SIC531 datasheet(7/17 Pages) VISHAY

Part #	SIC531

Description	30 A VRPower Integrated Power Stage

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Manufacturer	VISHAY [Vishay Siliconix]

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SiC531, SiC531A

www.vishay.com

Vishay Siliconix

S15-2799-Rev. A, 30-Nov-15

7

Document Number: 65999

For technical questions, contact: powerictechsupport@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

ELECTRICAL CHARACTERISTICS

Test condition: VIN = 13 V, VDRV = VCIN = 5 V, ZCD_EN# = 5 V, VOUT = 1 V, LOUT = 250 nH, (DCR = 0.32 m), TA = 25 °C

(All power loss and normalized power loss curves show SiC531 and SiC531A losses only unless otherwise stated)

Fig. 5 - Efficiency vs. Output Current (VIN = 12.6 V)

Fig. 6 - Power Loss vs. Switching Frequency (VIN = 12.6 V)

Fig. 7 - Efficiency vs. Output Current (VIN = 9 V)

Fig. 8 - Safe Operating Area (VIN = 12.6 V)

Fig. 9 - Power Loss vs. Output Current (VIN = 12.6 V)

Fig. 10 - Efficiency vs. Output Current (VIN = 19 V)

62

66

70

74

78

82

86

90

94

0

5

10

15

20

25

30

Output Current, I

OUT (A)

Complete converter efficiency

P

IN = [(VIN x IIN) + 5 V x (IVDRV + IVCIN)]

P

OUT = VOUT x IOUT, measured at output capacitor

1 MHz

750 kHz

500 kHz

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

200

300

400

500

600

700

800

900 1000 1100

Switching Frequency, f

S (kHz)

I

OUT = 25A

62

66

70

74

78

82

86

90

94

0

5

10

15

20

25

30

Output Current, I

OUT (A)

Complete converter efficiency

P

IN = [(VIN x IIN) + 5 V x (IVDRV + IVCIN)]

P

OUT = VOUT x IOUT, measured at output

capacitor

1 MHz

750 kHz

500 kHz

0

5

10

15

20

25

30

35

40

0

153045607590

105 120 135 150

PCB Temperature, T

PCB (°C)

1 MHz

500 kHz

0.0

1.5

3.0

4.5

6.0

7.5

9.0

10.5

12.0

0

5

10

15

20

25

30

Output Current, I

OUT (A)

750 kHz

1 MHz

500 kHz

62

66

70

74

78

82

86

90

94

0

5

10

15

20

25

30

Output Current, I

OUT (A)

Complete converter efficiency

P

IN = [(VIN x IIN) + 5 V x (IVDRV + IVCIN)]

P

OUT = VOUT x IOUT, measured at output capacitor

1MHz

500 kHz

750 kHz

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