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| 型号： | TC126301ECT |
| 元件分类： | 稳压器 |
| 英文描述： | 0.4 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封装： | EIAJ, SC-74A, SOT-23A, 5 PIN |
| 文件页数： | 6/12页 |
| 文件大小： | 524K |
| 代理商： | TC126301ECT |
2007 Microchip Technology Inc.
DS21372D-page 3
TC125/TC126
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
TC125
Pin No.
(5-Pin SOT-23)
TC126
Pin No.
(5-Pin SOT-23)
Symbol
Description
1
—
SHDN
Shutdown input. A logic low on this input suspends device opera-
tion and supply current is reduced to less than 0.5
μA. The device
resumes normal operation when SHDN is again brought high.
—
1
SENSE
Voltage sense input. This input provides feedback voltage sensing
to the internal error amplifier. It must be connected to the output
voltage node, preferably the single point in the system where tight
voltage regulation is most beneficial.
2
—
PS
Power and voltage sense input. This dual function input provides
both feedback voltage sensing and internal chip power. It should
be connected to the regulator output. (See Figure 3-1).
—2
VDD
Power supply voltage input.
3
NC
Not connected.
4
GND
Ground terminal.
5
LX
Inductor switch output. LX is the drain of an internal N-channel
switching transistor. This terminal drives the external inductor,
which ultimately provides current to the load.
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相关代理商/技术参数 |
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| TC126301ECTTR | 功能描述:开关变换器、稳压器与控制器 PFM Step-up DC/DC 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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| TC1263-2.5VAT | 功能描述:低压差稳压器 - LDO 500mA Fixed Out Adj 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 |
| TC1263-2.5VET | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:500 mA, Fixed-Output, CMOS LDO with Shutdown |
| TC1263-2.5VETTR | 功能描述:低压差稳压器 - LDO 500mA Fixed Out Adj 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 |
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