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參數(shù)資料
| 型號： | TC1173-2.8VOA |
| 廠商： | TelCom Semiconductor, Inc. |
| 英文描述： | 300mA CMOS LDO with Shutdown, ERROR Output and Bypass |
| 中文描述： | 300mA的CMOS LDO穩(wěn)壓器，帶有關(guān)斷，錯誤輸出和旁路 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 54K |
| 代理商： | TC1173-2.8VOA |
TC1173
TC1173-2 2/2/00 TelCom Semiconductor reserves the right to make changes in the circuitry and specifications of its devices.
GENERAL DESCRIPTION
The TC1173 is a precision output (typically
±
0.5%)
CMOS low dropout regulator. Total supply current is typi-
cally 50
μ
A at full load
(20 to 60 times lower than in bipolar
regulators
!).
TC1173 key features include ultra low noise operation
(plus optional Bypass input); very low dropout voltage
(typically 240mV at full load) and internal feed-forward
compensation for fast response to step changes in load. An
error output (ERROR) is asserted when the TC1173 is out-
of-regulation (due to a low input voltage or excessive output
current). ERROR can be set as a low battery warning or as
a processor RESET signal (with the addition of an external
RC network). Supply current is reduced to 0.05
μ
A (typical)
and V
OUT
and ERROR fall to zero when the shutdown input
is low.
The TC1173 incorporates both over-temperature and
over-current protection. The TC1173 is stable with an output
capacitor of only 1
μ
F and has a maximum output current of
300mA.
ORDERING INFORMATION
Part
Number
Package
300mA CMOS LDO with Shutdown, ERROR Output and Bypass
FEATURES
I
Extremely Low Supply Current for Longer Battery
Life!
Very Low Dropout Voltage
Guaranteed 300mA Output
Standard or Custom Output Voltages
ERROR Output Can be Used as a Low Battery
Detector or Processor Reset Generator
Power-Saving Shutdown Mode
Bypass Input for Ultra-Quiet Operation
Over-Current and Over-Temperature Protection
Space-Saving MSOP Package Option
I
I
I
I
I
I
I
I
APPLICATIONS
I
I
I
I
I
I
I
Battery-Operated Systems
Portable Computers
Medical Instruments
Instrumentation
Cellular / GSM / PHS Phones
Linear Post-Regulator for SMPS
Pagers
PIN CONFIGURATION
1
2
3
4
V
IN
NC
5
6
7
8
ERROR
V
OUT
GND
NC
Bypass
SHDN
1
2
3
4
V
IN
NC
SHDN
5
6
7
8
ERROR
V
OUT
GND
NC
Bypass
TC1173VUA
TC1173VOA
MSOP
SOIC
Junction
Temp. Range
– 40
°
C to +125
°
C
– 40
°
C to +125
°
C
TC1173-xxVOA
TC1173-xxVUA
8-Pin SOIC
8-Pin MSOP
Available Output Voltages:
2.5, 2.8, 3.0, 3.3, 5.0
xx indicates output voltages
Other output voltages are available. Please contact TelCom
Semiconductor for details.
TYPICAL APPLICATION
TC1173
1
2
3
4
5
6
7
8
V
OUT
Shutdown Control
(from Power Control Logic)
C1
1
μ
F
GND
NC
V
IN
NC
SHDN
Bypass
C
470pF
(Optional)
ERROR
R3
1M
V
IN
ERROR
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC1173-3.0VOA | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(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 |
| TC1173-3.0VOATR | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(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 |
| TC1173-3.0VUA | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(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 |
| TC1173-3.0VUATR | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(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 |
| TC1173-3.3VOA | 功能描述:低壓差穩(wěn)壓器 - LDO 300mA 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(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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