Datasheet STPS2045C Datasheet (ST)

STPS2045C

Power Schottky rectifier

Features

■ Very small conduction losses

■ Negligible switching losses

■ Extremely fast switching

■ Insulated package: TO-220FPAB

Insulating voltage = 2000 V DC
Capacitance = 12 pF

■ Avalanche rated

Description

Dual center tap Schottky rectifier suited for switch
mode power supply and high frequency DC to DC
converters.

Packaged either in TO-220AB, TO-220FPAB,

2

I

PA K , o r D2PAK, this device is especially
intended for use in low voltage, high frequency
inverters, free wheeling and polarity protection
applications.

A1

A2

A2

K

A1

TO-220AB

STPS2045CT

K

A1

A2

STPS2045CR

TO-220FPAB

STPS2045CFP

Table 1. Device summary

STPS2045CG

Symbol Value

2 x 10 A

I

F(AV)

V

45 V

RRM

T

j(max)

0.57 V

V

F(typ)

K

I2PAK

K

D

2

PAK

175 °C

A2

K

A1

A2

A1

February 2010 Doc ID 3506 Rev 6 1/10

www.st.com

10

Characteristics STPS2045C

1 Characteristics

Table 2. Absolute ratings (limiting values, per diode)

Symbol Parameter Value Unit

V

I

F(RMS)

I

F(AV)

Repetitive peak reverse voltage 45 V

RRM

Forward rms current 30 A

Average forward current δ = 0.5

TO-220AB

2

PAK I2PA K

D

T

= 155 °C Per diode 10

c

TO-220FPAB Tc = 125 °C Per device 20

I

P

T

1. condition to avoid thermal runaway for a diode on its own heatsink

Table 3. Thermal resistances parameters

Surge non repetitive forward current tp = 10 ms sinusoidal 180 A

FSM

Repetitive peak avalanche power tp = 1 μs Tj = 25 °C 4000 W

ARM

Storage temperature range -65 to + 175 °C

stg

Maximum operating junction temperature

T

j

<

Rth(j-a)

1

dPtot

dTj

(1)

175 °C

Symbol Parameter Value Unit

R

R

th(j-c)

th(c)

Junction to case

Coupling

TO-220AB / D

TO-220FPAB

TO-220AB / D

2

PA K / I2PA K

2

PA K / I2PA K

Per diode
To ta l

Per diode
To ta l

Coupling

TO-220FPAB 2.5

2.2

1.3
°C/W

4.5

3.5

0.3
°C/W

A

When the diodes 1 and 2 are used simultaneously :
T

(diode 1) = P(diode 1) x R

j

Table 4. Static electrical characteristics (per diode)

Symbol Test conditions Min. Typ. Max. Unit

(1)

I

V

1. Pulse test : tp = 380 μs, δ < 2%

Reverse leakage current

R

(1)

Forward voltage drop

F

To evaluate the conduction losses use the following equation : P = 0.42 x I

2/10 Doc ID 3506 Rev 6

(per diode) + P(diode 2) x R

th(j-c)

= 25 °C

T

j

= 125 °C 7 15 mA

T

j

T

= 125 °C IF = 10 A 0.5 0.57

j

= 25 °C

j

Tj = 125 °C 0.65 0.72

th(c)

V

= V

R

= 20 A

I

F

RRM

F(AV)

+ 0.015 I

100 μA

0.84

F2(RMS)

VT

STPS2045C Characteristics

Figure 1. Average forward power dissipation

vs average forward current
(per diode)

P (W)

F(AV)

8

7

6

5

4

3

2

1

0

0 1 2 3 4 5 6 7 8 9 10 11 12

δ = 0.05

δ = 0.1

δ = 0.2

I (A)

F(AV)

δ = 0.5

δ

=tp/T

δ = 1

T

tp

Figure 3. Normalized avalanche power

derating vs pulse duration

P(t)

ARM p

P (1µs)

ARM

1

0.1

Figure 2. Average forward current vs ambient

temperature (

I (A)

F(AV)

12

10

8

6

4

2

0

0 25 50 75 100 125 150 175

δ

=tp/T

T

tp

δ = 0.5, per diode)

R=R

th(j-a) th(j-c)

TO-220FPAB

R =15°C/W

th(j-a)

T (°C)

amb

TO-220AB
D²PAK

Figure 4. Normalized avalanche power

derating vs junction temperature

P(Tj)

ARM

P (25 °C)

ARM

1.2

1

0.8

0.6

0.01

t (µs)

0.001

0.10.01 1

p

10 100 1000

Figure 5. Non repetitive surge peak forward

current vs overload duration
(maximum values, per diode)

I (A)

M

140

120

100

80

60

40

I

M

20

0

1E-3 1E-2 1E-1 1E+0

t

δ

=0.5

(TO-220AB, D PAK, I PAK)

t(s)

22

T =75°C

C

T =100°C

C

T =125°C

C

0.4

0.2

0

25 50 75 100 125 150

T (°C)

j

Figure 6. Non repetitive surge peak forward

current vs overload duration
(maximum values, per diode)

I (A)

M

100

(TO-220FPAB)

80

60

40

I

M

20

0

1E-3 1E-2 1E-1 1E+0

t

δ

=0.5

t(s)

T =75°C

C

T =100°C

C

T =125°C

C

Doc ID 3506 Rev 6 3/10

Characteristics STPS2045C

Figure 7. Relative variation of thermal

impedance junction to ambient vs
pulse duration

Z/R

th(j-c) th(j-c)

1.0

(TO-220AB, D PAK, I PAK)

0.8

0.6

δ = 0.5

0.4

δ = 0.2

0.2

δ = 0.1

Single pulse

0.0

1E-4 1E-3 1E-2 1E-1 1E+0

22

t (s)

p

δ

=tp/T

T

tp

Figure 9. Reverse leakage current vs reverse

voltage applied
(typical values, per diode)

I (µA)

R

5E+4

1E+4

1E+3

1E+2

1E+1

1E+0

1E-1

0 5 10 15 20 25 30 35 40 45

T =150°C

j

T =125°C

j

T =100°C

j

T =75°C

j

T =50°C

j

T =25°C

j

V (V)

R

Figure 11. Forward voltage drop vs forward

current
(maximum values, per diode)

I (A)

FM

100.0

10.0

1.0

0.1

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6

T =125°C

j

T =125°C

j

(typical values)

V (V)

FM

T =25°C

j

Figure 8. Relative variation of thermal

impedance junction to ambient vs
pulse duration (TO-220FPAB)

Z/R

th(j-c) th(j-c)

1.0

0.8

0.6

δ = 0.5

0.4

δ

=tp/T

T

tp

δ = 0.2

0.2

δ = 0.1

Single pulse

0.0

1E-3 1E-2 1E-1 1E+0 1E+1

t (s)

p

Figure 10. Junction capacitance vs reverse

voltage applied
(typical values, per diode)

C(pF)

1000

500

200

V (V)

100

12 51020 50

R

F=1MHz

V =30mV

OSC RMS

T =25°C

j

Figure 12. Thermal resistance junction to

ambient vs copper surface under
tab

R (°C/W)

th(j-a)

80

(Epoxy printed circuit board, copper thickness: 35 µm)

70

60

50

40

30

20

10

0

0 5 10 15 20 25 30 35 40

2

(D PAK)

S(cm²)

4/10 Doc ID 3506 Rev 6

STPS2045C Package information

2 Package information

● Epoxy meets UL94, V0

● Cooling method: by conduction (C)

● Recommended torque value: 0.4 N·m to 0.6 N·m

In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
specifications, grade definitions and product status are available at: www.st.com
ECOPACK

Table 5. D

®

packages, depending on their level of environmental compliance. ECOPACK®

®

is an ST trademark.

2

PAK dimensions

.

Dimensions

Ref.

Millimeters Inches

Min. Max. Min. Max.

A 4.40 4.60 0.173 0.181

A

L2

E

C2

A1 2.49 2.69 0.098 0.106

A2 0.03 0.23 0.001 0.009

B 0.70 0.93 0.027 0.037

D

L

L3

G

A1

B2

B

C

R

A2

B2 1.14 1.70 0.045 0.067

C 0.45 0.60 0.017 0.024

C2 1.23 1.36 0.048 0.054

D 8.95 9.35 0.352 0.368

E 10.00 10.40 0.393 0.409

G 4.88 5.28 0.192 0.208

L 15.00 15.85 0.590 0.624

M

*

V2

* FLAT ZONE NO LESSTHAN 2mm

L2 1.27 1.40 0.050 0.055

L3 1.40 1.75 0.055 0.069

M 2.40 3.20 0.094 0.126

R 0.40 typ. 0.016 typ.

V2 0° 8° 0° 8°

Figure 13. Footprint (dimensions in mm)

16.90

10.30

8.90

Doc ID 3506 Rev 6 5/10

5.08

1.30

3.70

Package information STPS2045C

Table 6. TO-220AB dimensions

Dimensions

"GATE"

Notes 9-10

L20

b1(X3)

E

123

e

e1

L1

b (X3)

Q

L

øP

L30

Notes 9-10

"GATE"

Ref.

Millimeters Inches

Min. Max. Min. Max.

A 4.40 4.60 0.17 0.18

A

F

b 0.61 0.88 0.024 0.035

b1 1.14 1.70 0.045 0.067

c 0.48 0.70 0.019 0.027

H1

D

D1

D 15.25 15.75 0.60 0.62

D1 1.27 typ. 0.05 typ.

E 10 10.40 0.39 0.41

e 2.40 2.70 0.094 0.106

J1

e1 4.95 5.15 0.19 0.20

F 1.23 1.32 0.048 0.052

H1 6.20 6.60 0.24 0.26

c

J1 2.40 2.72 0.094 0.107

L 13 14 0.51 0.55

L1 3.50 3.93 0.137 0.154

L20 16.40 typ. 0.64 typ.

L30 28.90 typ. 1.13 typ.

øP 3.75 3.85 0.147 0.151

6/10 Doc ID 3506 Rev 6

Q 2.65 2.95 0.104 0.116

STPS2045C Package information

Table 7. I2PAK dimensions

Dimensions

L2

Ref.

Millimeters Inches

Min. Max. Min. Max.

A

A 4.40 4.60 0.173 0.181

E

c2

A1 2.40 2.72 0.094 0.107

b 0.61 0.88 0.024 0.035

b1 1.14 1.70 0.044 0.067

D

c 0.49 0.70 0.019 0.028

c2 1.23 1.32 0.048 0.052

L1

L

b1

A1

D 8.95 9.35 0.352 0.368

e 2.40 2.70 0.094 0.106

e1 4.95 5.15 0.195 0.203

E 10 10.40 0.394 0.409

b

e

e1

c

L 13 14 0.512 0.551

L1 3.50 3.93 0.138 0.155

L2 1.27 1.40 0.050 0.055

Doc ID 3506 Rev 6 7/10

Package information STPS2045C

Table 8. TO-220FPAB dimensions

Dimensions

Ref.

Millimeters Inches

Min. Max. Min. Max.

A 4.4 4.6 0.173 0.181

A

H

B

B 2.5 2.7 0.098 0.106

D 2.5 2.75 0.098 0.108

E 0.45 0.70 0.018 0.027

Dia

L6

L2

L3

L5

F1

L4

F2

F

G1

G

D

L7

E

F 0.75 1 0.030 0.039

F1 1.15 1.70 0.045 0.067

F2 1.15 1.70 0.045 0.067

G 4.95 5.20 0.195 0.205

G1 2.4 2.7 0.094 0.106

H 10 10.4 0.393 0.409

L2 16 Typ. 0.63 Typ.

L3 28.6 30.6 1.126 1.205

L4 9.8 10.6 0.386 0.417

L5 2.9 3.6 0.114 0.142

L6 15.9 16.4 0.626 0.646

L7 9.00 9.30 0.354 0.366

Dia. 3.00 3.20 0.118 0.126

8/10 Doc ID 3506 Rev 6

STPS2045C Ordering information

3 Ordering information

Table 9. Ordering information

Order code Marking Package Weight Base qty Delivery mode

STPS2045CT STPS2045CT TO-220AB 2.23 g 50 Tube

STPS2045CR STPS2045CR I2PAK 1.49 g 50 Tube

STPS2045CFP STPS2045CFP TO-220FPAB 2.0 g 50 Tube

STPS2045CG STPS2045CG

STPS2045CG-TR STPS2045CG 1000 Tape and reel

2

PAK 1.48 g

D

50 Tube

4 Revision history

Table 10. Document revision history

Date Revision Changes

05-Oct-2004 4F Last update

01-Dec-2004 5

05-Feb-2010 6

Figure 16 (I2PAK Package Mechanical Data):
references b1 and b2 changed from 1.17mm to 1.70mm.

Updated Ta bl e 2 (removed voltage). Updated ECOPACK
statement. Updated Table 6.: TO-220AB dimensions.

Doc ID 3506 Rev 6 9/10

STPS2045C

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
RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING
APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY,
DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE
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.

The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners.

© 2010 STMicroelectronics - All rights reserved

STMicroelectronics group of companies

Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -

Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America

www.st.com

10/10 Doc ID 3506 Rev 6