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参数资料
| 型号： | TLE4254EJS |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | GREEN, PLASTIC, MS-012BA, SOP-8 |
| 文件页数： | 9/21页 |
| 文件大小： | 451K |
| 代理商： | TLE4254EJS |
Data Sheet
17
Rev. 1.2, 2009-11-18
TLE4254
Application Information
Figure 7
Application circuit: Output voltage
V
Q higher than reference voltage VREF (version GA / EJ A
only)
For output voltages higher than the reference voltage, the voltage divider has to be applied between the feedback
and the output according to Application circuit: Output voltage VQ higher than reference voltage VREF
(version GA / EJ A only). The equation for the output voltage with respect to the reference voltage is given by:
Keep in mind that the input voltage has to be at minimum equal to the output voltage plus the dropout voltage of
the regulator.
With a given reference voltage
V
REF, the desired output voltage VQ and the resistor value R1FB, the resistor value
for
R2
FB is given by:
4
ADJ
IFB
Q
EN/
GND
TLE4254GA
TLE4254EJ A
8
2, 3, 6, 7
5
1
VDD
I/O
IQ
GND
VBAT
VQ > VREF
VREF
R1FB
R2FB
micro controller
e.g.
C167,
XC16X
TC17xx
Main C supply
e.g.
TLE4271-2
TLE4471
TLE6368...
VQ
VREF
R1FB R2FB
+
R2FB
---------------------------------
=
R2FB
R1FB
VREF
VQ VREF
–
---------------------------
=
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLE4254EJSXUMA1 | 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Tape and Reel |
| TLE4254GA | 功能描述:低压差稳压器 - LDO LDO Lin Adj Neg/Pos -5V to 45V 0.07A RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TLE4254GAXUMA1 | 制造商:Infineon Technologies AG 功能描述:LDO Regulator Neg/Pos -5V to 45V 0.07A 8-Pin DSO 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Tape and Reel 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Cut TR (SOS) 制造商:Infineon Technologies AG 功能描述:IC REG LDO ADJ 70MA DSO8 制造商:Infineon Technologies AG 功能描述:IC LOW DROP VOLTAGE TRACKER DSO8 |
| TLE4254GS | 功能描述:低压差稳压器 - LDO LDO Lin Adj Neg/Pos -5V to 45V 0.07A RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TLE4254GSXUMA1 | 制造商:Infineon Technologies AG 功能描述:LDO Regulator Neg/Pos -5V to 45V 0.07A 8-Pin DSO 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC REG LDO ADJ 70MA DSO8 制造商:Infineon Technologies AG 功能描述:IC LOW DROP VOLTAGE TRACKER DSO8 |
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