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参数资料
| 型号： | PMA4118HSF/B |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 18 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | SMT-14 |
| 文件页数： | 12/21页 |
| 文件大小： | 363K |
| 代理商： | PMA4118HSF/B |
2
PMA 4000 Series Datasheet
EN/LZT 146 012 R3A Ericsson Power Modules, November 2003
Characteristics
Conditions
min
typ
max
Unit
VI
Input voltage range
3.0
3.3
3.6
Vdc
VIoff
Turn-off input voltage
Ramping from higher
voltage
2.3
Vdc
VIon
Turn-on input voltage
Ramping from lower
voltage
2.4
Vdc
CI
Input capacitance
245
F
PIi
Input idling power
Io= 0
350
mW
PRC
Input stand-by power
(RC active)
Non operation
15
mW
VIac
Input ripple
20Hz...5MHz, Iomax
140 1)
mV
Characteristics
min
max
Unit
TC
Operating Case Temperature
-45
+110
C
TS
Storage temperature
-55
+125
C
VI
Input voltage
-0.3
+4.0
Vdc
Input
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 Output data or Electrical Characteristics. If
exposed to stress above these limits, function and performance may degrade in an unspecied manner.
Absolute Maximum Ratings
Characteristics
Random Vibration
IEC 68-2-34Ed
Frequency
Acceleration density
10 ... 500 Hz
0.5 g2/Hz
Vibration
(Sinusoidal)
IEC 68-2-6 Fc
Frequency range
Acceleration amplitude
Number of cycles
10 ... 500 Hz
10 g or displacement
amplitude 0.75 mm
10 in each axis
Mechanical shock
(half sinus)
IEC 68-2-27 Ea
Peak acceleration
Duration
200 g
3 ms
Temperature
cycling
IEC 68-2-14 Na
Temperature
Number of cycles
-40 ... +125 C
500
Accelerated damp
heat
IEC 68-2-3 Ca
with bias
Temperature
Humidity
Duration
+85 C
85 % RH
1000 hours
Solderability
IEC 68-2-54
Solde immersion depth
Time for onset of wetting
Wetting force
2 mm
< 2.5 s
> 200 mN/m
Resistance to
cleaning solvents
Moulded package
Laser marking
Fluid
All commercially avail-
able
Cold (in operation)
IEC 68-2-1, test Aa
Temperature
-45 C
Storage
IEC 68-2-2 Ba
Temperature
Duration
+125 C
1000 h
Environmental Characteristics
Safety
The PMA 4000 series DC/DC regulators
are designed in accordance with safety
standards IEC/EN/UL 60 950, Safety of
Information Technology Equipment.
The PMA 4000 series DC/DC regulators
are UL 60 950 recognized and certied in
accordance with EN 60 950.
The DC/DC regulator should be installed
in the end-use equipment, in accordance
with the requirements of the ultimate
application. The input source must be
isolated by minimum Reinforced or
Double insulation from the primary
circuit in accordance with IEC/EN/UL
60 950. If the input voltage to the DC/
DC regulator is SELV (Safety Extra Low
Voltage) then the output remains SELV
under normal and abnormal operating
conditions.
It is recommended that a slow blow fuse
with a rating of 25A be used at the input
of each DC/DC regulator. If a fault occurs
in the regulator that imposes a short
circuit on the input source, this fuse will
provide the following functions:
Isolate the faulty DC/DC regulator
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 ammability rating for all
construction parts of the DC/DC
regulator meets UL 94V-0.
TC = -30C...+90C, VI = 3.0...3.6V unless otherwise specied
Typ values specied at: TC = +25C, VInom. VInom = 3.3V, Iomax = 12A
1) Measured with L = 1.6 H and 10 F at the input.
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