參數(shù)資料
型號(hào)： R1154N061B-TR-FE
廠商： RICOH COMPANY LTD
元件分類： 固定正電壓?jiǎn)温份敵鰳?biāo)準(zhǔn)穩(wěn)壓器
英文描述： 6.1 V FIXED POSITIVE REGULATOR, PDSO5
封裝： HALOGEN FREE AND ROHS COMPLIANT, SOT-23, 5 PIN
文件頁(yè)數(shù)： 10/19頁(yè)
文件大小： 246K
代理商： R1154N061B-TR-FE
R1154x
18
The Output Voltage of Regulator in R1154xxxxC may be adjustable for any output voltage between its
2.5V reference and its VDD setting level. An external pair of resistors is required, as shown in Figure 1.
The complete equation for the output voltage is described step by step as follows;
I1
=IIC+I2 .....................................................................................................................................(1)
I2
=2.5/R2...................................................................................................................................(2)
Thus,
I1
=IIC+2.5/R2..............................................................................................................................(3)
Therefore,
VOUT
=2.5+R1×I1.........................................................................................................................(4)
Put Equation (3) into Equation (4),then
VOUT
=2.5+R1(IIC+2.5/R2)
=2.5(1+R1/R2)+R1×IIC ........................................................................................................(5)
In 2nd term, or R1
×IIC will produce an error in VOUT.
In Equation (5),
IIC
=2.5/RIC ..................................................................................................................................(6)
R1
×IIC=R1×2.5/RIC
=2.5×R1/RIC ....................................................................................................................(7)
For better accuracy, choosing R1 (<<RIC) reduces this error.
Adjustable Resister Dependence of Output Voltage (Topt
=25°C)
0.0
24.0
16.0
8.0
2.0
4.0
22.0
12.0
18.0
20.0
10.0
6.0
14.0
020
60
80
40
100
R1Resistance (k
Ω)
Output
Voltage
V
OUT
(V)
R2=10k
Ω
0.0
24.0
16.0
8.0
2.0
4.0
22.0
12.0
18.0
20.0
10.0
6.0
14.0
0
200
600
800
400
1000
R1 Resistance (k
Ω)
Output
Voltage
V
OUT
(V)
R2=100k
Ω
相關(guān)PDF資料
PDF描述
R1154N062B-TR-FE 6.2 V FIXED POSITIVE REGULATOR, PDSO5
R1154N064B-TR-FE 6.4 V FIXED POSITIVE REGULATOR, PDSO5
R1154N065B-TR-FE 6.5 V FIXED POSITIVE REGULATOR, PDSO5
R1154N066B-TR-FE 6.6 V FIXED POSITIVE REGULATOR, PDSO5
R1154N067B-TR-FE 6.7 V FIXED POSITIVE REGULATOR, PDSO5
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
R1154N062B 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:150mA Voltage Regulator (Wide Input Voltage Range)
R1154N063B 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:150mA Voltage Regulator (Wide Input Voltage Range)
R1154N064B 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:150mA Voltage Regulator (Wide Input Voltage Range)
R1154N065B 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:150mA Voltage Regulator (Wide Input Voltage Range)
R1154N066B 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:150mA Voltage Regulator (Wide Input Voltage Range)
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