Absolute maximum rated

Recommended operating conditions

Power supply voltage +VS：75V

Output peak current：23A

Storage temperature：-65～150℃

Work temperature（TC）：-55～125℃

Power Supply voltage VCC：12V±0.25V

Power Supply voltage VS：16V～48V

Working temperature range（Shell temperature）：-55～125℃

No.

Characteristic

Test conditions

-55℃≤Tc≤125℃

HMSK4203

Unit

Min

Typical

Max

1

On-resistance Rds

ID=10A

-

-

0.07

Ω

2

MOS Leaky pipeline current

V+=75V

-

-

150

mA

3

Switching frequency

-

40

45

50

KHZ

4

Continuous working current

60℃below shell temperature

-

10

-

A

5

Peak working current

-

-

23

-

A

6

Supply +VS

-

16

28

75

V

7

+VCCStatic current

IO=0mA

-

-

50

mA

8

+5V Output

IO=0mA

4.9

5.0

5.1

V

IO=100mA

4.85

5.0

5.15

V

VI=6V

40

50

60

%

9

Duty cycle of output

VI=9.5V

AOUT=100% duty cycle

BOUT=0%  duty cycle

VI=2.5V

AOUT=0%  duty cycle

BOUT=1000%  duty cycle

10

Enabled output

VDIS=“0”

-

-

0.8

V

VDIS=“1”

2.7

-

-

V

11

High-level enabled output

VHEN=“0”

-

-

0.8

V

VHEN=“1”

2.7

-

-

V

12

Working temperature range（Shell temperature TC）

-

-55

-

+125

℃

Pin

Symbol

Designation

Pin

Symbol

Designation

1

VCC

+12V

10

RSENSE B

Load current reaction B

2

+5V OUT

+5V Output

11

Output B

Output B

3

DIS

Enable

12

Output B

Output B

4

HEN

High-level enable

13

+VS

Motor supply

5

Input

Signal input

14

+VS

Motor supply

6

NC

Hang in air

15

Output A

Output A

7

GND

Ground

16

Output A

Output A

8

GND

Ground

17

RSENSE A

Load current reaction A

9

RSENSE B

Load current sense terminal  B

18

RSENSE A

Load current sense terminal A

Symbols

Data /mm

Minimum

Typical

Minimum

A

-

7.4

-

A1

-

1.5

-

Φb

0.66

0.76

0.86

D

-

30.02

-

E

-

25.40

-

e

-

2.54

-

e1

-

22.40

-

L

8.57

8.87

9.17

L1

4.2

4.45

4.70

X1

-

26.67

-

X

-

33.02

-

ΦP

-

3.2

-