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參數(shù)資料
| 型號： | TC1264 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 800mA Fixed Output CMOS LDO |
| 中文描述： | 800mA的固定輸出CMOS低壓 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 448K |
| 代理商： | TC1264 |
2002 Microchip Technology Inc.
DS21375B-page 3
TC1264
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
3.0
DETAILED DESCRIPTION
The TC1264 is a precision, fixed output LDO. Unlike
bipolar regulators, the TC1264’s supply current does
not increase with load current. In addition, V
OUT
remains stable and within regulation over the entire
0mA to I
LOAD
MAX
load current range (an important
consideration in RTC and CMOS RAM battery back-up
applications).
Figure 3-1 shows a typical application circuit.
FIGURE 3-1:
TYPICAL APPLICATION
CIRCUIT
3.1
Output Capacitor
A 1
μ
F (min) capacitor from V
OUT
to ground is required.
The output capacitor should have an effective series
resistance greater than 0.1
and less than 5
. A 1
μ
F
capacitor should be connected from V
IN
to GND if there
is more than 10 inches of wire between the regulator
and the AC filter capacitor, or if a battery is used as the
power source. Aluminum electrolytic or tantalum
capacitor types can be used. (Since many aluminum
electrolytic capacitors freeze at approximately -30°C,
solid tantalums are recommended for applications
operating below -25°C.) When operating from sources
other
than
batteries,
supply-noise
transient response can be improved by increasing the
value of the input and output capacitors and employing
passive filtering techniques.
rejection
and
Pin No.
(3-Pin SOT-223)
(3-Pin TO-220)
(3-Pin DDPAK)
Symbol
Description
1
2
3
V
IN
GND
V
OUT
Unregulated supply input.
Ground terminal.
Regulated voltage output.
C1
1
μ
F
Battery
TC1264
V
IN
V
OUT
C2
1
μ
F
GND
V
OUT
+
+
+
–
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC1264_06 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:800 mA Fixed-Output CMOS LDO with Shutdown |
| TC1264-1.8VAB | 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(fù)載調(diào)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1264-1.8VDB | 功能描述:IC REG LDO 1.8V .8A SOT223-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式和可調(diào)式 輸出電壓:3.3V，1.25 V ~ 5.7 V 輸入電壓:4.5 V ~ 7 V 電壓 - 壓降（標(biāo)準(zhǔn)）:1.1V @ 1A 穩(wěn)壓器數(shù)量:2 電流 - 輸出:1A 電流 - 限制（最?。?1A 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-252-5，DPak（4 引線 + 接片），TO-252AD 供應(yīng)商設(shè)備封裝:PPAK 包裝:管件 其它名稱:497-3576-5 |
| TC1264-1.8VDBTR | 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(fù)載調(diào)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1264-1.8VEB | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:800 mA Fixed-Output CMOS LDO with Shutdown |
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