Technical
S pecification
PQ60120EML04
48V in
Input
12Vout
Output
4Amp
Current
2000Vdc
Isolation
Eighth-brick
DC/DC Conver ter
T h e PQ6 0120 EM L 04 Pow e r Qor
™
M eg a e i gh th- bri c k c on -
v er t er is a n ext -ge ner a ti on , b o ar d- mo un t ab l e, iso la t ed , fixed
s wit ch ing freq u enc y DC /DC co nv er t er th a t us es sy n chr on ou s
r ect ifi ca ti on t o ac hie ve ext r emel y h igh co nv er sio n effic ien cy .
T he p ower d is sip a te d by th e con v ert er i s so l ow th a t a
h ea tsin k is no t re qu ir ed, whi ch sa ves cos t, weigh t, h eigh t,
a n d a p pl ica tion effor t. A ll of the po wer an d c on tro l co mp o -
n en t s a r e mo un t ed t o t h e mu l ti- l ay er P CB s ub s tr a t e wit h hi gh-
yield surface mount technology. Since the PowerQor
™
con -
ver ter h a s n o exp l icit ther ma l in ter fac es , it i s extr emel y r el i -
able. RoHS compliant (see page 12 ).
Operational Features
• High efficiency, 90% at full rated load current
• Delivers up to 50 Watts of output power with minimal
derating - no heatsink required
• Wide input voltage range: 35V – 75V, with 100V
100ms input voltage transient capability
• Fixed frequency switching provides predictable EMI
performance
• No minimum load requirement means no preload
resistors required
PQ60120EML04 Module
Pr otection Features
• Input under-voltage lockout disables converter at low
input voltage conditions
• Output current limit and short circuit protection pro-
tects converter and load from permanent damage and
consequent hazardous conditions
• Active back bias limit prevents damage to converter
from external load induced pre-bias
• Output over-voltage protection protects load from dam-
aging voltages
• Thermal shutdown protects converter from abnormal
environmental conditions
Mechanical Features
• Industry standard eighth-brick pin-out configuration
• Industry standard size: 0.90” x 2.3” (22.9x58.4mm)
• Total height only 0.335” (8.5mm), permits better air-
flow and smaller card pitch
• Total weight: 0.68 oz. (19 grams)
• Flanged pins designed to permit surface mount solder-
ing (to avoid wave solder) using FPiP technique
Safety Features
• 2000V, 30 MΩ input-to-output isolation provides
input/output ground separation
• UL/cUL 60950-1 recognized (US & Canada), basic
insulation rating
• TUV certified to EN60950-1
• Meets 72/23/EEC and 93/68/EEC directives which
facilitates CE Marking in user’s end product
• Board and plastic components meet UL94V-0 flamma-
bility requirements
Contr ol Features
• On/Off control referenced to input side (positive and
negative logic options are available)
• Remote sense for the output voltage compensates for
output distribution drops
• Output voltage trim permits custom voltages and volt-
age margining
Product # PQ60120EML04
Phone 1-888-567-9596
Doc.# 005-2EM612E Rev. C
04/25/06
Page 1
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