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Ericsson Microelectronics

PKN4511PI Datasheet Preview

PKN4511PI Datasheet

(PKN4xxxx) DC/DC Converter

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• Regulated single and dual outputs
• Efficiency >90% (3.3V) from 30%
to full load
• Low profile 8.5 mm
www.DataSheet4U(0.c.o3m35 in.)
• 1,500 Vdc isolation voltage
• MTBF >200 years at +75°C case
temperature
• Full power up to +80°C ambient at
1 m/s airflow
• Complete, no extra filters or
heatsinks required
PKN 4000 I
50 W DC/DC power module
48 V input series
The PKN 4000 I series of DC/DC power modules are
intended to be used as distributed power sources in
decentralized 48/60 V DC power systems. The PKN
series use a ceramic substrate with thickfilm technolo-
gy and a high degree of silicon integration. That to-
gether with the electrical design using synchronous
rectification gives good thermal management, high
reliability and high efficiency. The high efficiency,
makes it possible to operate over a wide temperature
range without a heatsink. At forced convection cooling
>200 lfm (1 m/s), the PKN units can deliver full
power up to +80°C ambient temperature. The high
reliability and the low profile of the PKN series makes
them particularly suited for Information Technology
and Telecom (IT&T) applications with board spacing
down to 15 mm (0.6 in.).
These products are manufactured using highly
automated manufacturing lines with a world-class
quality commitment and a five-year warranty.
Ericsson Microelectronics AB has been an ISO 9001
certified supplier since 1991. For a complete product
program please reference the back cover.
E




Ericsson Microelectronics

PKN4511PI Datasheet Preview

PKN4511PI Datasheet

(PKN4xxxx) DC/DC Converter

No Preview Available !

General
Absolute Maximum Ratings
Characteristics
min max Unit
TC Case temperature @ max output power
– 45
+100
°C
TS Storage temperature
VI Input voltage
– 55
– 0.5
+125
+80
°C
V dc
VISO
Isolation voltage
(input to output test voltage)
1500
V dc
VLO Local on/off voltage pin 1
– 0.5
+ 80 V dc
VRO Remote on/off voltage pin 2
– 0.5
+ 80 V dc
www.DataSVhReCet4U.cRoemmote control voltage
Vadj Output adjust voltage pin 17
0
– 0.5
6
2×VOi
V
V dc
Stress in excess of Absolute Maximum Ratings may cause permanent damage. Absolute Maximum Ratings,
sometimes referred to as no destruction limits, are normally tested with one parameter at a time exceeding the
limits of Output data or Electrical Characteristics. If exposed to stress above these limits, function and performance
may degrade in an unspecified manner.
Input TC < TC max
Characteristics
VI Input voltage range1)
VIoff Turn-off input voltage
VIon Turn-on input voltage
Conditions
(See Operating Information)
(See Operating Information)
rI rush
CI
PIi
PIst-by
Equivalent inrush current resistance
Input capacitance
Input idling power
IO =0,VI = 53 V
Input stand-by power VI = 53 V, LO/RO to pin 6
min
36
typ
32
34
150
4
1.3
0.25
max
75
Unit
V
V
V
mW
mF
W
W
Environmental Characteristics
Characteristics
Test procedure & conditions
Vibration
(Sinusoidal)
Shock
(Half sinus)
Temperature
change
Accelerated
damp heat
Solder
resistability
Resistance to
cleaning solvents
IEC 68-2-6 Fc
IEC 68-2-27 Ea
IEC 68-2-14 Na
IEC 68-2-3 Ca
with bias
IEC 68-2-20 Tb 1A
IEC 68-2-45 XA
Method 1
Frequency
Amplitude
Acceleration
Number of cycles
Peak acceleration
Shock duration
Temperature
Number of cycles
Temperature
Humidity
Duration
Temperature, solder
Duration
Water
Isopropyl alcohol
Terpens
Method
10…500 Hz
0.75 mm
10 g
10 in each axis
200 g
3 ms
–40°C… +125°C
300
85°C
85% RH
1000 hours
260°C
10…13 s
+55 ±5°C
+35 ±5°C
+35 ±5°C
with rubbing
Safety
The PKN 4000 I Series DC/DC power
modules are designed in accordance with
EN 60 950 Safety of information technology
equipment including electrical business equipment,
and certified by SEMKO.
The isolation is an operational insulation in
accordance with EN 60 950.
The PKN DC/DC power modules are re-
cognized by UL and meet the applicable
requirements in UL 1950 Safety of informa-
tion technology equipment, the applicable
Canadian safety requirements and UL 1012
Standard for power supplies.
The DC/DC power module shall be
installed in an end-use equipment and is
intended to be supplied by isolated
secondary circuitry and shall be installed in
compliance with the requirements of the
ultimate application. When the supply to
the DC/DC power module meets all the
requirements for SELV (<60Vdc), the
output is considered to remain within
SELV limits (level 3). If connected to a 60
V DC power system reinforced insulation
must be provided in the power supply that
isolates the input from the ac mains. Single
fault testing in the power supply must be
performed in combination with the DC/DC
power module to demonstrate that the
output meets the requirement for SELV.
One pole of the input and one pole of the
output is to be grounded or both are to be
kept floating.
The terminal pins are only intended for
connection to mating connectors of
internal wiring inside the end-use
equipment.
These DC/DC power modules may be used
in telephone equipment in accordance with
paragraph 34 A.1 of UL 1459 (Standard
for Telephone Equipment, second edition).
The isolation voltage is a galvanic isolation
and is verified in an electric strength test.
Test voltage between input and output is
1500 V dc for 60 s. In production the test
duration may be decreased to 1 s.
The capacitor between input and output
has a value of 4.7 nF and the leakage
current is less than 1mA @ 50 Vdc.
Flammability ratings of the terminal
support and internal plastic construction
details meets UL 94V-0.
Note:
1) The input voltage range 36...75 V meets the
requirements in the European Telecom Standard
prETS 300 132-2 for Normal input voltage
range in 48 V and 60 V DC power systems, –
40.5...–57.0 V and –50.0...–72.0 V
respectively.
2 EN/LZT 146 27 R4A © Ericsson Microelectronics, February 2002


Part Number PKN4511PI
Description (PKN4xxxx) DC/DC Converter
Maker Ericsson Microelectronics
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