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參數(shù)資料
| 型號： | PKD4311SI |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 12/20頁 |
| 文件大小： | 338K |
| 代理商： | PKD4311SI |
2
EN/LZT 146 120 R2B Ericsson Power Modules AB, March 2003
Characteristics
Conditions
min
typ
max
Unit
VI
Input voltage range1)
36
75
V
VIoff
Turn-off input voltage
(See operating information)
32
V
VIon
Turn-on input voltage
See operating information)
36
V
CI
Input Capacitance
1.4
F
PIi
Input idling power
IO = 0, VI = 53 V
2.0
W
PIst-by
Input stand-by power1)
VI = 53 V
0.5
W
Environmental Characteristics
General
Input TC < TC max
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.
Safety
The PKD 4000 SI Series DC/DC converters
are designed in accordance with Safety stan-
dards IEC/EN/UL 60 950, Safety of Information
Technology Equipment.
The PKD 4000 SI Series DC/DC converters
are UL 60950 recognized and certied in ac-
cordance with EN 60 950.
The DC/DC converter should be installed in
the end-use equipment in accordance with the
requirements of the ultimate equipment. The
input source must be isolated by minimum
Basic Insulation from the primary circuit in
accordance with IEC/EN/UL 60950.
If the input voltage to the DC/DC converter
is 75 V dc or less, then the output remains
SELV (Safety Extra Low Voltage) under nor-
mal and abnormal 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 75 V dc. If the
input power source circuit is a DC power sys-
tem, the source may be treated as a TNV2 cir-
cuit 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 2.5 A be used at the input of
each DC/DC converter. The PKD 4000 SI
series DC/DC converters are approved for a
maximum fuse rating of 15 A. 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 power source 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
The galvanic isolation is veried in an electric
strength test. The test voltage (VISO) between
input and output is 1,500 V dc for 60 s.
Leakage current is less than 1 A at nominal
input voltage.
The ammability rating for all construc-
tion parts of the DC/DC converter meets UL
94V-0.
1) With module inhibited with RC pin no 5.
Absolute Maximum Ratings
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 unspecied manner.
1) Measured on pin 22.
2) VOI = initial output voltage setting.
Characteristics
min
max
Unit
TC
Case temperature at max output power1)
-45
+100
C
TS
Storage temperature
-55
+125
C
VI
Input voltage
-0.5
+80
Vdc
VISO
Isolation voltage
(Input to output test voltage)
1500
Vdc
VRO
Remote on/off voltage pin 5
SI version
SIN version
-0.5
+6
+9
Vdc
Vadj
Output adjust voltage pin 162)
-0.5
2xVoi
Vdc
Characteristics
Test procedure & conditions
Random vibration
IEC 68-2-34 Ed
Frequency
Spectral density
Duration
10 ... 500 Hz
0.025 g
2/Hz
15 min each direction
Bump
IEC 68-2-29 Test Eb
Peak acceleration
Duration
Directions
number of bumps
40 g
6 ms
6
1000/direction
Shock
(Half sinus)
IEC 68-2-27
Peak acceleration
Shock duration
200 g
0.5 ms
Temperature change
JESD 22-A104
(IEC 68-2-14 Na)
Temperature
Number of cycles
-40 ... +125 C
300
Operational Lifetime
test
Case temperature
Load
Input voltage
Duration
100 C
Nominal
Max
1000 h
Accelerated damp
heat
IEC 68-2-3 Ca
with bias.
Nominal input voltage
Temperature
Humidity
Duration
85 C
85 % RH
1000 hours
Resistance to
cleaning solvents
IEC 68-2-45 XA
Method 1
Water
Isopropyl alcohol
Glycol ether
Method
+55 ±5 C
+35 ±5 C
with rubbing
Moisture /
Reflow sensitivity
classification
IPC/JEDEC
J-STD-020A
Level 1
High Temperature Reflow
(See page 17)
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