參數(shù)資料
型號: UC1856J
英文描述: Line driver for digital car radio signal processor (DSPLD)
中文描述: 電流模式開關電源控制器
文件頁數(shù): 6/13頁
文件大?。?/td> 265K
代理商: UC1856J
SLUS212E NOVEMBER 1999 REVISED FEBRUARY 2004
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Figure 5
POWER SUPPLY REJECTION RATIO (VB INPUT)
vs.
FREQUENCY
P
10 M
1 M
100 k
10 k
1 k
100
0
10
20
30
40
50
60
f Frequency Hz
UDG-00085
4
5
1
2
3
ADJ
VOUT
VB
VIN
GND
4.7
μ
F
Tantalum
1
μ
F
Ceramic
100
μ
F
Tantalum
121
R1
UC385ADJ
Pulse
Generator
VO= 1.2 V
IRF
520
+
+
5 V
3.3 V
_
+
_
+
Figure 6. Transient Test Circuit
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