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參數(shù)資料
| 型號： | PKF2113ASI/C |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 12 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | 8 MM HEIGHT, POWER, MODULE, SMD-18 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 694K |
| 代理商： | PKF2113ASI/C |
14
EN/LZT 146 31 R1B Ericsson Power Modules AB, March 2004
Capacitive Load
The PKF series has no maximum limit for capacitive load on the
output. The power module may operate in current limiting mode
during start-up, affecting the ramp-up and the start-up time. For
optimum start performance we recommend maximum 100
mF/A
of IO. Connect capacitors at the point of load for best perfor-
mance.
Input and Output Impedance
Both the source impedance of the power feeding and the load im-
pedance will interact with the impedance of the DC/DC power
module.
It is most important to have the ratio between L and C as low
as possible, i.e. a low characteristic impedance, both at the input
and output, as the power modules have a low energy storage
capability.
Use an electrolytic capacitor across the input if the source
inductance is larger than 10
mH. Their equivalent series resist-
ance together with the capacitance acts as a lossless damping fil-
ter. Suitable capacitor values are in the range 10–100
mF.
Current Limiting Protection (Ilim)
The output power is limited at loads above the output current
limiting threshold (Ilim), specified as a minimum value.
Parallel Operation
Paralleling of several converters is easily accomplished by direct
connection of the output voltage terminal pins. The load regula-
tion characteristic is specifically designed for optimal paralleling
performance. Load sharing between converters will be within
±10%. It is recommended not to exceed PO = n × 0.9 × POmax,
where POmax is the maximum converter output power and n the
number of paralleled converters, to prevent overloading any of the
converters and thereby decreasing the reliability performance.
Synchronization (Sync)
It is possible to synchronize the switching frequency to an
external symmetrical clock signal. The input is TTL-compatible
and referenced to the input pin 18.
Delivery Package Information
Tubes
The PKF-series is delivered in tubes (designated by /A) with a
length of 500 mm (19.69 in), see fig. 5.
Figure 5
Trays
SMD versions, SI, can be delivered in standard JEDEC trays
(designated by /B) on request, see fig. 6. For more information,
please contact your local Ericsson sales office.
Figure 6
10.16
(0.4)
12.19
(0.48)
315.0
(12.4)
135.9
(5.35)
322.6
(12.7)
All dimensions in mm (in)
High level
2.2
6.5
V
Threshold level*)
1.2
1.7
2.2
V
Low level
0
0.4
V
Sink current
1.5
mA
Sync. frequency
520
688
kHz
*)
Rise time <10ns
Characteristics
min
typ
max
unit
Specification
Material:
Antistatic coated PVC
Max surface resistance: 1011
W/
Color:
Transparent
Capacity:
10 power modules/tube
Weight:
Typ. 60 g
End stops:
Pins
Specification
Material:
Polypropylene (PP)
Max temperature:
125C
Max surface resistance: 105W/
Color:
Black
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| PKF2111ASI/C | 1-OUTPUT 10 W DC-DC REG PWR SUPPLY MODULE |
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| PKF2113ASI/B | 1-OUTPUT 12 W DC-DC REG PWR SUPPLY MODULE |
| PKF2610ASI/C | 1-OUTPUT 6.6 W DC-DC REG PWR SUPPLY MODULE |
| PKF4111ASI | 1-OUTPUT 10 W DC-DC REG PWR SUPPLY MODULE |
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