ST STTH8003CY User Manual

ST STTH8003CY User Manual

®

STTH8003CY

 

 

 

HIGH FREQUENCY SECONDARY RECTIFIERS

MAJOR PRODUCTS CHARACTERISTICS

IF(AV)

2x40 A

 

 

VRRM

300 V

 

 

VF (max)

1 V

trr (max)

60 ns

 

 

FEATURES AND BENEFITS

nCOMBINES HIGHEST RECOVERY AND VOLTAGE PERFORMANCE.

nULTRA-FAST, SOFT AND NOISE-FREE RECOVERY.

nHIGH OPERATING TEMPERATURE THANKS TO LOW LEAKAGE CURRENT.

DESCRIPTION

Dual rectifiers suited for Switch Mode Power Supply and high frequency DC to DC converters.

Packaged in Max247, this device is intended for use in low voltage, high frequency inverters, free wheeling operation, welding equipment and telecom power supplies.

ABSOLUTE RATINGS (limiting values)

A2

K

A1

Max247

Symbol

 

Parameter

 

Value

Unit

 

 

 

 

 

 

 

VRRM

Repetitive peak reverse voltage

 

300

V

 

 

 

 

 

 

 

 

IF(RMS)

RMS forward current

 

 

 

 

50

A

 

 

 

 

 

 

 

 

IF(AV)

Average forward cur-

 

Tc = 105°C

 

Per diode

40

A

 

rent

 

δ = 0.5

 

Per device

80

 

 

 

 

 

 

 

 

IFSM

Surge non repetitive forward current

 

tp = 10 ms

400

A

 

 

 

 

 

sinusoidal

 

 

 

 

 

 

 

 

 

IRSM

Non repetitive avalanche current

 

tp = 100 μs

4

A

 

 

 

 

 

square

 

 

 

 

 

 

 

 

 

Tstg

Storage temperature range

 

-55 +175

°C

 

 

 

 

 

 

 

Tj

Maximum operating junction temperature

 

+ 175

°C

 

 

 

 

 

 

 

 

September 2002 - Ed: 3A

1/5

 

STTH8003CY

THERMAL RESISTANCES

Symbol

 

Parameter

 

 

 

Value

 

Unit

 

 

 

 

 

 

 

 

Rth (j-c)

 

Junction to case thermal resistance

 

Per diode

0.8

 

°C/W

 

 

 

 

 

 

Total

0.5

 

 

 

 

 

 

 

 

 

 

 

Rth (c)

 

 

 

 

Coupling

0.2

 

°C/W

 

 

 

 

 

 

 

 

 

STATIC ELECTRICAL CHARACTERISTICS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symbol

 

Parameter

Tests Conditions

Min.

Typ.

Max.

Unit

 

 

 

 

 

 

 

 

 

 

 

 

IR *

 

Reverse leakage current

VR = 300 V

 

Tj = 25°C

 

 

80

μA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tj = 125°C

 

80

800

 

 

 

 

 

 

 

 

 

 

 

 

 

VF **

 

Forward voltage drop

IF = 40 A

 

Tj = 25°C

 

 

1.25

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tj = 125°C

 

0.85

1

 

 

 

 

 

 

 

 

 

 

 

 

 

Pulse test :

* tp = 5 ms, δ < 2 %

 

 

 

 

 

 

 

 

 

 

 

** tp = 380 μs, δ < 2%

 

 

 

 

 

 

 

 

To evaluate the maximum conduction losses use the following equation :

P = 0.75 x IF(AV) + 0.0062 IF(RMS)2

DYNAMIC ELECTRICAL CHARACTERISTICS

Symbol

 

Tests Conditions

 

Min.

Typ.

Max.

Unit

 

 

 

 

 

 

 

 

 

trr

IF = 0.5 A

Irr = 0.25 A

IR = 1 A

Tj = 25°C

 

 

50

ns

 

 

 

 

 

 

 

 

 

 

IF = 1 A

dIF/dt = - 50 A/μs

VR = 30 V

 

 

 

60

 

 

 

 

 

 

 

 

IRM

Vcc = 200 V IF = 40 A dIF/dt = -200 A/μs

Tj = 125°C

 

 

13

A

 

 

 

 

 

 

 

 

 

Sfactor

 

 

 

 

 

0.3

 

-

 

 

 

 

 

 

 

 

tfr

IF = 40 A dIF/dt = 200 A/μs,

 

Tj = 25°C

 

 

450

ns

 

VFR = 1.1 x VF max

 

 

 

 

 

 

VFP

 

 

 

 

5

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2/5

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