LQD40A48-3V3-1V5RENJ datasheet, PDF

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LQD40A48-3V3-1V5RENJ: Descriptionisolated DC/DC converters 2out 1.5V/3.3V 20a 7-pin 1/4-brick; Categorysemiconductor Power management; File Size4MB，3 Pages; ManufacturerArtesyn; Websitehttp://www.artesyn.com; Environmental Compliance

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LQD40A48-3V3-1V5RENJ Overview

isolated DC/DC converters 2out 1.5V/3.3V 20a 7-pin 1/4-brick

LQD40A48-3V3-1V5RENJ Parametric

Parameter Name	Attribute value
Manufacture	Artesyn Embedded Technologies
Product Category	Isolated DC/DC Converters
RoHS	Yes
Produc	Isolated
Factory Pack Quantity	240

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Quarter-Brick Series

Dual output

DC/DC CONVERTERS

•

High Current, High E ciency, Low Pro le

NEW Product

Two independent outputs

High full load e ciency

Wide ambient temperature range of -40 ºC to +85 ºC

Up to 100% load imbalance

Tracking, monotonic start-up

Starts into pre-biased outputs

Basic insulation system

Over-voltage and over-temperature protection

100 V, 100 ms input voltage transient response

Secondary side control, no optocouplers,

fast transient load response

•

Available RoHS compliant

These are new high e ciency, open-frame, isolated 40 A converters in an industry standard dual

quarter-brick footprint. These converters deliver high output current at low voltages, and excel-

lent useable power density for today’s high end applications. This series features an input volt-

age range of 36 Vdc to 75 Vdc and output voltages of 1.2 V/3.3 V, 1.5 V/3.3 V, 1.8 V/3.3 V 2.5

V/3.3 V, and 5 V/3.3 V. The output voltage on each model is adjustable from 90% to 110% of

the nominal value. Typical e ciencies are 90%. This series also has a remote ON/OFF capabili-

ty. Over-current and over-voltage protection features are included as standard. Designed to

meet inter national safety agency approvals, including EN60950-1 and UL/cUL60950, this series

reduces compliance costs and time to market.

All speci cations ar

OUTPUT SPECIFICA

Voltage adjustability

M inimum loa d

Ripple and noise

Shor t circuit pr otection

Turn-on characteristics

INPUT SPECIFICATIONS

Input voltage range

Input cur rent

Active high remote ON/OFF

Logic compatibility

OFF

Undervoltage lockout

Start-up time

Power up

Power down

Power up

Remote ON/OFF

48 V nominal

No load

Remote OFF

36-75 Vdc

80 mA max.

6 mA max.

Open collector ref to -input

O pe n c irc uit or >2 . 4 V dc

<0 . 4 V d c

35.5 V (typ.)

33.5 V (typ.)

14 ms (typ.)

Both outputs

e typical at nominal input, full load at 25

TIONS

Both outputs

B oth outputs

20 MHz bandwidth

±10% min.

50 mV pk-pk max.

15 mV rms max.

Both outputs

Monotonic

°C ambient unless otherwise stated

EMC CHARACTERISTICS

2 YEAR WARRANTY

SPECIFICA

TIONS

Immunity:

ESD air enclosure

EN61000-4-2 8 kV/6 kV(O/P within spec.)

Radiated eld enclosur e EN61000-4-3 10 V/m (O/P within spec.)

Conducted

EN61000-4-6 10 V

(O/P within spec.)

Input transients

100 V, 100 ms

GENERAL SPECIFICA

E ffic ie nc y

Basic insulation

Switching fr equency

Approvals and

s ta nda rds

M a te ria l fla mma bility

We ight

MTBF

Input/output

F ix e d

(See Notes 1 and 2)

TIONS

S e e ta ble

2250 Vdc

480 kH z

EN60950-1 VDE

U L /c U L 6 0 9 5 0

U L 9 4 V- 0

3 4 g (1 . 2 oz )

Telcor dia T ech SR-332 2,883,816 hours

ENVIRONMENTAL SPECIFICATIONS

Thermal performance

Operating ambient.,

temperature

Non-operating

-40 °C to +85 °C

-55 °C to +125 °C

PROTECTION

S hort- c irc uit

Over volta ge

T he r m a l

C ontinuous

N on- la tc hing

1 2 5 ºC hot s pot te mpe ra ture with

automatic recovery

International Safety Standard Approvals

UL/cUL CAN/CSA 22.2 No. 60950-00 : UL 60950

File No. E135734/60950

VDE Certi cate No. 10401-3336-0197

File Name: quarter_brick_dual.pdf Rev (01): 29 Mar 2006

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