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參數資料
| 型號： | MCP1802 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 300 mA, High PSRR, Low Quiescent Current LDO |
| 中文描述： | 300毫安，高PSRR，低靜態電流低壓降穩壓器 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 292K |
| 代理商： | MCP1802 |
2007 Microchip Technology Inc.
DS22053A-page 1
MCP1802
Features
300 mA Maximum Output Current
Low Drop Out Voltage, 200 mV typical @ 100 mA
25 μA Typical Quiescent Current
0.01 μA Typical Shutdown Current
Input Operating Voltage Range: 2.0V to10.0V
Standard Output Voltage Options:
- (0.9V, 1.8V, 2.5V, 3.0V, 3.3V, 5.0V, 6.0V)
Output voltage accuracy:
- ±2% (V
R
> 1.5V), ±30 mV (V
R
≤
1.5V)
Stable with Ceramic output capacitors
Current Limit Protection
Shutdown pin
High PSRR: 70 dB typical @ 10 kHz
Applications
Battery-powered Devices
Battery-powered Alarm Circuits
Smoke Detectors
CO
2
Detectors
Pagers and Cellular Phones
Wireless Communications Equipment
Smart Battery Packs
Low Quiescent Current Voltage Reference
PDAs
Digital Cameras
Microcontroller Power
Solar-Powered Instruments
Consumer Products
Battery Powered Data Loggers
Related Literature
AN765, “Using Microchip’s Micropower LDOs”,
DS00765, Microchip Technology Inc., 2002
AN766, “Pin-Compatible CMOS Upgrades to
BiPolar LDOs”, DS00766,
Microchip Technology Inc., 2002
AN792, “A Method to Determine How Much
Power a SOT23 Can Dissipate in an Application”,
DS00792, Microchip Technology Inc., 2001
Description
The MCP1802 is a family of CMOS low dropout (LDO)
voltage regulators that can deliver up to 300 mA of
current while consuming only 25 μA of quiescent
current (typical). The input operating range is specified
from 2.0V to 10.0V, making it an ideal choice for two to
six primary cell battery-powered applications, 9V alka-
line and one or two cell Li-Ion-powered applications.
The MCP1802 is capable of delivering 100 mA with
only 200 mV (typical) of input to output voltage differen-
tial (V
OUT
= 3.0V). The output voltage tolerance of the
MCP1802 at +25°C is typically ±0.4% with a maximum
of ±2%. Line regulation is ±0.01% typical at +25°C.
The LDO output is stable with a minimum of 1 μF of out-
put capacitance. Ceramic, tantalum or aluminum elec-
trolytic capacitors can all be used for input and output.
Overcurrent limit with current foldback provides short-
circuit protection. A shutdown (SHDN) function allows
the output to be enabled or disabled. When disabled,
the MCP1802 draws only 0.01 μA of current (typical).
The MCP1802 is available in a SOT-23-5 package.
Package Types
SOT-23-5
1
2
3
5
4
V
OUT
NC
V
IN
SHDN
V
SS
300 mA, High PSRR, Low Quiescent Current LDO
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MCP1802T-0902E/OT | 制造商:Microchip Technology Inc 功能描述:HIGH PSRR 300 MA LDO, VIN 10V MAX, VOUT =0.9V SOT-23-5-TR - Tape and Reel |
| MCP1802T-0902I/OT | 功能描述:低壓差穩壓器 - LDO Hi PSRR 300 mA LDO Vin 10V maxVout 0.9V 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 |
| MCP1802T-1202I/OT | 功能描述:低壓差穩壓器 - LDO Hi PSRR 300 mA LDO Vin 10V maxVout 1.2V 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 |
| MCP1802T-1802E/OT | 制造商:Microchip Technology Inc 功能描述:HIGH PSRR 300 MA LDO, VIN 10V MAX, VOUT =1.8V SOT-23-5-TR - Tape and Reel |
| MCP1802T-1802I/OT | 功能描述:低壓差穩壓器 - LDO Hi PSRR 300 mA LDO Vin 10V maxVout 1.8V 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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