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参数资料
| 型号： | TK740SIL-2626 |
| 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： | 6/29页 |
| 文件大小： | 584K |
| 代理商： | TK740SIL-2626 |
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Page 14
January 22, 2002 TOKO, Inc.
TK740xxL
Without C
FB
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
Ripple Rejection When I/O Voltage difference is few
When the difference between the input voltage and the output voltage decreases, the Ripple Rejection characteristic is
different in Side A and Side B. The characteristic on the A side (where the power transistor is large) improves.
dB
VIN = VOUT
+0.2 V
+0.4 V
+0.6 V
-40
-60
-80
RIPPLE REJECTION vs. VIN
(SIDE A)
-100
-20
0
-10
-30
-50
-70
-90
10 KHz, 100 mA
1 KHz, 100 mA
10 KHz, 10 mA
1 KHz, 10 mA
CL = 0.22
F
CFB = 4700 pF
dB
VIN = VOUT
+0.2 V
+0.4 V
+0.6 V
-40
-60
-80
RIPPLE REJECTION vs. VIN
(SIDE B)
-100
-20
0
-10
-30
-50
-70
-90
10 KHz, 100 mA
1 KHz, 100 mA
10 KHz, 10 mA
1 KHz, 10 mA
CL = 0.22
F
CFB = 4700 pF
dB
VIN = VOUT
+0.2 V
+0.4 V
+0.6 V
-40
-60
-80
RIPPLE REJECTION vs. VIN
(SIDE A)
-100
-20
0
-10
-30
-50
-70
-90
10 KHz, 100 mA
1 KHz, 100 mA
10 KHz, 10 mA
1 KHz, 10 mA
CL = 0.22
F
CFB = None
dB
VIN = VOUT
+0.2 V
+0.4 V
+0.6 V
-40
-60
-80
RIPPLE REJECTION vs. VIN
(SIDE B)
-100
-20
0
-10
-30
-50
-70
-90
10 KHz, 100 mA
1 KHz, 100 mA
10 KHz, 10 mA
1 KHz, 10 mA
CL = 0.22
F
CFB = None
CFB
0 pF
CL
VIN
VOUT
VCONT
GND
740xx
GND
200 mVp-p
Input Wave Form
VIN
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