TKA Series

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page 2 of 4

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

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

1 second

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

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

SELECTION GUIDE

Part Number

Nominal Input Voltage

Output Voltage

Efficiency

Package Style

V

V

mA

%

TKA0503D

5

±3.3

±151/±15.1

78

DIP

TKA0505D

5

±5

±100/±10

72

DIP

TKA0509D

5

±9

±55/±5.5

75

DIP

TKA0512D

5

±12

±43/±4.3

77

DIP

TKA0515D

5

±15

±34/±3.4

79

DIP

TKA0503S

5

±3.3

±151/±15.1

78

SIP

TKA0505S

5

±5

±100/±10

72

SIP

TKA0509S

5

±9

±55/±5.5

77

SIP

TKA0512S

5

±12

±43/±4.3

78

SIP

TKA0515S

5

±15

±34/±3.4

79

SIP

TKA1205D

12

±5

±100/±10

75

DIP

TKA1209D

12

±9

±55/5.5

79

DIP

TKA1212D

12

±12

±43/±4.3

82

DIP

TKA1215D

12

±15

±34/±3.4

82

DIP

TKA1205S

12

±5

±100/±10

73

SIP

TKA1209S

12

±9

±55/±5.5

79

SIP

TKA1212S

12

±12

±43/±4.3

81

SIP

TKA1215S

12

±15

±34/±3.4

81

SIP

Add suffix “P” for continuous short circuit protection, for example TKA0505SP.

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