cui.com

CUI Inc

│ SERIES: PUZ3-D │ DESCRIPTION: DC-DC CONVERTER

date 08/12/2015

│ page 2 of 6

INPUT

parameter

conditions/description

min

typ

max

units

operating input voltage

5 Vdc input models

12 Vdc input models

24 Vdc input models

48 Vdc input models

4.5

9

18

36

5

12

24

48

9

18

36

75

Vdc

Vdc

Vdc

Vdc

start-up voltage

5 Vdc input models

12 Vdc input models

24 Vdc input models

48 Vdc input models

4.5

9

18

36

Vdc

Vdc

Vdc

Vdc

surge voltage

for maximum of 1 second

5 Vdc input models

12 Vdc input models

24 Vdc input models

48 Vdc input models

-0.7

-0.7

-0.7

-0.7

12

25

50

100

Vdc

Vdc

Vdc

Vdc

filter

pi filter

OUTPUT

parameter

conditions/description

min

typ

max

units

line regulation

full load, input voltage from low to high

±0.2

±0.5

%

load regulation

5% to 100% load

±0.2

±0.5

%

voltage accuracy

5% to 100% load

±1

±3

%

no-load voltage accuracy

input voltage range

±1.5

±5

%

dual output, balanced loads

±0.5

±1

%

switching frequency

PFM mode, 100% load, nominal input voltage

200

kHz

transient recovery time

25% load step change

0.5

2

ms

transient response deviation

25% load step change

±2

±5

%

temperature coeffecient

100% load

±0.02

±0.03

%/°C

Note:

3. For dual output models, unbalanced loads should not exceed ±5%. If ±5% is exceeded, it may not meet all specifications.

PROTECTIONS

parameter

conditions/description

min

typ

max

units

1

s

Notes:

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

PART NUMBER KEY

Input Voltage

Output Voltage

Packaging Style

Base Number

S = single

D = dual

DIP

Output

MODEL

(CONTINUED)

input

voltage

output

voltage

output

current

output

power

ripple

efficiency

typ

(Vdc)

range

(Vdc)

(Vdc)

min

(mA)

max

(mA)

max

(W)

max

(mVp-p)

typ

(%)

PUZ3-D48-D5-D

48

36~75

±5

±15

±300

3

80

82

PUZ3-D48-D12-D

48

36~75

±12

±6

±125

3

80

84

PUZ3-D48-D15-D

48

36~75

±15

±5

±100

3

80

85

Notes:

1. UL approved

2. Ripple and noise are measured at 20 MHz BW by “parallel cable” method with 1 μF ceramic and 10 μF electrolytic capacitors on the output.

For more information, please visit the product page.