cui.com

date

03/25/2014 │ page 2 of 7

CUI Inc

│ SERIES: PBK-1 │ DESCRIPTION: AC-DC POWER SUPPLY

INPUT

parameter

conditions/description

min

typ

max

units

voltage

85

70

264

400

Vac

Vdc

frequency

47

440

Hz

current

at 115 Vac

at 230 Vac

120

40

mA

mA

inrush current

at 115 Vac

at 230 Vac

10

20

A

A

no load power consumption

0.5

W

input fuse

1 A/250 V, slow-blow type (external, required)

OUTPUT

parameter

conditions/description

min

typ

max

units

output current

5%

capacitive load

5 Vdc output models

all other models

220

100

μF

μF

line regulation

at full load

±1.5

%

load regulation

at 5%~100% load

±2.5

%

voltage set accuracy

5 Vdc output models

all other models

±10

±5

%

%

hold-up time

at 115 Vac

at 230 Vac

80

300

ms

ms

switching frequency

50

kHz

temperature coefficient

±0.1

%/°C

PROTECTIONS

parameter

conditions/description

min

typ

max

units

short circuit protection

continuous, auto restart

over current protection

auto restart

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output, for 1 minute

3,000

Vac

isolation resistance

100

MΩ

safety approvals

UL60950-1, CE

safety class

Class II

conducted emissions

CISPR22/EN55022 external circuit required, Class A (see figure 2); Class B (see figure 3)

radiated emissions

CISPR22/EN55022 external circuit required, Class A (see figure 2); Class B (see figure 3)

ESD

IEC/EN61000-4-2 Class B, contact ±4 kV

radiated immunity

IEC/EN61000-4-3 Class A, 10V/m (external circuit required, see figure 3)

EFT/burst

IEC/EN61000-4-4 Class B, ±2 kV (external circuit required, see figure 2)

IEC/EN61000-4-4 Class B, ±4 kV (external circuit required, see figure 3)

surge

IEC/EN61000-4-5 Class B, ±1 kV/±2 kV (external circuit required, see figure 3)

conducted immunity

IEC/EN61000-4-6 Class A, 3 Vr.m.s (external circuit required, see figure 3)

PFM

IEC/EN61000-4-8 Class A, 10 A/m

voltage dips & interruptions

IEC/EN61000-4-11 Class B, 0%-70%

MTBF

at 25°C, max. load

300,000

hours

RoHS

2011/65/EU

For more information, please visit the product page.