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参数资料
| 型号： | PF600-1 |
| 厂商： | CD TECHNOLOGIES INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 600 W AC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 3/4页 |
| 文件大小： | 426K |
| 代理商： | PF600-1 |
3
PF600-1 Rev A 9/2004
Product: www.cdpoweronline.com
ADDITIONAL FEATURES CONTINUED
Auxiliary Output
An auxiliary output (Vaux) is provided (Aux+, pin 8
and Aux-, pin 9) as a bias for auxiliary circuitry. The
nominal output voltage is 12V, but may rise to 14V at
no load and may fall to 10V at full load. This output
is present when the input exceeds about 30VAC and,
with a 470uF bulk capacitor across the C+ (pin 4) and
C- (pin 5) terminals, remains in specication for at least
4 seconds after collapse of the main output (Vo) when
the input is removed. This output is powered from the
bulk capacitor which remains charged during shutdown
periods. Maximum output current from Vaux is 50mA.
Overload of this current-limited output may affect the
operation of the PF600. The output is isolated from all
other conections; SELV to EN60950.
Passive Load Share
The output voltage of the PF600-1 falls moderately in
response to both temperature and load current. Conse-
quently, the combined effect contributes to balancing of
the total load current among units connected in parallel.
This response is commonly referred to as “passive load
sharing” or “droop sharing”. Additional information on
parallel operation of the PF600-1 is available in Ap-
plication Note ACAN-09.
Output Current Limit
Output current limit inception occurs between 13.1A and
15.6A (115% ±10%) at working output voltages. Over
the full range of output voltage, the available current
will be between 6A and 20A. When the output voltage
falls under an overload condition, the output is disabled
after a short time (typically 35ms at short circuit) and
retries at intervals of about 2 seconds until the overload
condition is cleared.
Thermal Shutdown
Thermal protection occurs at 100C minimum at the
baseplate. A small degree of hysteresis is included
to ensure clean switching. See absolute maximum
ratings.
Input Protection
An input fuse is required external to the PF600 module.
Recommended maximum rating is 10A, 250V HBC. A
lter and other voltage-limiting circuitry is required at the
input when the unit is to be supplied from AC mains.
These are necessary not only for EMC compliance, but
also to prevent differential transient voltages from being
applied between the input terminals of the module that
could damage the unit. Additional information on input
protection is available in Application Notes ACAN-12
and ACAN-13.
Input Undervoltage Protection
Nodamagewillresultfromoperationatvoltagesbelowthe
specied operating range. Available power will de-
crease below 90V, and at a voltage below 85V (typically
82VAC) the main output is switched off.
EMC
Requires an external lter to achieve compliance with
EN55022 and FCC conducted and radiated levels at the
input or other standards as dictated by the application.
Complies with EN61000-3-2 limits for harmonic currents
at input. EN55082-1 and EN55082-2 at levels to be
determined. Additional information on EMI ltering is
available in Application Note ACAN-14 (pending).
For additional support or application notes for the
PF600-1, please visit our website at http://www.cd-
poweronline.com/products/appnotes.asp. or call your
local representative.
相关PDF资料 |
PDF描述 |
|---|---|
| PFC-600-LF | AC-DC REG PWR SUPPLY MODULE |
| PFC-600-LF | AC-DC REG PWR SUPPLY MODULE |
| PFC-600 | 1-OUTPUT 600 W AC-DC PWR FACTOR CORR MODULE |
| PFC-1000 | 1-OUTPUT 1000 W AC-DC PWR FACTOR CORR MODULE |
| PFC-600 | 1-OUTPUT 600 W AC-DC PWR FACTOR CORR MODULE |
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