cui.com

date 08/31/2021

│ page 3 of 6

CUI Inc

│ SERIES: VCD40 │ DESCRIPTION: DC-DC CONVERTER

DERATING CURVES

OUTPUT

parameter

conditions/description

min

typ

max

units

+3.3V

+5V

±1.0

±4.0

%

%

voltage balance

dual output models

±2.0

%

transient response

75-100% step load change

±5% error band

300

µs

external trim adjust range

single and dual output models

dual positive output models

±10

±5

%

%

current limit

110

140

%

switching frequency

350

kHz

temperature coefficient

±0.02

%/°C

Notes:

1. measured from high line to low line

2. measured from full load to 10% load

2. measured from max. load to 10% load, other output at 10% load

PROTECTIONS

parameter

conditions/description

min

typ

max

units

short circuit protection

continuous, hiccup

over temperture protection

110

°C

over-voltage protection

zener diode clamp

2.5V

3.3V

5V

12V

15V

3.6

3.9

6.2

15

18

Vdc

Vdc

Vdc

Vdc

Vdc

SAFETY AND COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

1,500

Vdc

insulation resistance

1,000

MΩ

safety approvals

certified to 62368-1: EN

certified to 60950-1: UL

RoHS compliant

yes

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

-40

85

°C

100

°C

storage temperature

-55

105

°C

Notes:

1. measured from high line to low line

Additional Resources: Product Page | 3D Model | PCB Footprint