.20

3.00

1.75

0.035

0.00

0.057

0.006

0.051

0.02

0.035

0.014

0.003

0.110

0.102

0.059

0.008

0.118

0.069

0.95

1.9

0.037

0.075

0.35

0.55

0.014

0.022

9/14

Package mechanical data

TS431

3.2

TO-92 (tape & reel) package

Dimensions

Ref.

Millimeters

Typ.

Inches

Typ.

Min.

Max.

Min.

Max.

4.32

0.36

4.45

3.30

2.41

1.14

12.7

2.16

0.92

0.41

4.95

0.51

4.95

3.94

2.67

1.40

15.49

2.41

1.52

0.56

0.170

0.014

0.175

0.130

0.095

0.045

0.500

0.085

0.036

0.016

0.195

0.020

0.195

0.155

0.105

0.055

0.610

0.095

0.060

0.022

10/14

TS431

Package mechanical data

3.3

TO92 (tape ammo pack) package

Millimeters

Typ.

Inches

Dim.

Min.

Max.

Min.

Typ.

Max.

5.0

4.0

0.197

0.157

0.45

0.018

2.5

11.7

12.4

5.95

2.4

0.098

0.461

0.488

0.234

0.094

-0.039

0.689

0.224

0.335

12.7

6.35

2.5

13.7

0.500

0.250

0.098

0.539

0.512

0.266

0.110

0.039

0.748

0.248

0.384

0.020

0.787

0.650

0.984

0.165

0.433

F1/F2

Δh

ΔP

6.75

2.8

-1

17.5

5.7

18.0

19.0

6.3

9.75

0.5

0.709

0.236

0.354

8.5

15.5

3.8

16.5

0.610

0.150

0.630

0.157

4.0

4.2

11/14

Package mechanical data

TS431

3.4

TO92 (bulk) package

Millimeters

Typ.

Inches

Typ.

Dim.

Min.

Max.

Min.

Max.

1.27

3.7

0.05

3.2

4.45

4.58

12.7

0.407

0.35

4.2

5.2

0.126

0.1752

0.1803

0.5

0.1457

0.1969

0.198

0.1654

0.2047

0.2098

5.00

5.03

5.33

0.5

0.508

0.016

0.0138

0.0197

0.02

12/14

TS431

Revision history

Table 4.

Date

Document revision history

Revision

Changes

1-Sep-2003

Initial release.

PPAP references inserted in the datasheet. See the order codes

table on the cover page.

1-Oct-2005

Minor changes to formatting and grammar.

TS431AIYLT PPAP reference inserted. See the order codes table on

the cover page.

2-Jan-2006

Included footnote on automotive grade qualification to order code

table on cover page.

22-Sep-2006

Updated package information (changed mils to inches).

13/14

TS431

Please Read Carefully:

Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the

right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any

time, without notice.

All ST products are sold pursuant to ST’s terms and conditions of sale.

Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no

liability whatsoever relating to the choice, selection or use of the ST products and services described herein.

No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this

document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products

or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such

third party products or services or any intellectual property contained therein.

UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED

WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED

WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS

OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.

UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT

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GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK.

Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void

any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any

liability of ST.

ST and the ST logo are trademarks or registered trademarks of ST in various countries.

Information in this document supersedes and replaces all information previously supplied.

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14/14

TS431BI相关文章

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TS431BILT产品参数

型号:	TS431BILT
Brand Name：	STMicroelectronics
是否Rohs认证：	符合
生命周期：	Active
IHS 制造商：	STMICROELECTRONICS
零件包装代码：	SOT-23
包装说明：	SOT-23, 5 PIN
针数：	5
Reach Compliance Code：	compliant
ECCN代码：	EAR99
HTS代码：	8542.39.00.01
Factory Lead Time：	18 weeks
风险等级：	1.2
Is Samacsys：	N
其他特性：	OUTPUT VOLTAGE ADJUSTABLE FROM 1.24V TO 6V
模拟集成电路 - 其他类型：	TWO TERMINAL VOLTAGE REFERENCE
JESD-30 代码：	R-PDSO-G5
JESD-609代码：	e3
长度：	2.9 mm
湿度敏感等级：	1
功能数量：	1
输出次数：	1
端子数量：	5
最高工作温度：	125 °C
最低工作温度：	-40 °C
最大输出电压：	1.246 V
最小输出电压：	1.234 V
标称输出电压：	1.24 V
封装主体材料：	PLASTIC/EPOXY
封装代码：	LSSOP
封装等效代码：	TSOP5/6,.11,37
封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified
座面最大高度：	1.45 mm
子类别：	Voltage References
最大供电电压 (Vsup)：	6 V
最小供电电压 (Vsup)：	1.24 V
表面贴装：	YES
最大电压温度系数：	102.639 ppm/ °C
温度等级：	AUTOMOTIVE
端子面层：	Matte Tin (Sn) - annealed
端子形式：	GULL WING
端子节距：	0.95 mm
端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED
微调/可调输出：	YES
最大电压容差：	0.5%
宽度：	1.625 mm
Base Number Matches：	1

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