参数资料
| 型号： | PSB483-7IR |
| 厂商： | Power-One |
| 文件页数： | 3/15页 |
| 文件大小： | 0K |
| 描述： | SWITCHING REGULATOR 144W 48V |
| 标准包装： | 1 |
| 系列： | * |
PSB Series Data Sheet
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Functional Description
The switching regulators use the buck converter topology.
The input is not electrically isolated from the output. During
the on period of the switching transistor, current is transferred
to the output, and energy is stored in the output choke. During
the off period, this energy forces the current to continue
flowing through the output, to the load, and back through the
Positive Switching Regulators
freewheeling diode. Regulation is accomplished by varying the
duty cycle (on to off ratio) of the power switch.
These regulators are ideal for a wide range of applications,
where input to output isolation is not necessary, or where
already provided by an external front end (e.g., a transformer
with rectifier). To optimize customer ’s needs, additional options
and accessories are available.
03011a
I i
Vi+
Vo+
I o
Option C
i
V i
Gi–
Control circuit
Option C
R
G
Go–
V o
Option P
Fig. 1
Block diagram PSB
BCD20026-G Rev AA, 18-May-2011
Page 3 of 15
www.power-one.com
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