STPS140A各脚功能电路原理芯片引脚定义引脚图及功能IC贸易商-中国IC网-芯三七

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产品型号STPS140A的概述

STPS140A芯片概述及详细参数分析一、芯片概述 STPS140A是一款由STMicroelectronics（意法半导体）生产的双向整流二极管，其主要应用于电源管理和整流电路。这款芯片因其高性能及可靠性，广泛应用于各种电子设备，如电源适配器、开关电源、家用电器等领域。STPS140A的设计理念是提供良好的电流承载能力及低反向恢复特性，使其在高频应用中表现优异。二、详细参数 1. 重要电气参数 | 参数 | 参数值 | |---------------------|-------------------------------| | 正向电压降(VF) | 0.5V @ 10A | | 反向耐压(VR) | 40V ...

产品型号STPS140A的Datasheet PDF文件预览

STPS140A/U

POWER SCHOTTKY RECTIFIER

MAIN PRODUCT CHARACTERISTICS

I_F(AV)

V_RRM

1 A

40 V

0.5 V

V_F(max)

FEATURES AND BENEFITS

VERY SMALL CONDUCTION LOSSES

NEGLIGIBLE SWITCHING LOSSES

LOW FORWARD VOLTAGE DROP

SURFACE MOUNTED DEVICE

SMB

STPS140U

SMA

STPS140A

DESCRIPTION

Single chip Schottky rectifier suited for Switch-

mode Power Supplies and high frequency DC to

DC converters.

Packaged in SMA and SMB(*), this device is in-

tended for surface mounting and used in low volt-

age, high frequency inverters, free wheeling and

polarity protection applications.

(*) in accordance with DO214AAand DO21AC JEDEC

ABSOLUTE RATINGS (limiting values)

Symbol

Parameter

Repetitive peak reverse voltage

Value

Unit

V_RRM

I_F(RMS)RMS forward current

I_F(AV)

Average forward current δ = 0.5

SMA

SMB

T_L= 130°C

T_L= 135°C

I_FSM

I_RRM

Surge non repetitive forward current

Repetitive peak reverse current

tp = 10 ms

Sinusoidal

tp = 2 s

F = 1kHz

I_RSM

T_stg

Non repetitive peak reverse current

Storage temperature range

tp = 100 s square

- 65 to + 150

150

°C

Maximum junction temperature

Critical rate of rise of reverse voltage

V/ s

dV/dt

10000

July 1998 - Ed: 6B

1/6

STPS140A/U

THERMAL RESISTANCES

Symbol

Parameter

Value

Unit

R_{th (j-l)}

Junction to lead

SMA

SMB

C/W

STATIC ELECTRICAL CHARACTERISTICS

Symbol

Tests Conditions

Min. Typ. Max.

Unit

I_R*

Reverse leakage current Tj = 25 C

V_R= 40V

Tj = 100°C

0.25

0.43

0.53

V_F**

Forward voltage drop

Tj = 25 C

I_F= 1 A

0.55

0.5

= 1 A

Tj = 125 C

I_F

I_F= 2 A

= 2 A

Tj = 25 C

0.65

0.6

Tj = 125 C

I_F

Pulse test : * tp = 5 ms, δ < 2 %

** tp = 380 µs, δ < 2%

To evaluate the maximum conduction losses use the following equation :

P = 0.4 x I_F(AV)+ 0.10 x I_{F (RMS)}

Fig. 1:

average forward current.

Fig. 2:

Average forward current versus ambient

Average forward power dissipation versus

temperature ( =0.5).

IF(av)(A)

PF(av)(W)

1.2

0.7

δ = 0.1

δ = 0.2

δ = 0.5

Rth(j-a)=Rth(j-l)

0.6

1.0

0.8

0.6

δ = 0.05

SMA

Rth(j-a)=100°C/W

S(Cu)=1.5cm²

0.5

0.4

0.3

0.2

0.1

δ = 1

SMB

Rth(j-a)=80°C/W

S(Cu)=1.5cm²

0.4

0.2

=tp/T

IF(av) (A)

Tamb(°C)

=tp/T

0.0

0.2

0.4

0.6

0.8

1.0

1.2

100

125

150

2/6

STPS140A/U

Fig. 3-1:

Fig. 3-2:

Non repetivesurge peak forward current

versus overload duration (maximum values) (SMA).

Non repetivesurge peak forward current

versus overload duration (maximum values) (SMB).

IM(A)

Ta=25°C

Ta=50°C

Ta=100°C

=0.5

t(s)

=0.5

1E-3

1E-2

1E-1

1E+0

1E-3

1E-2

1E-1

1E+0

Fig. 4-1:

Fig. 4-2:

Relative variation of thermal impedance

junction to ambient versus pulse duration (SMA).

Relative variation of thermal impedance

junction to ambient versus pulse duration (SMB).

Zth(j-a)/Rth(j-a)

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0.0

Printed circuit board: SCu=1.5cm²(e=35µm)

0.9

0.8

0.7

0.6

0.5

0.4

δ = 0.5

0.3

δ = 0.2

δ = 0.1

0.2

0.1

0.0

δ = 0.1

=tp/T

tp(s)

=tp/T

Single pulse

1E+0

1E+3

1E-2

1E-1

1E+1

1E+2

1E-2

1E-1

1E+0

1E+1

1E+2

Fig. 5:

Fig. 6:

Reverse leakage current versus reverse

Junction capacitance versus reverse

voltage applied (typical values).

voltage applied (typical values)

IR(µA)

C(pF)

1E+3

200

Tj=125°C

F=1MHz

Tj=25°C

1E+2

100

Tj=75°C

1E+1

1E+0

Tj=25°C

1E-1

VR(V)

1E-2

3/6

STPS140A/U

Fig. 7:

current (maximum values).

Fig. 8-1:

Thermal resistance junction to ambient

Forward voltage drop versus forward

versus copper surface under each lead (Epoxy

printed circuit board, copper thickness: 35 m)(SMB).

IFM(A)

Rth(j-a) (°C/W)

1E+1

120

Tj=125°C

P=1.5W

100

1E+0

1E-1

S(Cu) (cm²)

VFM(V)

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

1E-2

Fig. 8-2:

Thermal resistance junction to ambient

versus copper surface under each lead (Epoxy

printed circuit board, copper thickness: 35 m)(SMA).

Rth(j-a) (°C/W)

140

P=1.5W

120

100

S(Cu) (cm²)

4/6

STPS140A/U

PACKAGE MECHANICAL DATA

SMA

DIMENSIONS

Millimeters Inches

REF.

Min.

Max.

Min.

Max.

1.90

0.05

1.25

0.15

4.80

3.95

2.25

0.75

2.70

0.20

1.65

0.41

5.60

4.60

2.95

1.60

0.075

0.002

0.049

0.006

0.189

0.156

0.089

0.030

0.106

0.008

0.065

0.016

0.220

0.181

0.116

0.063

FOOT PRINT

(in millimeters)

Marking:

S140

1.65

1.45

2.40

1.45

5/6

STPS140A/U

PACKAGE MECHANICAL DATA

SMB Plastic

DIMENSIONS

Millimeters Inches

REF.

Min.

Max.

Min.

Max.

1.90

0.05

1.95

0.15

5.10

4.05

3.30

0.75

2.45

0.20

2.20

0.41

5.60

4.60

3.95

1.60

0.075

0.002

0.077

0.006

0.201

0.159

0.130

0.030

0.096

0.008

0.087

0.016

0.220

0.181

0.156

0.063

Marking:

G14

FOOT PRINT

(in millimeters)

2.3

1.52

2.75

1.52

Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of

use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by

implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to

change without notice. This publication supersedes and replaces all information previously supplied.

STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written ap-

proval of STMicroelectronics.

The ST logo is a registered trademark of STMicroelectronics

STMicroelectronics GROUP OF COMPANIES

Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia

Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A.

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STPS140A相关文章

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STPS140A产品参数

型号:	STPS140A
是否Rohs认证：	符合
生命周期：	Contact Manufacturer
IHS 制造商：	CHANGZHOU GALAXY CENTURY MICROELECTRONICS CO LTD
Reach Compliance Code：	unknown
Is Samacsys：	N
配置：	SINGLE
二极管类型：	RECTIFIER DIODE
最大正向电压 (VF)：	0.5 V
最大非重复峰值正向电流：	60 A
元件数量：	1
最高工作温度：	150 °C
最大输出电流：	1 A
最大重复峰值反向电压：	40 V
子类别：	Rectifier Diodes
表面贴装：	YES
技术：	SCHOTTKY
Base Number Matches：	1

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