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參數(shù)資料
| 型號： | CM2596GSJCN220 |
| 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 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 482K |
| 代理商： | CM2596GSJCN220 |
CM2596
3A S
TEP
D
OWN
V
OLTAGE
R
EGULATOR
2005/03/04 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
4
FB
Thermal Shutdown
&
Current Limit
3
GND
150KHz
Oscillator
Reset
Requlator
With
Enable
5
ENABLE
1
Vin
2
Vout
Error Amplifier
-
+
.
R2*
R1*
Comparator
+
-
.
.
.
.
.
.
R1.23V
.
.
Driver
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