STK672-070-E

No.7307-3/18

Electrical Characteristics at Tc = 25

°C, VCC1 = 24V, VCC2 = 5V

Rating

Parameters

Symbols

Conditions

min

typ

max

unit

Control supply current

ICC

Pin 6, with ENABLE pin held low.

2.1

14

mA

Output saturation voltage

Vsat

RL = 12Ω

0.65

1.2

V

Average output current

Ioave

Load: R = 3.5

Ω / L = 3.8mH

For each phase

0.445

0.5

0.56

A

FET diode forward voltage

Vdf

If = 1A

1

1.8

V

[Control Inputs]

VIH

Except for the Vref pin

4

V

Input voltage

VIL

Except for the Vref pin

1

V

IIH

Except for the Vref pin

0

1

10

μA

Input current

IIL

Except for the Vref pin

125

250

510

μA

[Vref Input Pin]

Input voltage

VI

Pin 7

0

2.5

V

Input current

II

Pin 7, 2.5V input

330

415

545

μA

[Control Outputs]

VOH

I = –3mA, pins MOI

2.4

V

Output voltage

VOL

I = +3mA, pins MOI

0.4

V

[Current Distribution Ratio (A·B)]

2W1-2, W1-2, 1-2

Vref

θ = 1/8

100

%

2W1-2, W1-2

Vref

θ = 2/8

92

%

2W1-2

Vref

θ = 3/8

83

%

2W1-2, W1-2, 1-2

Vref

θ = 4/8

71

%

2W1-2

Vref

θ = 5/8

55

%

2W1-2, W1-2

Vref

θ = 6/8

40

%

2W1-2

Vref

θ = 7/8

21

%

2

Vref

100

%

PWM frequency

fc

37

47

57

kHz

Note: A constant-voltage power supply must be used.

The design target value is shown for the current distribution ratio.

Package Dimensions

unit:mm (typ)

4186

1

15

46.6

41.2

(6.6)

14 2.0=28

3.6

0.5

2.0

8.5

0.4

2.9