ST STPS30M100S User Manual

STPS30M100S

100 V, 30 A power Schottky rectifier

Features

■Avalanche rated

■Low VF

■Good trade off between leakage current and forward voltage drop

■High frequency operation

■Avalanche capability specified

Description

The STPS30M100S device is a single Schottky rectifier, suited for high frequency switch mode power supply.

Packaged in TO-220AB, TO-220FPAB, and I2PAK this device is intended to be used in notebook and game station adaptors, providing in these applications a good efficiency at both low and high load.

Figure 1. Electrical characteristics (a)

	V	I
	I	"Forward"
	2 x IO		X
	IF
	IO		X
VRRM
VAR	VR			V
		IR
		VTo VF(Io)	VF	VF(2xIo)
	"Reverse"
		IAR

A
			K
A
K
	A			A
A	K		A	K
TO-220AB		TO-220FPAB
STPS30M100ST		STPS30M100SFP
			A
		A	K
		I2PAK
	STPS30M100SR

Table 1.	Device summary
	IF(AV)		30 A
	VRRM		100 V
	Tj (max)		150 °C
	VF(typ)		0.385 V

a.VARM and IARM must respect the reverse safe operating area defined in Figure 14. VAR and IAR are pulse measurements (tp < 1 µs). VR, IR, VRRM and VF, are static characteristics

January 2011

Doc ID 15523 Rev 3

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Characteristics	STPS30M100S

1 Characteristics

Table 2.				Absolute ratings (limiting values)
	Symbol			Parameter			Value	Unit
	VRRM			Repetitive peak reverse voltage			100	V
	IF(RMS)			Forward rms current			60	A
	IF(AV)			Average forward current δ = 0.5	Tc = 125 °C		30	A
	IFSM			Surge non repetitive forward current	tp = 10 ms sinusoidal		300	A
	PARM			Repetitive peak avalanche power	tp = 1 µs	Tj = 25 °C	26400	W
	(1)			Maximum repetitive peak avalanche	tp < 1 µs	Tj < 150 °C	120	V
	VARM			voltage	IAR < 66 A
	(1)			Maximum single pulse peak avalanche	tp < 1 µs	Tj < 150 °C	120	V
	VASM			voltage	IAR < 66 A
	Tstg			Storage temperature range			-65 to + 175	°C
	T			Maximum operating junction temperature (2)			150	°C
	j
1. Refer to Figure 14.
2.	dPtot		1
	dTj	< Rth(j – a) condition to avoid thermal runaway for a diode on its own heatsink
	---------------		-------------------------

	Table 3.	Thermal resistance
	Symbol		Parameter	Value	Unit
	Rth(j-c)	Junction to case	TO-220AB, I2PAK	1	°C/W
			TO-220FPAB	4

	Table 4.	Static electrical characteristics with all leads connected on board
	Symbol	Parameter	Test conditions		Min.	Typ.	Max.	Unit
			Tj = 25 °C	VR = VRRM	-	-	175	µA
	I (1)	Reverse leakage current	Tj = 125 °C		-	20	50	mA
	R		Tj = 25 °C		-	-	60	µA
				VR = 70 V
			Tj = 125 °C		-	10	20	mA
			Tj = 25 °C	IF = 5 A	-	0.475	-
			Tj = 125 °C		-	0.385	-
			Tj = 25 °C	IF = 10 A	-	0.555	-
	VF(2)	Forward voltage drop	Tj = 125 °C		-	0.475	--	V
			Tj = 25 °C	IF = 15 A	-	0.620	0.660
			Tj = 125 °C		-	0.525	0.565
			Tj = 25 °C	IF = 30 A	-	0.740	0.800
			Tj = 125 °C		-	0.605	0.655

1.Pulse test: tp = 5 ms, δ < 2%

2.Pulse test: tp = 380 µs, δ < 2%

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STPS30M100S	Characteristics

To evaluate the conduction losses use the following equation:

P = 0.475 x IF(AV) + 0.006 x IF2(RMS)

Figure 2. Conduction losses versus average Figure 3.	Average forward current versus
current	ambient temperature (δ = 0.5)

PF(av)(W)

26
24	δ=0.05	δ=0.1	δ=0.2	δ=0.5	δ=1
22
20
18
16
14
12
10
8
6						T
4
2			IF(av)(A)		δ=tp/T	tp
0

0

4

8

12

16

20

24

28

32

36

	I	(av)(A)
35		F
30				Rth(j-a)=Rth(j-c)

25

20

15

Rth(j-a)=15°C/W

10

	T
5
δ=tp/T	tp	Tamb(°C)

0

0

25

50

75

100

125

150

Figure 4. Normalized avalanche power	Figure 5. Normalized avalanche power
derating versus pulse duration	derating versus junction
	temperature

PARM(tp)							PARM(Tj)
PARM(1 µs)						PARM(25 °C)
1						1.2
						1
0.1						0.8
						0.6
0.01						0.4
						0.2
0.001			tp(µs)						Tj(°C)
						0
0.01	0.1	1	10	100	1000	25	50	75	100	125	150

Figure 6. Non repetitive surge peak forward Figure 7. current versus overload duration

(maximum values)

Relative variation of thermal impedance junction to case versus pulse duration

IM(A)				1.0	Zth(j-c)/Rth(j-c)
350
		T0-220AB / I2PAK		0.9	T0-220AB / I2PAK
300
				0.8
250				0.7
200				0.6
			Tc=25°C	0.5
150			Tc=75°C	0.4
100				0.3
IM			Tc=125°C	0.2
50				0.1	Single pulse
t		t(s)					tp(s)
δ=0.5
0				0.0
1.E-03	1.E-02	1.E-01	1.E+00	1.E-03		1.E-02	1.E-01	1.E+00

Doc ID 15523 Rev 3

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