STPS1545CT原理图各脚功能电路原理芯片引脚定义引脚图及功能-中国IC网-芯三七

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产品型号STPS1545CT的概述

STPS1545CT芯片概述 STPS1545CT是一款由意法半导体（STMicroelectronics）生产的高效整流二极管，属于肖特基二极管类别。其主要领域包括电源管理、直流-直流变换器、高频电源等应用。由于其低正向压降、高速开关特性和出色的热管理能力，STPS1545CT在多种应用中得到了广泛应用。主要参数 STPS1545CT具有一系列特性，使其适合在要求苛刻的环境下工作。以下是该芯片的详细参数： 1. 正向电压（Vf）：在较大电流下，STPS1545CT的正向电压通常在0.4V到0.47V之间，具体取决于工作温度和电流值。 2. 反向电压（Vr）：该二极管的最大反向工作电压为45V，这使其适用于较高电压的应用场合。 3. 正向电流（If）：STPS1545CT的最大正向电流为15A，能够承受较大的负载。 4. 工作温度（Tj）：该芯片的工作温度范围是-40...

产品型号STPS1545CT的Datasheet PDF文件预览

STPS1545CT/CF/CG/CFP/CR

POWER SCHOTTKY RECTIFIER

MAIN PRODUCT CHARACTERISTICS

I_F(AV)

V_RRM

2 x 7.5 A

45 V

Tj (max)

V_F(max)

175 °C

0.57 V

FEATURES AND BENEFITS

■

VERY SMALL CONDUCTION LOSSES

NEGLIGIBLE SWITCHING LOSSES

EXTREMELY FAST SWITCHING

TO-220AB

ISOWATT220AB

STPS1545CF

STPS1545CT

INSULATED

TO-220FPAB

PACKAGE:

ISOWATT220AB,

Insulating voltage = 2000V DC

Capacitance = 12pF

■

AVALANCHE CAPABILITY SPECIFIED

DESCRIPTION

Dual center tap Schottky rectifier suited for

SwitchMode Power Supply and high frequency DC

to DC converters.

D²PAK

STPS1545CG

TO-220FPAB

Packaged either in TO-220AB, ISOWATT220AB,

TO-220FPAB, D²PAK or I²PAK, this device is es-

pecially intended for use in low voltage, high fre-

quency inverters, free wheeling and polarity

protection applications.

STPS1545CFP

I²PAK

STPS1545CR

July 2003 - Ed: 5F

1/8

STPS1545CT/CF/CG/CFP/CR

ABSOLUTE RATINGS (limiting values, per diode)

Symbol

Parameter

Value

Unit

V_RRM

Repetitive peak reverse voltage

I_F(RMS)RMS forward current

I_F(AV)

Average forward

TO-220AB / D²PAK

I²PAK

Tc = 157°C

Tc = 130°C

Per diode

7.5

current δ = 0.5

ISOWATT220AB

TO-220FPAB

Per device

150

I_FSM

I_RRM

Surge non repetitive forward current

tp = 10 ms

Sinusoidal

Repetitive peak reverse current

tp = 2 µs square

F = 1kHz

I_RSM

P_ARM

T_stg

Non repetitive peak reverse current

Repetitive peak avalanche power

Storage temperature range

tp = 100 µs square

tp = 1µs Tj = 25°C

2700

-65 to +175 °C

Maximum operating junction temperature *

Critical rate of rise of reverse voltage

175

°C

dV/dt

10000

V/µs

dPtot

* :

thermal runaway condition for a diode on its own heatsink

dTj

Rth(j − a)

THERMAL RESISTANCES

Symbol

Parameter

Value

Unit

R_{th (j-c)}Junction to case

TO-220AB / D²PAK / I²PAK

Per diode

Total

3.0

1.7

°C/W

ISOWATT220AB / TO-220FPAB

Per diode

Total

5.5

4.2

R_{th (c)}

TO-220AB / D²PAK / I²PAK

Coupling

0.35

2.9

ISOWATT220AB / TO-220FPAB

When the diodes 1 and 2 are used simultaneously:

∆ Tj (diode 1) = P (diode1) x R_th(j-c)(per diode) + P (diode 2) x R_th(c)

STATIC ELECTRICAL CHARACTERISTICS (Per diode)

Symbol

Parameter

Tests Conditions

Min. Typ. Max.

Unit

µA

I_R*

Reverse leakage current

Tj = 25°C

V_R= V_RRM

100

Tj = 125°C

Tj = 25°C

V_F*

Forward voltage drop

I_F= 7.5 A

I_F= 15 A

0.5

0.57

0.84

0.72

Tj = 125°C

0.65

Pulse test : * tp = 380 µs, δ < 2%

To evaluate the conduction losses use the following equation :

P = 0.42 x I_F(AV)+ 0.020 I_{F (RMS)}

2/8

STPS1545CT/CF/CG/CFP/CR

Fig. 1: Average forward power dissipation versus

average forward current (per diode).

Fig. 2: Average current versus ambient

temperature (δ= 0.5, per diode).

PF(av)(W)

IF(av)(A)

δ = 0.1 δ = 0.2

δ = 0.5

TO-220AB

D²PAK

Rth(j-a)=Rth(j-c)

δ = 0.05

ISOWATT220AB

TO-220FPAB

δ = 1

Rth(j-a)=15°C/W

Rth(j-a)=40°C/W

IF(av) (A)

=tp/T

Tamb(°C)

=tp/T

100

125

150

175

Fig. 3: Normalized avalanche power derating

versus pulse duration.

Fig. 4: Normalized avalanche power derating

versus junction temperature.

(t )

(1µs)

ARM

(t )

(25°C)

ARM

1.2

0.1

0.8

0.6

0.4

0.2

0.01

T (°C)

t (µs)

0.001

100

125

150

0.01

0.1

100

1000

Fig. 5-1: Non repetitive surge peak forward current

versus overload duration (maximum values, per

diode) (TO-220AB and D²PAK).

Fig. 5-2: Non repetitive surge peak forward current

versus overload duration (maximum values, per

diode) (ISOWATT220AB, TO-220FPAB).

IM(A)

120

100

Tc=50°C

Tc=100°C

Tc=150°C

δ=0.5

t(s)

δ=0.5

t(s)

1E-3

1E-2

1E-1

1E+0

3/8

1E-3

1E-2

1E-1

1E+0

STPS1545CT/CF/CG/CFP/CR

Fig. 6-2: Relative variation of thermal transient

impedance junction to case versus pulse duration

(per diode) (ISOWATT220AB, TO-220FPAB).

Fig. 6-1: Relative variation of thermal transient

impedance junction to case versus pulse duration

(per diode) (TO-220AB and D²PAK).

Zth(j-c)/Rth(j-c)

1.0

0.8

δ = 0.5

0.6

0.4

0.2

0.0

0.4

δ = 0.2

δ = 0.1

δ = 0.2

0.2

δ = 0.1

Single pulse

tp(s)

=tp/T

tp(s)

Single pulse

0.0

1E-3

1E-2

1E-1

1E+0

1E+1

1E-4

1E-3

1E-2

1E-1

1E+0

Fig. 7: Reverse leakage current versus reverse

voltage applied (typical values, per diode).

Fig. 8: Junction capacitance versus reverse

voltage applied (typical values, per diode).

C(pF)

IR(µA)

1000

F=1MHz

Tj=25°C

5E+4

Tj=150°C

1E+4

Tj=125°C

500

200

1E+3

Tj=100°C

Tj=75°C

1E+2

Tj=50°C

1E+1

Tj=25°C

1E+0

VR(V)

1E-1

100

Fig. 10: Thermal resistance junction to ambient

versus copper surface under tab (Epoxy printed

circuit board, copper thickness: 35µm).

Fig. 9: Forward voltage drop versus forward

current (maximum values, per diode).

IFM(A)

Rth(j-a) (°C/W)

100.0

Tj=125°C

Typical values

Tj=25°C

10.0

Tj=125°C

1.0

S(Cu) (cm²)

VFM(V)

0.1

10 12 14 16 18 20

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6

4/8

STPS1545CT/CF/CG/CFP/CR

DIMENSIONS

PACKAGE MECHANICAL DATA

D²PAK

REF.

Millimeters

Min.

Inches

Min.

Max.

4.60

2.69

0.23

0.93

1.70

0.60

1.36

9.35

10.40

5.28

15.85

1.40

1.75

3.20

Max.

0.181

0.106

0.009

0.037

0.067

0.024

0.054

0.368

0.409

0.208

0.624

0.055

0.069

0.126

4.40

2.49

0.03

0.70

1.14

0.45

1.23

8.95

10.00

4.88

15.00

1.27

1.40

2.40

0.173

0.098

0.001

0.027

0.045

0.017

0.048

0.352

0.393

0.192

0.590

0.050

0.055

0.094

* FLAT ZONE NO LESS THAN 2mm

0.40 typ.

0.016 typ.

0°

8°

0°

8°

FOOTPRINT DIMENSIONS (in millimeters)

16.90

10.30

5.08

1.30

3.70

8.90

5/8

STPS1545CT/CF/CG/CFP/CR

PACKAGE MECHANICAL DATA

TO-220AB

REF.

DIMENSIONS

Millimeters

Inches

Min.

Max.

4.60

1.32

2.72

0.70

0.88

1.70

5.15

2.70

10.40

Max.

0.181

0.051

0.107

0.027

0.034

0.066

0.202

0.106

0.409

4.40

1.23

2.40

0.49

0.61

1.14

4.95

2.40

0.173

0.048

0.094

0.019

0.024

0.044

0.194

0.094

0.393

Dia

16.4 typ.

0.645 typ.

0.511

0.104

0.600

0.244

0.137

0.551

0.116

0.620

0.259

0.154

2.65

15.25

6.20

3.50

2.95

15.75

6.60

3.93

2.6 typ.

0.102 typ.

Diam.

3.75

3.85

0.147

0.151

PACKAGE MECHANICAL DATA

TO-220FPAB

REF.

DIMENSIONS

Millimeters Inches

Min. Max.

4.4 4.6

Min.

Max.

0.181

0.106

0.108

0.027

0.039

0.067

0.205

0.106

0.409

0.173

0.098

0.018

0.030

0.045

0.195

0.094

0.393

2.5

2.7

2.75

0.70

0.45

0.75

1.15

4.95

2.4

Dia

1.70

5.20

2.7

10.4

Dia.

16 Typ.

0.63 Typ.

28.6

9.8

30.6

10.6

3.6

1.126

0.386

0.114

0.626

0.354

0.118

1.205

0.417

0.142

0.646

0.366

0.126

2.9

15.9

9.00

3.00

16.4

9.30

3.20

6/8

STPS1545CT/CF/CG/CFP/CR

DIMENSIONS

PACKAGE MECHANICAL DATA

ISOWATT220AB

REF.

Millimeters

Inches

Min.

4.40

2.50

0.40

0.75

1.15

4.95

2.40

10.00

Max.

4.60

2.70

2.75

0.70

1.00

1.70

5.20

2.70

10.40

Max.

0.181

0.106

0.108

0.028

0.039

0.067

0.205

0.106

0.409

0.173

0.098

0.016

0.030

0.045

0.195

0.094

0.394

Diam

16.00 typ.

0.630 typ.

28.60

9.80

30.60

10.60

16.40

9.30

1.125

0.386

0.626

0.354

0.118

1.205

0.417

0.646

0.366

0.126

15.90

9.00

3.00

3.20

7/8

STPS1545CT/CF/CG/CFP/CR

PACKAGE MECHANICAL DATA

I²PAK

REF.

DIMENSIONS

Millimeters Inches

Min. Max. Min.

4.40 4.60

Max.

0.181

0.106

0.037

0.046

0.024

0.054

0.368

0.106

0.409

0.535

0.149

0.055

0.173

0.098

0.028

0.044

0.018

0.048

0.352

0.094

0.394

0.516

0.137

0.050

2.49

0.70

1.14

0.45

1.23

8.95

2.40

10.0

13.1

3.48

1.27

2.69

0.93

1.17

0.60

1.36

9.35

2.70

10.4

13.6

3.78

1.40

Type

Marking

Package

Weight

Base qty Delivery mode

STPS1545CT

STPS1545CF

STPS1545CT

TO-220AB

2.23 g.

2.08 g.

2.0 g

Tube

STPS1545CF ISOWATT220AB

STPS1545CFP STPS1545CFP

STPS1545CG STPS1545CG

STPS1545CG-TR STPS1545CG

STPS1545CR STPS1545CR

TO-220FPAB

D²PAK

Tube

1.48 g.

1.49 g

Tube

D²PAK

I²PAK

1000

Tape & reel

Tube

■

Cooling method: by conduction (C)

Expoxy meets UL94,V0

■

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

approval of STMicroelectronics.

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产品型号STPS1545CT的概述

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