參數(shù)資料
型號(hào)： TK11237BUIB
廠商： TOKO INC
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： VOLTAGE REGULATOR WITH ON/OFF SWITCH
中文描述： 3.7 V FIXED POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO5
封裝： SOT-89, 5 PIN
文件頁(yè)數(shù)： 18/24頁(yè)
文件大?。?/td> 157K
代理商： TK11237BUIB
Page 18
October 1999 TOKO, Inc.
TK112xxB
1000
100
1 0
1
0.1
0.01
1
5 0
100
150
IOUT (mA)
STABLE
OPERATION
AREA
E
1000
100
10
1
0.1
0 .01
1
50
100
150
IOUT (mA)
E
OSAREA
1000
100
1 0
1
0.1
0.01
1
5 0
100
150
IOUT (mA)
STABLE
OPERATION
AREA
E
)
1000
100
10
1
0.1
0.01
1
50
100
150
IOUT (mA)
OSAREA
E
)
APPLICATION INFORMATION
In general, the capacitor should be at least 1
μ
F (aluminum electrolytic) and be rated for the actual ambient operating
temperature range. The table below shows typical characteristics for several types and values of capacitance. Please
note that the ESR varies widely depending upon manufacturer, type, size, and material.
C
L
= 1
μ
F
C
L
= 2.2
μ
F
C
L
= 3.3
μ
F
C
L
= 10
μ
F
Note: ESR is measured at 10 kHz.
INPUT-OUTPUT CAPACITORS
Linear regulators require an output capacitor in order to maintain regulator loop stability. This capacitor should be selected
to ensure stable operation over the desired temperature and load range. The graphs below show the effects of
capacitance value and ESR on the stable operation area.
2.0 V
3.0 V
5.0 V
112xxB
CL
ESR
V
OUT
=
ESR
Capacitance
Aluminum
Capacitor
Tantalum
Capacitor
Ceramic
Capacitor
1.0 μF
2.4
2.3
0.140
2.2 μF
2.0
1.9
0.059
3.3 μF
4.6
1.0
0.049
10 μF
1.4
0.5
0.025
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TK11237BUIL 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:VOLTAGE REGULATOR WITH ON/OFF SWITCH
TK11238A 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:VOLTAGE REGULATOR WITH ON/OFF SWITCH
TK11238AMBX 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:VOLTAGE REGULATOR WITH ON/OFF SWITCH
TK11238AMTB 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:VOLTAGE REGULATOR WITH ON/OFF SWITCH
TK11238AMTL 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:VOLTAGE REGULATOR WITH ON/OFF SWITCH
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