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: 7/29页
文件大小: 584K
代理商: TK740SIL-2626
January 22, 2002 TOKO, Inc.
Page 15
TK740xxL
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
OUTPUT NOISE
The noise in the low current region decreases when a tantalum capacitor is used. As for the output side capacitor, a tantalum
capacitor of 0.1
mF is recommended. The characteristic of the capacitor greatly influences the amount of the noise.
NOISE
(
V
RMS
)
IOUT(mA)
0
50
100
150
200
250
150
NOISE DENSITY vs. IOUT
(TK74030M)
0
300
400
350
200
100
50
ch A 1.0
F (MLCC)
ch B 1.0
F (MLCC)
ch A 1.0
F (Tantalum)
ch B 1.0
F (Tantalum)
Conditions
VIN = 4.0 V
CIN = 0.1 F (Tanalum)
CFB = 4700 pF (Ceramic)
NOISE
(
V
RMS
)
CL(
F)
0.1
1
10
250
150
NOISE DENSITY vs. CL
(TK74030M)
0
300
400
350
200
100
50
Conditions
VIN=4.0V
CIN=0.1F (Tanalum)
IOUT=200mA(ch A)
IOUT=100mA(ch B)
ch A CFB=0
ch B CFB=472
ch A CFB=0
ch B CFB=472
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