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參數資料
| 型號： | TC1268 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 500mA Fixed Output, Fast Response CMOS LDO with Shutdown |
| 中文描述： | 500mA的固定輸出，快速響應的CMOS LDO穩壓器，帶有關斷 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 448K |
| 代理商： | TC1268 |
2002 Microchip Technology Inc.
DS21379B-page 1
TC1268
Features
Very Low Dropout Voltage
500mA Output Current
High Output Voltage Accuracy
Standard or Custom Output Voltages
Over Current and Over Temperature Protection
SHDN Input for Active Power Management
ERROR Output to Detect Low Battery
5
μ
sec (typical) Wake-up Time from SHDN
Applications
RAMBUS Memory Module
Battery-Operated Systems
Portable Computers
Medical Instruments
Instrumentation
Cellular/GSM/PHS Phones
Linear Post-Regulator for SMPS
Pagers
Digital Cameras
Device Selection Table
*Other output voltages and package options are available.
Please contact Microchip Technology Inc. for details.
Package Type
General Description
The TC1268 is a fixed output, fast turn-on, high
accuracy
(typically
±0.5%)
regulator. Designed specifically for battery-operated
systems, the TC1268’s CMOS construction eliminates
wasted ground current, significantly extending battery
life. Total supply current is typically 80
μ
A at full load (20
to 60 times lower than in bipolar regulators).
CMOS
low
dropout
TC1268’s key features include ultra low noise, very low
dropout voltage (typically 350mV at full load), and
fast response to step changes in load. The TC1268
also has a fast wake-up response time (5
μ
sec typically)
when
released
from
shutdown.
incorporates both over temperature and over current
protection. The TC1268 is stable with an output
capacitor of only 1
μ
F and has a maximum output
current of 500mA.
The
TC1268
Typical Application
Part Number
Output*
Voltage
(V)
Package
Junction
Temp. Range
TC1268-2.5VOA
2.5
8-Pin SOIC -40°C to +125°C
1
2
3
4
8
7
6
5
TC1268
NC
SHDN
8-Pin SOIC
GND
NC
BYPASS
V
OUT
V
IN
ERROR
TC1268
V
IN
V
OUT
C
OUT
1
μ
F
GND
V
OUT
V
IN
SHDN
SHDN
+
500mA Fixed Output, Fast Response CMOS LDO with Shutdown
相關PDF資料 |
PDF描述 |
|---|---|
| TC1268-2.5VOA | 500mA Fixed Output, Fast Response CMOS LDO with Shutdown |
| TC1269 | 300mA CMOS LDO with Shutdown and VREF Bypass |
| TC1269-25VUA | 300mA CMOS LDO with Shutdown and VREF Bypass |
| TC1269-30VUA | 300mA CMOS LDO with Shutdown and VREF Bypass |
| TC1269-50VUA | 300mA CMOS LDO with Shutdown and VREF Bypass |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TC1268-2.5VOA | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:500mA Fixed Output, Fast Response CMOS LDO with Shutdown |
| TC1268-2.5VOATR | 功能描述:低壓差穩壓器 - LDO 500mA 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:0.3 % 輸出端數量: 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 |
| TC1269 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:300mA CMOS LDO with Shutdown and VREF Bypass |
| TC1269_13 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:300mA CMOS LDO with Shutdown and VREF Bypass |
| TC1269-2.5VUA | 功能描述:低壓差穩壓器 - 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 負載調節:0.3 % 輸出端數量: 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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