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參數(shù)資料
| 型號： | PQ55540HTM05PNS |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 275 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 604K |
| 代理商： | PQ55540HTM05PNS |
Product # PQ55540HTL05
Phone 1-888-567-9596
Doc.# 005-2HT554F Rev. A
04/20/06
Page 12
Input:
Output:
Current:
PPackage:
ackage:
38-55 V
54 V
5.1 A
5.1 A (275W)
(275W)
Half-brick
T
Technical S
echnical Specification
pecification
Startup Inhibit Period: The Startup Inhibit Period ensures that
the converter will remain off for approximately 200ms when it is
shut down for any reason. When an output short is present, this
generates a 5Hz "hiccup mode," which prevents the converter
from overheating. In all, there are seven ways that the converter
can be shut down, initiating a Startup Inhibit Period:
Input Under-Voltage Lockout
Input Over-Voltage Shutdown (not present in Quarter-brick)
Output Over-Voltage Protection
Over Temperature Shutdown
Current Limit
Short Circuit Protection
Turned off by the ON/OFF input
Figure F shows three turn-on scenarios, where a Startup Inhibit
Period is initiated at t0, t1, and t2:
Before time t0, when the input voltage is below the UVL threshold,
the unit is disabled by the Input Under-Voltage Lockout feature.
When the input voltage rises above the UVL threshold, the Input
Under-Voltage Lockout is released, and a Startup Inhibit Period is
initiated. At the end of this delay, the ON/OFF pin is evaluated,
and since it is active, the unit turns on.
At time t1, the unit is disabled by the ON/OFF pin, and it cannot
be enabled again until the Startup Inhibit Period has elapsed.
When the ON/OFF pin goes high after t2, the Startup Inhibit
Period has elapsed, and the output turns on within the typical
Turn-On Time.
RoHS Compliance: The EU led RoHS (Restriction of Hazardous
Substances) Directive bans the use of Lead, Cadmium,
Hexavalent Chromium, Mercury, Polybrominated Biphenyls
(PBB), and Polybrominated Diphenyl Ether (PBDE) in Electrical
and Electronic Equipment. This SynQor product is available as
5/6 RoHS compliant (product with lead) or 6/6 RoHS compliant.
For more information please refer to SynQor’s RoHS addendum
available at our RoHS Compliance / Lead Free Initiative web
page or e-mail us at rohs@synqor.com.
Under-Voltage
Lockout Turn-On
Threshold
ON/OFF
(pos logic)
Figure F: Startup Inhibit Period (turn-on time not to scale)
Vout
Vin
200ms
(typical start-up
inhibit period)
t0
t1
t2
t
25ms (typical
turn on time)
ON
OFF
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相關(guān)代理商/技術(shù)參數(shù) |
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