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參數資料
| 型號： | MCP1727 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 1.5A, Low Voltage, Low Quiescent Current LDO Regulator |
| 中文描述： | 1.5安培的電流，低電壓，低靜態電流LDO穩壓器 |
| 文件頁數： | 1/32頁 |
| 文件大?。?/td> | 678K |
| 代理商： | MCP1727 |
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2007 Microchip Technology Inc.
DS21999B-page 1
MCP1727
Features
1.5A Output Current Capability
Input Operating Voltage Range: 2.3V to 6.0V
Adjustable Output Voltage Range: 0.8V to 5.0V
Standard Fixed Output Voltages:
- 0.8V, 1.2V, 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
Other Fixed Output Voltage Options Available
Upon Request
Low Dropout Voltage: 330 mV Typical at 1.5A
Typical Output Voltage Tolerance: 0.5%
Stable with 1.0 μF Ceramic Output Capacitor
Fast response to Load Transients
Low Supply Current: 120 μA (typ)
Low Shutdown Supply Current: 0.1 μA (typ)
Adjustable Delay on Power Good Output
Short Circuit Current Limiting and
Overtemperature Protection
3x3 DFN-8 and SOIC-8 Package Options
Applications
High-Speed Driver Chipset Power
Networking Backplane Cards
Notebook Computers
Network Interface Cards
Palmtop Computers
2.5V to 1.XV Regulators
Description
The MCP1727 is a 1.5A Low Dropout (LDO) linear
regulator that provides high current and low output
voltages in a very small package. The MCP1727
comes in a fixed (or adjustable) output voltage version,
with an output voltage range of 0.8V to 5.0V. The 1.5A
output current capability, combined with the low output
voltage capability, make the MCP1727 a good choice
for new sub-1.8V output voltage LDO applications that
have high current demands.
The MCP1727 is stable using ceramic output
capacitors that inherently provide lower output noise
and reduce the size and cost of the entire regulator
solution. Only 1 μF of output capacitance is needed to
stabilize the LDO.
Using CMOS construction, the quiescent current
consumed by the MCP1727 is typically less than
120 μA over the entire input voltage range, making it
attractive for portable computing applications that
demand high output current. When shut down, the
quiescent current is reduced to less than 0.1 μA.
The scaled-down output voltage is internally monitored
and a power good (PWRGD) output is provided when
the output is within 92% of regulation (typical). An
external capacitor can be used on the C
DELAY
pin to
adjust the delay from 200 μs to 300 ms.
The overtemperature and short circuit current-limiting
provide additional protection for the LDO during system
fault conditions.
Package Types
V
IN
V
IN
SHDN
GND
PWRGD
C
DELAY
Sense
V
OUT
V
IN
V
IN
SHDN
GND
PWRGD
C
DELAY
ADJ
V
OUT
Adjustable (SOIC-8)
Fixed (SOIC-8)
V
IN
V
IN
SHDN
GND
PWRGD
C
DELAY
Sense
V
OUT
1
2
1
2
3
3
4
4
5
5
6
6
7
7
8
8
Fixed (3x3 DFN)
V
IN
V
IN
SHDN
GND
PWRGD
C
DELAY
V
OUT
Adjustable (3x3 DFN)
ADJ
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1.5A, Low Voltage, Low Quiescent Current LDO Regulator
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MCP1727-0802E/MF | 功能描述:低壓差穩壓器 - LDO 1.5A CMOS LDO .8V DFN8 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 |
| MCP1727-0802E/SN | 功能描述:低壓差穩壓器 - LDO 1.5A Vout=0.8V Extended Temp 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 |
| MCP1727-1202E/MF | 功能描述:低壓差穩壓器 - LDO 1.5A CMOS LDO 1.2V DFN8 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 |
| MCP1727-1202E/SN | 功能描述:低壓差穩壓器 - LDO 1.5A Vout=1.2V Extended Temp 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 |
| MCP1727-1802E/MF | 功能描述:低壓差穩壓器 - LDO 1.5A CMOS LDO 1.8V DFN8 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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