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參數(shù)資料
| 型號： | MCP1702 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 250 mA Low Quiescent Current LDO Regulator |
| 中文描述： | 250毫安低靜態(tài)電流LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 10/26頁 |
| 文件大?。?/td> | 689K |
| 代理商： | MCP1702 |
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MCP1702
DS22008B-page 10
2007 Microchip Technology Inc.
3.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
PIN FUNCTION TABLE
3.1
Ground Terminal (GND)
Regulator ground. Tie GND to the negative side of the
output and the negative side of the input capacitor.
Only the LDO bias current (2.0 μA typical) flows out of
this pin; there is no high current. The LDO output
regulation is referenced to this pin. Minimize voltage
drops between this pin and the negative side of the
load.
3.2
Regulated Output Voltage (V
OUT
)
Connect V
OUT
to the positive side of the load and the
positive terminal of the output capacitor. The positive
side of the output capacitor should be physically
located as close to the LDO V
OUT
pin as is practical.
The current flowing out of this pin is equal to the DC
load current.
3.3
Unregulated Input Voltage Pin
(V
IN
)
Connect V
IN
to the input unregulated source voltage.
Like all LDO linear regulators, low source impedance is
necessary for the stable operation of the LDO. The
amount of capacitance required to ensure low source
impedance will depend on the proximity of the input
source capacitors or battery type. For most
applications, 1 μF of capacitance will ensure stable
operation of the LDO circuit. For applications that have
load currents below 100 mA, the input capacitance
requirement can be lowered. The type of capacitor
used can be ceramic, tantalum or aluminum
electrolytic. The low ESR characteristics of the ceramic
will yield better noise and PSRR performance at high-
frequency.
Pin No.
SOT-23A
Pin No.
SOT-89
Pin No.
TO-92
Symbol
Function
1
1
1
GND
Ground Terminal
2
3
3
V
OUT
V
IN
NC
Regulated Voltage Output
3
2, Tab
2
Unregulated Supply Voltage
–
–
–
No connection
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCP1702-1202E/CB | 制造商:Microchip Technology Inc 功能描述: |
| MCP1702-1202E/TO | 功能描述:低壓差穩(wěn)壓器 - LDO Low Iq 250mA LDO Vin 13.2V max Vout=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(fù)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 |
| MCP1702-1502E/TO | 功能描述:低壓差穩(wěn)壓器 - LDO Low Iq 250mA LDO Vin 13.2V max Vout=1.5V 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(fù)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 |
| MCP1702-1802E/TO | 功能描述:低壓差穩(wěn)壓器 - LDO LDO w/ Low Quiescent 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(fù)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 |
| MCP1702-2502E/TO | 功能描述:低壓差穩(wěn)壓器 - LDO LDO w/ Low Quiescent 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(fù)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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