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參數(shù)資料
| 型號： | TC126503ECT |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | PFM Step-Up DC/DC Regulators |
| 中文描述： | PFM步升直流/直流穩(wěn)壓器 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 459K |
| 代理商： | TC126503ECT |
2002 Microchip Technology Inc.
DS21372B-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-23A)
TC126
Pin No.
(5-Pin SOT-23A)
Symbol
Description
1
—
SHDN
Shutdown input. A logic low on this input suspends device operation and
supply current is reduced to less than 0.5
μ
A. The device resumes normal
operation when SHDN is again brought high.
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.
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).
Power supply voltage input.
Not connected.
Ground terminal.
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.
—
1
SENSE
2
—
PS
—
3
4
5
2
3
4
5
V
DD
NC
GND
LX
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| TC1265-1.8VAT | 功能描述:低壓差穩(wěn)壓器 - LDO 800mA Fixed Output RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1265-1.8VET | 功能描述:低壓差穩(wěn)壓器 - LDO 800mA Fixed Output CMOS LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1265-1.8VETTR | 功能描述:低壓差穩(wěn)壓器 - LDO 800mA Fixed Output RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1265-1.8VOA | 功能描述:低壓差穩(wěn)壓器 - LDO 800mA Fixed Output RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1265-1.8VOATR | 功能描述:低壓差穩(wěn)壓器 - LDO 800mA Fixed Output RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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