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参数资料
| 型号： | TK740SIL-2727 |
| 厂商： | TOKO INC |
| 元件分类： | 固定正电压多路输出LDO稳压器 |
| 英文描述： | DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO8 |
| 封装： | SOT-23, 8 PIN |
| 文件页数： | 5/29页 |
| 文件大小： | 584K |
| 代理商： | TK740SIL-2727 |
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January 22, 2002 TOKO, Inc.
Page 13
TK740xxL
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
Ripple Rejection (Tk74030M)
Conditions:
V
IN = 4.0 V
V
RIPPLE = 500 mVp-p
C
IN = 0 mF
I
OUT = 10 mA
C
OUT = 1.0 mF (MLCC)
C
FB = 4700 pF
The Ripple Rejection characteristic improves by enlarging the capacitor on the output side. The characteristic of
the high frequency area is decided by the characteristic of the output side capacitor.
With C
FB
CL = 1.0
F(MLCC)
CFB =0
CFB = 4700 pF
0.1
1
10
100
1000
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
R
(d
B
)
FREQUENCY(kHz)
CL = 0.1
F
(MLCC)
CL = 1.0
F
(MLCC)
0.1
1
10
100
1000
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
RR(d
B
)
FREQUENCY(kHz)
CL = 0.1
F
(MLCC)
CL = 1.0
F
(Tantalum)
0.1
1
10
100
1000
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
RR(d
B
)
FREQUENCY(kHz)
CFB
4700 pF
CL
VIN
VOUT
VCONT
GND
740xx
GND
200 mVp-p
Input Wave Form
VIN
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