- 您现在的位置：买卖IC网 > PDF目录69520 > TPS63000DRCT (TEXAS INSTRUMENTS INC) 2 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO10 PDF资料下载
参数资料
| 型号： | TPS63000DRCT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 2 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3 X 3 MM, GREEN, PLASTIC, SON-10 |
| 文件页数： | 7/24页 |
| 文件大小： | 645K |
| 代理商： | TPS63000DRCT |
L
1 +
V
OUT
V
IN1 * VOUT
V
IN1
f
0.3 A
(3)
L
2 +
V
in2
V
OUT * VIN2
V
OUT
f
0.3 A
(4)
I
1 +
I
OUT
0.8 )
V
OUT VIN1 * VOUT
2
V
IN1
f
L
(5)
I
2 +
V
OUT
I
OUT
0.8
V
IN2
)
V
IN2
V
OUT * VIN2
2
V
OUT
f
L
(6)
CAPACITOR SELECTION
Input Capacitor
Output Capacitor
www.ti.com........................................................................................................................................................... SLVS520B – MARCH 2006 – REVISED JULY 2008
In both equations f is the minimum switching frequency. In Equation 3 the minimum inductance value, L1 for step
down mode operation is calculated. VIN1 is the maximum input voltage. In Equation 4 the minimum inductance,
L2, for boost mode operation is calculated. VIN2 is the minimum input voltage. The recommended minimum
inductor value is either L1 or L2 whichever is higher. As an example, a suitable inductor for generating 3.3V from
a Li-Ion battery with a battery voltage range from 2.5V up to 4.2V is 2.2
H. The recommended inductor value
range is between 1.5
H and 4.7 H. In general, this means that at high voltage conversion rates, higher inductor
values offer better performance.
With the chosen inductance value, the peak current for the inductor in steady state operation can be calculated.
Equation 5 shows how to calculate the peak current I1 in step down mode operation and Equation 6 shows how
to calculate the peak current I2 in boost mode operation.
The critical current value for selecting the right inductor is the higher value of I1 and I2. It also needs to be taken
into account that load transients and error conditions may cause higher inductor currents. This also needs to be
taken into account when selecting an appropriate inductor. The following inductor series from different suppliers
have been used with TPS6300x converters:
Table 1. List of Inductors
VENDOR
INDUCTOR SERIES
LPS3015
Coilcraft
LPS4012
Murata
LQH3NP
Tajo Yuden
NR3015
VLF3215
TDK
VLF4012
At least a 4.7
F input capacitor is recommended to improve transient behavior of the regulator and EMI
behavior of the total power supply circuit. A ceramic capacitor placed as close as possible to the VIN and PGND
pins of the IC is recommended.
For the output capacitor, it is recommended to use small ceramic capacitors placed as close as possible to the
VOUT and PGND pins of the IC. If, for any reason, the application requires the use of large capacitors which can
not be placed close to the IC, using a smaller ceramic capacitor in parallel to the large one is recommended.
This small capacitor should be placed as close as possible to the VOUT and PGND pins of the IC.
To get an estimate of the recommended minimum output capacitance, Equation 7 can be used.
Copyright 2006–2008, Texas Instruments Incorporated
15
Product Folder Link(s): TPS63000 TPS63001 TPS63002
相关PDF资料 |
PDF描述 |
|---|---|
| TPS63000DRCTG4 | 2 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS63002DRCR | 2 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS63000DRCRG4 | 2 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS63001DRCR | 2 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS63012YFFR | 2.4 A SWITCHING REGULATOR, 2600 kHz SWITCHING FREQ-MAX, BGA20 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS63000DRCTG4 | 功能描述:直流/直流开关调节器 96% Buck Boost Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS63000EVM-148 | 功能描述:电源管理IC开发工具 TPS63000-148 Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| TPS63000IDRCRQ1 | 功能描述:直流/直流开关调节器 Auto Cat 96% Buck- Boost Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS63001DRCR | 功能描述:直流/直流开关调节器 96% Buck-Boost Conv RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS63001DRCRG4 | 功能描述:直流/直流开关调节器 96% Buck-Boost Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
发布紧急采购，3分钟左右您将得到回复。