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参数资料
| 型号： | TPS61003DGST |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.3 A SWITCHING REGULATOR, 840 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | PLASTIC, MSOP-10 |
| 文件页数： | 10/27页 |
| 文件大小： | 648K |
| 代理商： | TPS61003DGST |
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TPS61000, TPS61001, TPS61002, TPS61003, TPS61004, TPS61005, TPS61006, TPS61007
SINGLE- AND DUAL-CELL BOOST CONVERTER WITH START-UP INTO FULL LOAD
SLVS279C – MARCH 2000 – REVISED APRIL 2003
18
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Resistor RC and capacitor CC2 depend on the chosen inductance. For a 33-H inductor, the capacitance of CC2
should be chosen to 33 nF, or in other words, if the inductor is xx
H, the chosen compensation capacitor should
be xx nF, the same number value. The value of the compensation resistor is then chosen based on the require-
ment to have a time constant of 0.3 ms for the R/C network of RC and CC2; hence for a 33-nF capacitor, a 10-k
resistor should be chosen for RC.
Capacitor CC1 is depending on the ESR and capacitance value of the output capacitor, and on the value chosen
for RC. Its value is calculated using following equation:
C
C1 +
C
O
x ESR
COUT
3
R
C
(7)
For a selected output capacitor of 22
F with an ESR of 0.2 , and RC of 33 k, the value of CC1 is in the range of
100 pF.
Table 3. Recommended Compensation Components
INDUCTOR
OUTPUT CAPACITOR
R
C
INDUCTOR
[H]
CAPACITANCE
[F]
ESR
[
]
RC
[k
]
CC1
[pF]
CC2
[nF]
33
22
0.2
10
100
33
22
0.3
15
100
22
10
22
0.4
33
100
10
0.1
33
100
10
schematic of TPS6100x evaluation modules (TPS6100xEVM–156)
LBO
LBI
NC/FBGND
SW
VBAT
EN
COMP
FB
GND
VOUT
R6
LP1
D1
L1
C1
C3
R2
R1
IN
J1
C6
R5
C5
R3
C2
R4
OUT
TPS6100x
Evaluation modules are available for device types TPS61000, TPS61002, TPS61003, and TPS61006.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS61003EVM-156 | 功能描述:电源管理IC开发工具 Low Input Vltg Boost Conv 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 |
| TPS61004 | 制造商:TI 制造商全称:Texas Instruments 功能描述:SINGLE-CELL BOOST CONVERTER WITH START-UP INTO FULL LOAD |
| TPS61004DGS | 功能描述:直流/直流开关调节器 2.8V 100mA Boost 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 |
| TPS61004DGSG4 | 功能描述:直流/直流开关调节器 Lo-In Voltage 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 |
| TPS61004DGSR | 功能描述:开关变换器、稳压器与控制器 Lo-In Voltage Boost Converter RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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