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參數(shù)資料
| 型號(hào)： | TC1174 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 300mA CMOS LDO with Shutdown and VREF Bypass |
| 中文描述： | 300mA的CMOS LDO穩(wěn)壓器具有關(guān)斷和VREF繞道 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 444K |
| 代理商： | TC1174 |
2002 Microchip Technology Inc.
DS21363B-page 1
TC1174
Features
Extremely Low Supply Current (50
μ
A, Typ.)
Very Low Dropout Voltage
300mA Output Current
Adjustable Output Voltages
Power Saving Shutdown Mode
Bypass Input for Ultra Quiet Operation
Over Current and Over Temperature Protection
Space-Saving MSOP Package Option
Applications
Battery Operated Systems
Portable Computers
Medical Instruments
Instrumentation
Cellular/GSM/PHS Phones
Linear Post-Regulators for SMPS
Pagers
Device Selection Table
Package Type
General Description
The TC1174 is an adjustable output CMOS low dropout
regulator. Total supply current is typically 50
μ
A at full
load (20 to 60 times lower than in bipolar regulators).
TC1174 key features include ultra low noise operation
(plus optional Bypass input); very low dropout voltage
(typically 270mV at full load) and internal feed-forward
compensation for fast response to step changes in
load. Supply current is reduced to 0.05
μ
A (typical) and
V
OUT
falls to zero when the shutdown input is low.
The TC1174 incorporates both over temperature and
over current protection. The TC1174 is stable with an
output capacitor of only 1
μ
F and has a maximum
output current of 300mA.
Typical Application
Part Number
Output
Voltage
(V)
Package
Junction
Temp. Range
TC1174VOA
TC1174VUA
Adjustable
Adjustable 8-Pin MSOP -40°C to +125°C
8-Pin SOIC
-40°C to +125°C
8-Pin SOIC
1
2
3
4
V
IN
5
6
7
8
NC
SHDN
V
OUT
GND
NC
ADJ
8-Pin MSOP
1
2
3
4
V
IN
NC
SHDN
Bypass
5
6
7
8
V
OUT
GND
NC
ADJ
TC1174VOA
TC1174VUA
Bypass
TC1174
1
2
3
4
5
6
7
8
V
OUT
V
OUT
C
470pF
(Optional)
Shutdown
Control
(from Power
Control Logic)
GND
NC
ADJ
V
IN
V
IN
NC
NC
Bypass
SHDN
R1
470K
470K
R2
C1
1
μ
F
V
OUT
= V
REF
x
[
—
+ 1
]
R1
R2
+
300mA CMOS LDO with Shutdown and V
REF
Bypass
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC1174_13 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:300mA CMOS LDO with Shutdown and VREF Bypass |
| TC1174VOA | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA Adj LDO w/Shdn 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(dòng)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 |
| TC1174VOATR | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA Adj LDO w/Shdn 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(dòng)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 |
| TC1174VUA | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA Adj LDO w/Shdn 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(dòng)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 |
| TC1174VUATR | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA Adj LDO w/Shdn 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(dòng)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 |
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