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參數資料
| 型號： | TC2117-3.3DBTR |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 800 mA Fixed Low Dropout Positive Regulator |
| 中文描述： | 800毫安固定低壓差穩壓器正 |
| 文件頁數： | 1/18頁 |
| 文件大小： | 751K |
| 代理商： | TC2117-3.3DBTR |
2006 Microchip Technology Inc.
DS21665C-page 1
TC2117
Features
Fixed Output Voltages: 1.8V, 2.5V, 3.0V, 3.3V
Very Low Dropout Voltage
Rated 800 mA Output Current
High Output Voltage Accuracy
Standard or Custom Output Voltages
Overcurrent and Overtemperature Protection
Space Saving SOT-223 Package
Applications
5V to 3.3V Linear Regulator
Portable Computers
Instrumentation
Battery Operated Systems
Linear Post-Regulator for SMPS
Core Voltage Supply for FPGAs, PLDs, CPUs,
DSPs
Typical Application
General Description
The TC2117 is a fixed, high accuracy (typically ±0.5%)
CMOS low dropout regulator. Designed specifically for
battery operated systems, the TC2117’s CMOS
construction eliminates wasted ground current,
significantly extending battery life. Total supply current
is typically 80 μA at full load (20 to 60 times lower than
in bipolar regulators
).
TC2117 key features include ultra low noise, very low
dropout voltage (typically 450 mV at full load), and fast
response to step changes in load. The TC2117
incorporates both overtemperature and overcurrent
protection. The TC2117 is stable with an output
capacitor of only 1μF and has a maximum output
current of 800 mA. This device is available in 3-Pin
SOT-223, and 3-Pin DDPAK packages.
Package Types
C
1
1μF
Battery
TC2117
V
IN
V
OUT
C
2
1μF
GND
V
OUT
V
IN
V
I
V
OUT
GND
G
V
O
T
O
Front View
Front View
1
1
2
3
3
2
Tab is V
OUT
3-Pin SOT-223
3-Pin DDPAK
TC2117
TC2117
800 mA Fixed Low Dropout Positive Regulator
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