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CUI Inc

│ SERIES: P78-500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR

date 05/26/2022

│ page 2 of 5

INPUT

parameter

conditions/description

min

typ

max

units

no load input current

at nominal input

1.5

mA

reverse polarity at input

avoid / not protected

input filter

capacitance filter

OUTPUT

parameter

conditions/description

min

typ

max

units

line regulation

Vin = min ~ max, at full load

3.3, 5, 6.5 Vdc output models

9, 12, 15 Vdc output models

24 Vdc output model

±0.6

±0.6

±1.2

±1.5

±2.0

±2.5

%

%

%

load regulation

at nominal input, 10% ~ 100% load

±1.0

±2.0

%

voltage accuracy

at nominal input, 10% ~ 100% load

3.3 Vdc output model

all other output models

±3.5

±2.0

±4.5

±3.0

%

%

at nominal input, full load

330

kHz

temperature coefficient

-40°C ~ 80°C

±0.03

%/°C

transient response deviation

at nominal input, 25% load step change

±0.4

±1.5

%

transient recovery time

at nominal input, 25% load step change

0.2

1

ms

Note:

3. Different output voltage with different switching frequency.

PROTECTIONS

parameter

conditions/description

min

typ

max

units

short circuit protection

continuous, auto recovery

SAFETY AND COMPLIANCE

parameter

conditions/description

min

typ

max

units

safety approvals

certified to 62368: EN, IEC

conducted emissions

CISPR32/EN55032 Class B (see Figure 2-2)

radiated emissions

CISPR32/EN55032 Class B (see Figure 2.2)

ESD

IEC/EN 61000-4-2 Contact±4kV, perf. Criteria B

radiated immunity

IEC/EN 61000-4-3 10V/m, perf. Criteria B

EFT/burst

IEC/EN 61000-4-4 100kHz±1kV, perf. Criteria B (see Figure 2-1)

surge

IEC/EN 61000-4-5 line to line±1kV, perf. Criteria B (see Figure 2-1)

conducted immunity

IEC/EN 61000-4-6 3Vr.m.s, perf. Criteria B

MTBF

as per MIL-HDBK-217 at 25°C

2,000,000

hours

RoHS compliant

yes

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

-40

85

°C

storage temperature

-55

125

°C

storage humidity

non-condensing

5

95

%

pin soldering resistance

temperature

1.5 mm from case for 10 seconds

300

°C

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