TKA Series

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INPUT CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Voltage range

3.3V input variants

2.9

3.3

3.6

V

Voltage range

5V input variants

4.5

5

5.6

V

Voltage range

12V input variants

10.7

12

13.1

V

Voltage range

24V input variants

22

24

26.5

V

Reflected ripple current

3.3V input

30

60

mA p-p

Reflected ripple current

All other

25

37

mA p-p

ABSOLUTE MAXIMUM RATINGS

Short-circuit protection

1second

Lead temperature 1.5mm from case for 12 seconds

300 ºC

Internal power dissipation

540mW

Input voltage Vin, TKA03

5.5V

Input voltage Vin, TKA05

7V

Input voltage Vin, TKA12

15V

Input voltage Vin, TKA24

28V

ISOLATION CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Isolation test voltage

tested for 1 second

3000

VDC

Resistance

Viso= 1000VDC

1

GΩ

All specifications typical at TA=25℃, nominal input voltage and rated output current unless otherwise specified.

GENERAL CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Switching frequency

3V input and 0503

95

kHz

Switching frequency

All other types

120

kHz

TEMPER ATURE CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Specification

Derating if the temperature ≥85°C

-40

105

°C

Storage

-50

130

°C

Case temperature rise above ambient

5V output types

30

°C

Case temperature rise above ambient

All other types

21

°C

Cooling

Free air convection

TEMPERATURE DERATING GRAPHS

TOLERANCE ENVELOPES

All other types

Output Load Current(%)

+10%

+5%

V

NOM

-2.5%

+2.5%

-7.5%

100

75

50

25

10

Typical Load

Line

O utput Load Current(% )

+9%

+1%

V

NO M

-7%

-7%

+1%

-15%

100

75

50

25

10

Typical Load Lin

e

3.3V output types

1.5

1.0

0.5

0

-40

0

50 100

150

Ambient Temperature(°C)

85°C

Safe Operating Area

105

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