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PDF PKF5611SI Data sheet ( Hoja de datos )
| Número de pieza | PKF5611SI | |
| Descripción | 5-6W DC-DC Power Modules Wide Input Series | |
| Fabricantes | Ericsson Components | |
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PKF 5000 I
5–6 W DC/DC Power Modules
Wide Input Series
• SMD and through-hole versions with
ultra low component height 8 mm
(0.315 in.)
• 18–72 V input voltage range
• 82% efficiency (typ at 5 V)
• 1,500 V dc isolation voltage
• Switching frequency syncronization
• MTBF > 4.9 million hours at +55°C
case temperature (+40 °C ambient)
• Low EMI measured according to
CISPR 22 and FCC part 15J
Patents
US: D357901 DE: M94022763
The MacroDens™ PKF 5000 I series true component
level on-board DC/DC power modules are intended
as distributed power sources in decentralized 24, 48
and 60 V DC power systems. Utilization of thick film
technology and a high degree of silicon integration
has made it possible to achieve a MTBF of more than
4.9 million hour.
The highly reliable and rugged over-moulded design
and the ultra low height of these DC/DC power
modules makes them particularly suited for Informa-
tion Technology and Telecom (IT&T) and other
demanding industrial applications, with board
spacing down to 15 mm or 0.6 in. These DC/DC
power modules are optimized for free convection
cooling and have an operational ambient temperature
range in compliance with present and future
application needs, including non temperature con-
trolled environments.
The mechanical design offers the choice of surface
mount or through-hole versions, delivered in ready-
to-use tubes, trays or tape & reel package, and
compatibility with semi and fully aqueous cleaning
processes.
The PKF series is 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
1 page  
Safety
The PKF Series DC/DC power modules are designed in accordance
with EN 60 950, Safety of information technology equipment including
electrical business equipment. SEMKO approval pending.
The DC/DC power module shall be installed in an end-use equip-
ment and considerations should be given to measuring the case tem-
perature to comply with TCmax when in operation. Abnormal compo-
nent tests are conducted with the input protected by an external 3 A
fuse. The need for repeating these tests in the end-use appliance shall
be considered if installed in a circuit having higher rated devices.
When the supply to the DC/DC power module meets all the require-
ments for SELV (<60 V dc), the output is considered to remain within
SELV limits (level 3). The isolation is an operational insulation in
accordance with EN 60 950.
The DC/DC power module is intended to be supplied by isolated
secondary circuitry and shall be installed in compliance with the
requirements of the ultimate application. If they are connected to a
60 V DC system reinforced insulation must be provided in the power
supply that isolates the input from the 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 con-
nectors 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 Tele-
phone Equipment, second edition).
The galvanic isolation is verified in an electric strength test. Test
voltage (VISO) between input and output is 1,500 V dc for 60 s. In
production the test duration is decreased to 1 s.
The capacitor between input and output has a value of 1 nF and the
leakage current is less than 1µA @ 53 V dc.
The case is designed in non-conductive epoxy. Its flammability
rating meets UL 94V-0. The oxygen index is 34%.
Electrical Data
Fundamental circuit diagrams
Single output
Transient input voltage
Single voltage pulse at +25 °C ambient temperature.
EN/LZT 146 32 R1A (Replaces EN/LZT 137 27 R3) © Ericsson Microelectronics, June 2000
5
5 Page 
EMC Specifications
The fundamental switching frequency is 510 kHz ± 26 kHz.
Conducted EMI (input teminals)
EFT
Electrical Fast Transients on the input terminals could affect the
output voltage regulation causing functional errors on the Printed
Board Assembly (PBA). The PKF power modules withstand EFT
levels of 0.5 kV keeping VO within the tolerance band and
2.0 kV without destruction. Tested according to IEC publ. 801-4.
Output Ripple & Noise (VOac)
Output ripple is measured as the peak to peak voltage of the funda-
mental switching frequency.
PKF series typical conducted EMI performance
Test set up
Operating Information
Fuse Considerations
To prevent excessive current from flowing through the input supply
line, in the case of a short-circuit across the converter input, an
external fuse should be installed in the non-earthed input supply
line. We recommend using a fuse rated at approximately 2 to 4 times
the value calculated in the formula below:
Iinmax =
PO max
(hmin × VImin)
For further information, please refer to the fuse manufacturer .
The PKF meets class A in VDE 0871/0878, FCC Part 15J, and CISPR 22
(EN 55022), except for the fundamental switching frequency.
Conducted EMS
Electro Magnetic Susceptibility is measured by injection of elec-
trical disturbances on the input terminals. No deviation outside
the VO tolerance band will occur under the following conditions:
Frequency range
0.15...300 MHz
Voltage level
1.0 Vrms
The signal is amplitude modulated with 1 kHz/80% and applied
both differential and common mode.
Remote Control (RC)
Turn-on or turn-off can be realized by using the RC-pin. If pin 11 is
connected to pin 17 the power module turns off. Normal operation is
achieved if pin 11 is open (NC) . To ensure safe turn-off the voltage
difference between pin 11 and 17 shall be less than 2.0 V. RC is an
TTL open collector compatible output with a sink capacity >300 mA
(see fig. 1).
Radiated EMS (Electro-Magnetic Fields)
Radiated EMS is measured according to test methods in
IEC Standard publ. 801-3. No deviation outside the VO tolerance
band will occur under the following conditions:
Frequency range
0.01...200 MHz
200...1,000 MHz
1...12 GHz
Voltage level
3 Vrms/m
3 Vrms/m
10 Vrms/m
ESD
Electro Static Discharge is tested according to IEC publ. 801-2. No
destruction will occur if the following voltage levels are applied to
any of the terminal pins:
Test
Air discharge
Contact discharge
Voltage level
±4 kV
±2 kV
Figure 1
Over Voltage Protection (OVP)
The remote control can also be utilized for OVP by using the exter-
nal circuitry in figure 2. Resistor values are for 5 V output applica-
tions, but can easily be adjusted for other output voltages and the
desired OVP level.
EN/LZT 146 32 R1A (Replaces EN/LZT 137 27 R3) © Ericsson Microelectronics, June 2000
11
11 Page | ||
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