Absolute maximum rating

Recommended operating conditions

Supply voltage+VS：80V

Supply voltage+VCC：16V

Internal power loss：60W

Storage temperature：-65～+150℃

Input voltage，VIN：+VCC

Supply voltage+VS：28V

Supply voltage+VCC：12V

Input voltage，+V1：4V～8V

operating temperature：-55℃～+125℃

No

Character

conditions

VS=28V±1.4V

VCC=12V±1V

RL=1KΩ

RSENSE A、RSENSE B\GND

-55℃≤Tc≤125℃

HSA50

Symbol

min

Typical value

max

1

Static current

V1=6V（DC）

-

20

mA

2

Turn-on voltage

IO=5A

-

2.4

V

3

shut-off leakage current

Output shutoff，Vs=70V no load

-

250

μA

4

Switching frequency

VI=6V（DC）

40

50

KHZ

TC=25℃

VI=3V（DC），duty factor0%

B ON /A OFF

5

Duty factor A

TC=25℃,VI=6V（DC）

40

60

%

TC=25℃, VI=9V（DC）

duty factor 100%

A ON/B OFF

TC=25℃, VI=3V（DC）

duty factor 100%

B ON /A OFF

6

Duty factor B

TC=25℃,VI=6V（DC）

40

60

%

TC=25℃, VI=9V（DC）

duty factor 0%

A ON/B OFF

No

symbol

Designation

No

symbol

Designation

1

RSENSE B

Inductor B

5

RSENSE A

Inductor A

2

BOUT

Output B

6

+VCC

power

3

+VS

Power

7

GND

Ground

4

AOUT

Output A

8

Input

Analog input signal

Symbol

Data/mm

Min

Typical

Min

A

-

-

6.35

A1

-

-

2.70

Φb

0.90

-

1.10

ΦD

-

-

25.65

ΦD1

-

-

22.20

α

-

40

-

X1

29.95

-

30.35

X

-

-

39.22

L

11.70

-

-

ΦP

3.80

-

4.20