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參數(shù)資料
| 型號： | PQ60012EKA30NRS-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 36 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, EIGHTH BRICK PACKAGE-8 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大小： | 4056K |
| 代理商： | PQ60012EKA30NRS-G |
Product # PQ60012EKx30
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005860 Rev. 1
08/24/10
Page 15
Technical
Specification
PQ60012EKx30
Applications Section
Under-Voltage
Lockout Turn-On
Threshold
ON/OFF
(pos logic)
V
out
V
in
(typical start-up
inhibit period)
t
0
t
1
t
2
t
(typical turn on time)
ON
OFF
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 five ways that
the converter can be shut down, initiating a Startup Inhibit
Period:
Input Under-Voltage Lockout.
Output Over-Voltage Protection
Over Temperature Shutdown
Current Limit
Turned off by the ON/OFF input
Figure F shows three turn-on scenarios, where a Startup Inhibit
Period is initiated at t
0, t1, and t2:
Before time t
0, 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 t
1, 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.
10ms
200ms
21ms
Figure F: Startup Inhibit Period (turn-on time not to scale)
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