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參數(shù)資料
| 型號： | PQ50180HTB10NNS-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 180 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, HALF BRICK PACKAGE-12 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 1178K |
| 代理商： | PQ50180HTB10NNS-G |
Technical Specification
Product # PQ50180HTB10
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005486 Rev. B
04/14/10
Page 13
Input:44-52V
Output:18V
Current:10A
Part No.:PQ50180HTB10
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.
Figure F: Startup Inhibit Period (turn-on time not
to scale)
200ms
Under-Voltage
Lockout Turn-On
Threshold
ON/OFF
(Positive
logic)
Vout
Vin
200ms
t0
t1
t2
t
ON
OFF
25 ms
(typical turn on time)
200ms
(typical turn
start-up inhibit
period time)
ON
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