ST STPSC406 User Manual

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Features

STPSC406

600 V power Schottky silicon carbide diode

■ No or negligible reverse recovery

■ Switching behavior independent of

temperature

■ Dedicated to PFC boost diode

Description

The SiC diode is an ultrahigh performance power Schottky diode. It is manufactured using a silicon carbide substrate. The wide bandgap material allows the design of a Schottky diode structure with a 600 V rating. Due to the Schottky construction no recovery is shown at turn-off and ringing patterns are negligible. The minimal capacitive turn-off behavior is independent of temperature.

ST SiC diodes will boost the performance of PFC operations in hard switching conditions.

TO-220AC

STPSC406D

DPAK

STPSC406B

Table 1. Device summary

F(AV)

RRM

j (max)

C (typ)

4 A

600 V

175 °C

3 nC

September 2009 Doc ID 16283 Rev 1 1/8

www.st.com

Characteristics STPSC406

1 Characteristics

Table 2. Absolute ratings (limiting values at 25 °C unless otherwise specified)

Symbol Parameter Value Unit

F(RMS)

F(AV)

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

Table 3. Thermal resistance

Repetitive peak reverse voltage 600

RRM

Forward rms current 11

Average forward current

Surge non repetitive

FSM

forward current

Repetitive peak forward

FRM

current

Storage temperature range -55 to +175 °C

stg

Operating junction temperature

dPtot

dTj

Rth(j-a)

DPAK, T

TO-220AC, Tc = 95 °C, δ = 0.5

= 10 ms sinusoidal, Tc = 25 °C

= 10 ms sinusoidal, Tc = 125 °C

= 10 µs square, Tc = 25 °C

DPAK, Tc = 115 °C, Tj = 150 °C, δ = 0.1

TO-220AC, Tc = 105 °C, Tj = 150 °C, δ = 0.1

= 110 °C, δ = 0.5

(1)

14 10 40

-40 to +175 °C

Symbol Parameter Value Unit

T0-220AC 5.5

th(j-c)

Table 4. Static electrical characteristics

Junction to case

DPAK 4.5

°C/W

Symbol Parameter Tests conditions Min. Typ. Max. Unit

1. tp = 10 ms, δ < 2%

2. tp = 500 µs, δ < 2%

current

(2)

Forward voltage drop

Reverse leakage

(1)

= 25 °C

= 150 °C - 60 500

= 25 °C

= 150 °C - 1.9 2.4

= 4 A

= V

RRM

-1050

-1.551.9

To evaluate the conduction losses use the following equation: P = 1.20x I

Table 5. Other parameters

Symbol Parameter Test conditions Typ. Unit

+ 0.3 x I

F(AV)

F2(RMS)

Total capacitive charge

= 400 V, IF = 4 A dIF/dt = -200 A/µs

Tj = 150 °C

3nC

µA

= 0 V, Tc = 25 °C, F = 1 Mhz 200

C Total capacitance

= 400 V, Tc = 25 °C, F = 1 Mhz 20

2/8 Doc ID 16283 Rev 1

STPSC406 Characteristics

Figure 1. Forward voltage drop versus

forward current (typical values)

IFM(A)

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5

Tj=25 °CTj=25 °C

Tj=150 °CTj=150 °C

Tj=175 °CTj=175 °C

VFM(V)

Figure 3. Peak forward current versus case

temperature (TO-220AC)

IM(A)

δ=0.1

δ=0.3

δ=0.5

d=1δ=1

d=0.7δ=0.7

0 25 50 75 100 125 150 175

TC(°C)

=tp/T

Figure 5. Junction capacitance versus

reverse voltage applied (typical values)

C(pF)

150

125

100

1 10 100 1000

VR(V)

OSC

F=1 MHz

=30 mV

Tj=25 °C

RMS

Figure 2. Reverse leakage current versus

reverse voltage applied (maximum values)

IR(µA)

1.E+04

1.E+03

1.E+02

1.E+01

1.E+00

1.E-01

1.E-02

0 50 100 150 200 250 300 350 400 450 500 550 600

Tj=150 °CTj=150 °C

Tj=175 °CTj=175 °C

Tj=25 °CTj=25 °C

VR(V)

Figure 4. Peak forward current versus case

temperature (DPAK)

IM(A)

δ=0.1

δ=0.3

δ=0.5

d=1δ=1

0 25 50 75 100 125 150 175

d=0. 7δ=0.7

TC(°C)

=tp/T

Figure 6. Relative variation of thermal

impedance junction to case versus pulse duration (TO-220AC)

th(j-c)/Rth(j-c)

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

Single pulse

0.1

0.0

1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01

tp(s)

Doc ID 16283 Rev 1 3/8

Characteristics STPSC406

th(j c)/Rth(j c)

Single pulse

impedance junction to case versus pulse duration (DPAK)

tp(s)

Figure 8. Non-repetitive peak surge forward

current versus pulse duration (sinusoidal waveform)

(A)

FSM

1.E+03

1.E+02

1.E+01

1.E+00

1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00

Figure 7. Relative variation of thermal

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0.0

1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01

Figure 9. Total capacitive charges versus dIF/dt (typical values)

QC(nC)

IF=4 A

=400 V

Tj=150 °C

Tc=25 °C

Tc=125 °C

tp(s)

0 50 100 150 200 250 300 350 400 450 500

dIF/dt(A/µs)

4/8 Doc ID 16283 Rev 1

STPSC406 Package information

2 Package information

● Epoxy meets UL94, V0

● Cooling method: convection (C)

● Recommended torque: 0.4 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 6. TO-220AC dimensions

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

is an ST trademark.

Dimensions

Ref.

Millimeters Inches

Min. Max. Min. Max.

A 4.40 4.60 0.173 0.181

Ø I

C 1.23 1.32 0.048 0.051

D 2.40 2.72 0.094 0.107

E 0.49 0.70 0.019 0.027

F 0.61 0.88 0.024 0.034

F1 1.14 1.70 0.044 0.066

G 4.95 5.15 0.194 0.202

H2 10.00 10.40 0.393 0.409

L2 16.40 typ. 0.645 typ.

L4 13.00 14.00 0.511 0.551

L5 2.65 2.95 0.104 0.116

L6 15.25 15.75 0.600 0.620

L7 6.20 6.60 0.244 0.259

L9 3.50 3.93 0.137 0.154

M 2.6 typ. 0.102 typ.

Diam. I 3.75 3.85 0.147 0.151

Doc ID 16283 Rev 1 5/8

Package information STPSC406

Table 7. DPAK dimensions

Dimensions

0.60 MIN.

Figure 10. Footprint (dimensions in mm)

6.7 3 3

Ref.

Millimeters Inches

Min. Max. Min. Max.

A 2.20 2.40 0.086 0.094

A1 0.90 1.10 0.035 0.043

A2 0.03 0.23 0.001 0.009

B 0.64 0.90 0.025 0.035

B2 5.20 5.40 0.204 0.212

C 0.45 0.60 0.017 0.023

C2 0.48 0.60 0.018 0.023

D 6.00 6.20 0.236 0.244

E 6.40 6.60 0.251 0.259

G 4.40 4.60 0.173 0.181

H 9.35 10.10 0.368 0.397

L2 0.80 typ. 0.031 typ.

L4 0.60 1.00 0.023 0.039

V2 0° 8° 0° 8°

1.6

6.7

6/8 Doc ID 16283 Rev 1

2.3

1.6

STPSC406 Ordering information

3 Ordering information

Table 8. Ordering information

Order code Marking Package Weight Base qty Delivery mode

STPSC406D STPSC406D TO-220AC 1.86 g 50 Tube

STPSC406B-TR STPSC406B DPAK 0.3g 2500 Tape and reel

4 Revision history

Table 9. Document revision history

Date Revision Changes

24-Sep-2009 1 First issue.

Doc ID 16283 Rev 1 7/8

STPSC406

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8/8 Doc ID 16283 Rev 1

ST STPSC406 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Table 1. Device summary

1 Characteristics

Table 3. Thermal resistance

Table 4. Static electrical characteristics

Table 5. Other parameters

Figure 9. Total capacitive charges versus dIF/dt (typical values)

2 Package information

Table 6. TO-220AC dimensions

Table 7. DPAK dimensions

Figure 10. Footprint (dimensions in mm)

3 Ordering information

Table 8. Ordering information

4 Revision history

Table 9. Document revision history