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参数资料
| 型号： | PKB4418PIP |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 45 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 2.280 X 0.750 INCH, LOW PROFILE PACKAGE-8 |
| 文件页数： | 2/8页 |
| 文件大小： | 451K |
| 代理商： | PKB4418PIP |
2
EN/LZT 108 6072 P1A Ericsson Inc., Power Modules , November 2002
PKB 4418 PINB
General
Safety
The PKB 4000 PI Series DC/DC converters
are designed in accordance with Safety
Standards IEC/EN/UL 60 950, Safety of
Information Technology Equipment.
The PKB 4000 Series DC/DC converters are
ULC 60 950 recognized and certified in
accordance with EN 60 950.
The DC/DC converters should be installed in
end-use equipment, in accordance with the
requirements of the ultimate application.
The input source must be isolated by
minimum Basic Insulation from the primary
circuit in accordance with IEC/EN/UL 60
950. If the input voltage to the DC/DC
converter is 75Vdc or less, then the output
remains SELV (Safety Extra Low Voltage)
under normal and abnormal operating
conditions. Single fault testing in the input
power source circuit should be performed
with the DC/DC converter connected to
demonstrate that the input voltage does not
exceed 75Vdc. If the input power source
circuit is a DC power system, the source
maybe treated as a TNV2 circuit and testing
has demonstrated compliance with SELV
limits and isolation requirements equivalent
to Basic Insulation in accordance with IEC/
EN/UL 60 950.
It is recommended that a fast blow fuse with a
rating of 5A be used at the input of each DC/
DC converter. The PKB series DC/DC
converters are approved for a maximum fuse
rating of 15A. If a fault occurs in the DC/DC
converter that imposes a short circuit on the
input power source, this fuse will provide the
following functions:
Isolate the faulty DC/DC converter from the
input source so as not to affect the
operation of other parts of the system.
Protect the distribution wiring from
excessive current and power loss thus
preventing hazardous overheating.
Note:
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 the Output data or Electrical Characteristics.
VRC
Absolute Maximum Ratings
TPcb
Maximum Operating Pcb Temperature
– 40
+110
°C
TS
Storage temperature
– 55
+125
°C
VI
Input voltage
– 0.5
+ 80
V dc
VISO
2250
V dc
Isolation voltage (input to output test voltage)
Vadj
Output adjust voltage pin 6 (measured from pin 5)
-0.5
2 x Vo
Vdc
-0.5
15
Vdc
Remote control voltage pin 2 (measured from pin 1)
Characteristics
min
max
Unit
Note:
1) The input voltage range 38...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.
V I
Input voltage range1)
IO = 0...IOmax
38
75
Vdc
V Ioff
Turn-off input voltage
Ramping from higher
30
33.5
35
Vdc
voltage
V Ion
Turn-on input voltage
Ramping from lower
32
34.5
36
Vdc
voltage, IO = 0...IOmax
C I
Input capacitance
2.18
uF
IIac
10
mAp-p
Input TPcb < TPcb max
V
TRIM
Maximum input voltage
6.6
Vdc
on trim pin
II max
Maximum input current
VI = VImin,
66 W
1.55
A
Reflected ripple current
5 Hz to 20 MHz
Characteristics
Conditions
min
typ
max
Unit
IO =0, VI = 53 V
1.6
W
Input idling power
PIi
Input stand-by power
(turned off with RC)
VI = 53V, RC open
0.055
W
PRC
VTrans
Input Voltage Transient
80
V dc
Environmental Characteristics
Random
IEC 68-2-34E
D
Frequency
10...500 Hz
Vibration
Spectral density
0.025 g2/Hz
Duration
10 min each direction
Frequency
10...500 Hz
Amplitude
0.75mm
Acceleration
10g
Number of cycles
10 in each axis
Characteristics
Sinusoidal
Vibration
IEC 68-2-6 Fc
Shock
(Half sinus)
IEC 68-2-27 Ea
Peak acceleration
100g
Temperature
change
IEC 68-2-14 Na
Accelerated
damp heat
Solder
resistability
IEC 68-2-3 Ca
with bias
IEC 68-2-20 Tb 1A
Resistance to
cleaning solvents
IEC 68-2-45 XA
Method 1
Duration
3ms
Temperature
-40°C… +125°C
Number of cycles
300
Temperature, solder
260°C
Duration
10…13 s
Temperature
85°C
Humidity
85% RH
Duration
1000 hours
Water
+55 ±5°C
Isopropyl alcohol
+35 ±5°C
Method
with rubbing
Test procedure & conditions
The galvanic isolation is verified in an electric
strength test. The test voltage (VISO) between
input and output is 2250 Vdc for 60 seconds.
Leakage current is less than 1uA at nominal
input voltage.
The flammability rating for all construction
parts of the DC/DC converter meets UL 94V-0.
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