參數(shù)資料
型號(hào)： CM2576CN263
廠商： Electronic Theatre Controls, Inc.
英文描述： 3A STEP DOWN VOLTAGE REGULATOR
中文描述： 第3A降壓穩(wěn)壓器
文件頁(yè)數(shù)： 4/12頁(yè)
文件大小： 313K
代理商： CM2576CN263
CM2576
3A S
TEP
D
OWN
V
OLTAGE
R
EGULATOR
2003/08/07
Preliminary
Rev. 1.1
Champion Microelectronic Corporation
Page 4
Note 1:
External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system
performance. Refer to Application Information for details.
Note 2:
The oscillator frequency reduces to approximately 11KHz in the event of fault conditions, such as output short or
overload. And the regulated output voltage will drop approximately 40% from the nominal output voltage. This self-protection
feature lowers the average power dissipation by lowering the minimum duty cycle from 5% down to approximately 2%.
Note 3:
For these parameters, FB is removed from V
OUT
and connected to +12V to force the output transistor OFF.
Note 4:
V
OUT
pin sourcing current. No diode, inductor or capacitor connect to V
OUT
.
Note 5:
FB is removed from V
OUT
and connected to 0V.
BLOCK DIAGRAM
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