File Name: pth04040.pdf Rev: 27 Jun 2006

For the most current data and application support visit www.artesyn.com/powergroup/products.htm

DC-DC CONVERTERS

POLA Non-isolated

3

NEW Product

PTH04040

3.3/5 Vin single output

20

30

40

50

60

80

Nat conv

200 LFM

400 LFM

90

70

OUTPUT CURRENT (A)

0

10

20

30

40

50

60

20

30

40

50

60

80

Nat conv

200 LFM

400 LFM

90

70

OUTPUT CURRENT (A)

0

10

20

30

40

50

60

Figure 1 - Safe Operating Area

Vin = 3.3 V (See Note A)

Vin = 5 V (See Note A)

N

No

otte

es

s

A

SOA curves represent the conditions at which internal components are

within the Artesyn derating guidelines.

B

Characteristic data has been developed from actual products tested at

25 °C. This data is considered typical data for the converter.

60

70

80

90

100

OUTPUT CURRENT (A)

50

0

10

20

30

40

50

2.5V

1.8V

Vout

60

1.5V

1.2V

Figure 3 - Efficiency vs Load Current

Vin = 5 V (See Note B)

60

70

80

90

100

OUTPUT CURRENT (A)

50

0

10

20

30

40

50

1.5V

1.0V

Vout

60

Figure 4 - Efficiency vs Load Current

Vin = 3.3 V (See Note B)

19

20

18

11

9

12

15

14

17

16

13

10

5

3

1

7

8

6

4

2

GND

GND

Inhibit

Vo Adj

-Sense

+Sense

Vo

Vin

UVLO

Margin

Down

Margin

up

Track

Ci

1,000

µF

(Required)

C

o1

330

µF

Co2

330µF

Vin

Vo

Rset

1%

0.05W

Figure 5 - Standard Application