VQE50W-Q24-S3R3

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date 03/18/2013

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SERIES: VQE50W │ DESCRIPTION: DC-DC CONVERTER

date 03/18/2013

page

1 of 4

FEATURES

• up to 50 W isolated output

• industry standard quarter brick package

• 4:1 input range (9~36 V, 18~75 V)

• very high efficiency up to 92%

PART NUMBER KEY

MODEL

VQE50W-Q48-S3R3 18 ~ 75 3.3 10 33 100 90

VQE50W-Q48-S5 18 ~ 75 5 10 50 100 92

VQE50W-Q48-S12 18 ~ 75 12 4.16 50 150 92

VQE50W-Q48-S15 18 ~ 75 15 3.33 50 150 91

VQE50W-Q48-S24 18 ~ 75 24 2.08 50 240 90.5

VQE50W-Q48-S48 18 ~ 75 48 1.04 50 480 89

Notes: 1. ripple and noise are measured at 20 MHz BW with 10µF tantalum capacitor and 1µF ceramic capacitor across output

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operating input voltage

24 V input

48 V input

18

24

48

36

75

Vdc

Vdc

surge voltage 100 ms max.

24 V input

48 V input

500

100

Vdc

Vdc

under voltage lockout

power up

power down

lter PI type

Notes: 1. logic compatibility, open collector ref to -input

Module ON, 3.5 ~ 75 Vdc or open circuit

Module OFF, <1.2 Vdc

2. negative logic remote on/off available

Module ON, <1.2 Vdc current limit, 110~165% nominal output

Module OFF, 3.5 ~ 75 Vdc or open circuit

OUTPUT

line regulation measured from high line to low line ±0.2 %

PROTECTIONS

over voltage protection %Vo 115 140 %

short circuit protection continuous

current limit % nominal output current 110 165 %

thermal shutdown case temp. 110 °C

SAFETY AND COMPLIANCE

isolation voltage

input to output

input to case

Vdc

Vdc

ENVIRONMENTAL

case operating temperature -40 105 °C

storage temperature -55 125 °C

humidity non-condensing 95 %

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MECHANICAL DRAWING

MECHANICAL

dimensions 1.45 x 2.28 x 0.50 (36.8 x 57.9 x 12.7 mm) inch

case material aluminum

weight 63 g

units: inches[mm]

tolerance:

inches: X.XX = ±0.02

X.XXX = ±0.010

mm: X.XX = ±0.5

X.XXX = ±0.25

DERATING CURVE

Note: All specications measured at 25°C, nominal input voltage, and full load unless otherwise noted.