a division of CUI INC

date

page

SERIES:

DESCRIPTION:

06/2010

2 of 4

DIGITAL DC-DC POL CONVERTER

NDM1-12

phone 503.612.2300

fax 503.612.2382 www.novumdigital.com

Preliminary: Specifications subject to change

For a detailed specification, please contact CUI

OUTPUT

parameter

conditions/description

min

nom

max

units

set using PMBus

0.6

2.5

V

voltage accuracy

1

%nom

current range

012

A

line regulation

V

-1

1

%

load regulation

V

-1

1

%

voltage monitoring accuracy

-1

1

%

temp. monitoring accuracy

-5

5

°C

SENSE+ input bias current

SENSE+ = 4V

864

1,000

1,185

μA

SENSE- input bias current

SENSE- = 0.1V

20

25

30

μA

ramp-up time

0.5

147.5

ms

ON time delay range

0

1,000

ms

start-up time

50

ms

load transient voltage deviation

-45/33

mV

load transient recovery time

V

150

μs

recommended minimum

output capacitor

470

μF

voltage ripple

8

25

mVp-p

-20

5

20

%

INPUT / SUPPLY

parameter

conditions/description

min

nom

max

units

voltage

8.5

12

14

V

idle current

sysgood, no output, V

50

mA

UVLO turn-on threshold

7.5

8.7

V

UVLO turn-off threshold

7.5

8.1

V

voltage monitoring accuracy

-50

50

mV

current monitoring accuracy

-8

8

%

GENERAL / POWER / EFFICIENCY

parameter

conditions/description

min

nom

max

units

output power

030

W

efficiency

V

V

V

V

92.2

89.0

94.9

93.4

%

%

%

%

idle power

sysgood, no output, V

0.6

W

375

500

kHz

2. Factory default set to 500 kHz

1.Voltage absolute maximum of 2.8 V