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NTA SERIES

Isolated 1W Dual Output SM DC-DC Converters

SELECTION GUIDE

FEATURES

■

Wide Temperature Performance at

Full 1Watt Load, -40°C to 85°C

■

Lead Frame Technology

■

CECC00802 Reflow (280°C)

■

Dual Isolated Output

■

1kVDC Isolation

■

Efficiency to 78%

■

■

5V & 12V Input

■

5V, 9V, 12V and 15V Output

■

■

UL 94V-0 Package Material

■

No Heatsink Required

■

Internal SMD Construction

■

Toroidal Magnetics

■

Plastic Encapsulated

■

MTTF up to 2.1 Million Hours

■

Custom Solutions Available

■

Multi Layer Ceramic Capacitors

■

Lead Free Compatible

DESCRIPTION

The NTA series of miniature surface mounted

DC-DC Converters employ leadframe

technology and transfer moulding techniques

to bring all of the benefits of IC style

packaging to hybrid circuitry. The devices are

fully compatible with CECC00802 to 280°C

which allows them to be placed and reflowed

with IC’s, thus reducing time and cost in

production. Co-planarity of the lead positions

is based upon IEC 191-6:1990. The devices

are suitable for all applications where high

volume production is envisaged.

Nominal

Input

Input

Output

Output

Current at

Isolation

Voltage

Voltage

Current

Rated Load Efficiency

(V)

(V)

(mA)

(mA)

(%)

(pF)

kHrs

NTA0312M

3.3

12

±42

390

77

40

375

NTA0315M

3.3

15

±33

392

77

42

206

NTA0505M

55

±100

290

69

33

1697

NTA0509M

59

±55

267

75

38

682

NTA0512M

512

±42

260

77

44

343

NTA0515M

515

±33

256

78

43

188

NTA1205M

12

5

±100

121

69

50

559

NTA1209M

12

9

±55

113

74

72

375

NTA1212M

12

12

±42

111

75

89

243

NTA1215M

12

15

±33

110

76

100

154

When operated with additional external load capacitance the rise time of the input voltage will determine the

maximum external capacitance value for guaranteed start up. The slower the rise time of the input voltage the

greater the maximum value of the additional external capacitance for reliable start up.

1 Calculated using MIL-HDBK-217F with nominal input voltage at full load.

2 See derating curve.

3 12V input types have typically 3% less load regulation change.

4 Supply voltage must be discontinued at the end of the short circuit duration.

5 If components are required in tape and reel format suffix order code with -R, e.g. NTA0505M-R

Parameter

Conditions

MIN

TYP

MAX

Units

Continuous operation, 3V input types

2.97

3.3

3.63

Voltage Range

Continuous operation, 5V input types

4.5

5

5.5

V

Continuous operation, 12V input types 10.8

12

13.2

Reflected Ripple Current

41

47

mA p-p

1second

Internal power dissipation

550mW

Lead temperature 1.5mm from case for 10 seconds

300°C

5.5V

7V

15V

INPUT CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

Parameter

Conditions

MIN

TYP

MAX

Units

T

1.0

W

Voltage Set Point

Accuracy

See tolerance envelope

Line regulation

High V

1.0

1.2

%/%

10% load to rated load, 5V output types

10

12

%

10% load to rated load, 9V output types

6.5

8

10% load to rated load, 12V output types

6.0

8.5

10% load to rated load, 15V output types

6.0

7.0

Ripple and Noise

BW=DC to 20MHz, 5V output types

50

100

mV p-p

BW=DC to 20MHz, 9V output types

35

80

BW=DC to 20MHz, 12V output types

50

110

BW=DC to 20MHz, 15V output types

65

110

OUTPUT CHARACTERISTICS