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| 型号： | TLE6361G |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 425 kHz SWITCHING FREQ-MAX, PDSO36 |
| 封装： | POWER, PLASTIC, SO-36 |
| 文件页数： | 2/57页 |
| 文件大小： | 1986K |
| 代理商： | TLE6361G |
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TLE 6361 G
Data Sheet, Rev. 2.0
10
2005-03-01
section ) the output voltage level is present at the drain of the switch. As soon as the
voltage at the SW pin passes zero volts the handover to the main switch occurs and the
traditional switching behaviour of the Buck switch can be observed.
2.2
Linear Voltage Regulators
The Linear regulators offer voltage rails of 5V, 3.3V and 2.6V which can be determined
by a hardware connection (see table at 2.2.2) for proper power up procedure. Being
supplied by the output of the Buck pre-regulator the power loss within the three linear
regulators is minimized.
All voltage regulators are short circuit protected which means that each regulator
provides a maximum current according to its current limit when shorted. Together with
the external charge pump the NPN pass elements of the regulators allow low dropout
voltage operation. By using this structure the linear regulators work stable even with a
minimum of 470nF ceramic capacitors at their output.
Q_LDO1 has 5V nominal output voltage, Q_LDO2
has a hardware programmable
output voltage of 3.3V or 2.6V and Q_LDO3 is programmable to 5V or 3.3V (see 2.2.2).
All three regulators are on all the time, if one regulator is not needed a base load resistor
in parallel to the output capacitance for controlled power down is recommended.
2.2.1
Startup Sequence Linear Regulators
When acting as 32 bit C supply the so-called power sequencing (the dependency of the
different voltage reails to each other) is important. Within the TLE 6361 G the following
Startup-Sequence is defined (see also figure 4):
V
Q_LDO2 ≤ VQ_LDO1; VQ_LDO3 ≤ VQ_LDO1 with VQ_LDO1=5V, VQ_LDO2 = 2.6V and VQ_LDO3 = 3.3V
and
V
Q_LDO2 ≤ VQ_LDO1 with VQ_LDO1=5V, VQ_LDO2 = 2.6V/3.3V and VQ_LDO3 = 5V
The power sequencing refers to the regulator itself, externally voltages applied at
Q_LDO2 and Q_LDO3 are not pulled down actively by the device if Q_LDO1 is lower
than those outputs.
That means for the power down sequencing if different output capacitors and different
loads at the three outputs of the linear regulators are used the voltages at Q_LDO2 and
Q_LDO3 might be higher than at Q_LDO1 due to slower discharging. To avoid this
behaviour three Schottky diodes have to be connected between the three outputs of the
linear regulators in that way that the cathodes of the diodes are always connected to the
higher nominal rail.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLE6361G_05 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:Multi-Voltage Processor Power Supply |
| TLE6361GNUMA1 | 制造商:Infineon Technologies AG 功能描述:Multi Voltage Processor Power Supply 36-Pin DSO 制造商:Infineon Technologies AG 功能描述:DC/DC CONVERTER - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC REG BUCK ADJ 1.5A QUAD PDSO36 |
| TLE6363 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:Multifunctional Voltage Regulator and Watchdog |
| TLE6363_03 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:Multifunctional Voltage Regulator and Watchdog |
| TLE6363G | 功能描述:IC REG BUCK BST ADJ 0.2A PDSO14 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:3.3V 输入电压:4.5 V ~ 24 V PWM 型:- 频率 - 开关:- 电流 - 输出:125mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 包装:Digi-Reel® 供应商设备封装:SOT-6 其它名称:MAX1836EUT33#TG16DKR |
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