Datasheet STTH152 Datasheet (SGS Thomson Microelectronics)

®

HIGH EFFICIENCY ULTRAFAST DIODE

MAIN PRODUCT CHARACTERISTICS

STTH152

I

F(AV)

V

RRM

1.5 A

200 V

Tj (max) 175 °C

(max) 0.75 V

V

F

trr(max) 32 ns

FEATURES AND BENEFITS

Very low conduction losses

■

■ Negligible switching losses

Low forward and reverse recovery times

■

High junction temperature

■

DESCRIPTION

The STTH152 which is using ST's new 200V
planar technology, is specially suited for switching
mode base drive & transistor circuits.

The device is also intended for use as a free
wheeling diode in power supplies and other power
switching applications.

ABSOLUTE RATINGS (limiting values)

DO-15

STTH152

Symbol Parameter Value Unit

V

RRM

I

F(AV)

I

FSM

T

Tj

stg

Repetitive peak reverse voltage
Average forward current TI = 115°C δ = 0.5
Surge non repetitive forward current tp=10 ms Sinusoidal
Storage temperature range
Maximum operating junction temperature

200 V

1.5 A
80 A

-65 +175 °C
175 °C

THERMAL RESISTANCES

Symbol Parameter Value Unit

R

th (j-a)

* Oninfinite heatsink with 10mm lead length.

November 2001 - Ed:1A

Junction to ambient*

45 °C/W

1/5

STTH152

STATIC ELECTRICAL CHARACTERISTICS

Symbol Parameter Tests conditions Min. Typ. Max. Unit

*

I

R

V

F

Pulse test:*tp=5ms,δ<2%

Reverse leakage current Tj = 25°C V

**

Forward voltage drop Tj = 25°CI

** tp = 380 µs, δ <2%

Tj = 125°C

Tj = 125°C

R=VRRM

= 1.5A

F

240

0.66 0.75

1.5 µA

0.95 V

To evaluate the maximum conduction losses use the following equation :
P=0.60xI

F(AV)

+0.10xI

F2(RMS)

DYNAMIC ELECTRICAL CHARACTERISTICS

Symbol Parameter Tests conditions Min. Typ. Max. Unit

trr Reverse recovery

time

tfr Forward recovery

time

V

FP

Forward recovery

=1A dIF/dt = -50A/µs

I

F

= 30V

V

R

= 1.5A dIF/dt = 50A/µs

I

F

=1.1xVFmax

V

FR

Tj = 25°C

Tj = 25°C

Tj = 25°C

50 ns

1.8 V

32 ns

voltage

2/5

STTH152

Fig. 1: Average forward power dissipation versus

average forward current.

PF(av)(W)

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8

δ = 0.05

δ = 0.1

IF(av)(A)

δ = 0.2

δ = 0.5

δ

=tp/T

δ = 1

T

tp

Fig. 3: Thermal resistance versus lead length.

Rth(°C/W)

110
100

90
80
70
60
50
40
30
20
10

0

5 10152025

Rth(j-a)

Rth(j-l)

Lleads(mm)

Fig. 2: Average forward current versus ambient

temperature (δ=0.5).

IF(av)(A)

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0
0 25 50 75 100 125 150 175

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

Rth(j-a)=100°C:W

Tamb(°C)

Fig. 4: Relative variation of thermal impedance

junction to ambient versus pulse duration (printed
circuit board epoxy FR4, LIeads = 10mm).

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

1.0

0.9

0.8

0.7

0.6

δ = 0.5

0.5

0.4

0.3

δ = 0.2

0.2

δ = 0.1

0.1

Single pulse

0.0

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

tp(s)

δ

=tp/T

T

tp

Fig. 5: Forward voltage drop versus forward
current.

IFM(A)

100.0

Tj=125°C

Tj=125°C

(Maximum values)

(Maximum values)

10.0

Tj=125°C

Tj=125°C

(Typical values)

(Typical values)

1.0

VFM(V)

0.1

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

Tj=25°C

(Maximum values)

Fig. 6: Junction capacitance versus reverse
voltage applied (typical values).

C(pF)

100

10

VR(V)

1

1 10 100 1000

F=1MHz

Vosc=30mV

Tj=25°C

3/5

STTH152

Fig. 7: Reverse recovery time versus dIF/dt (90%

confidence).

trr(ns)

90

80

70

60

50

40

30

20

10

0

1 10 100 1000

Tj=125°C

Tj=25°C

dIF/dt(A/µs)

IF=1.5A

VR=100V

Fig. 9: Relative variations of dynamic parameters
versus junction temperature.

IRM; trr; Qrr[Tj]/IRM; trr; Qrr[Tj=25°C]

3.5

IF=1.5A

dIF/dt=200A/µs

VR=100V

3.0

2.5

Qrr

Fig.8:Peak reverse recoverycurrentversus dIF/dt
(90% confidence).

IRM(A)

4.0

IF=1.5A

VR=100V

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0
1 10 100 1000

Tj=125°C

Tj=25°C

dIF/dt(A/µs)

2.0

trr

1.5

IRM

Tj(°C)

1.0
25 50 75 100 125 150 175

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PACKAGE MECHANICAL DATA

DO-15

STTH152

DIMENSIONS

A

CC

REF.

Millimeters Inches

Min. Max. Min. Max.

A 6.05 6.75 0.238 0.266
B 2.95 3.53 0.116 0.139

D

B

C 26 31 1.024 1.220
D 0.71 0.88 0.028 0.035

Ordering code Marking Package Weight Base qty Delivery mode

STTH152 STTH152 DO-15 0.4 g 1000 Ammopack

STTH152RL STTH152 DO-15 0.4 g 6000 Tape and reel

White band indicates cathode

■

■ Epoxy meets UL 94,V0

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