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參數資料
| 型號： | RC2951M33 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | VOLT REGULATOR|FIXED/ADJUSTABLE|+3.3/+1.24 TO 29V|BIPOLAR|SOP|8PIN|PLASTIC |
| 中文描述： | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.7 V DROPOUT, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 103K |
| 代理商： | RC2951M33 |
PRELIMINARY INFORMATION
describes products that are not in full production at the time of printing. Specifications are based on design goals
and limited characterization. They may change without notice. Contact Raytheon for current information.
www.fairchildsemi.com
Features
High accuracy output voltage
Guaranteed 100 mA output current
Extremely low quiescent current
Extremely tight load and line regulation
Requires only a 1.0μF output capacitor for stability
Internal Current and Thermal Limiting
Error flag warns of output dropout
Logic-controlled electronic shutdown
Output programmable from 1.24 to 29V
Fixed 3.3V version available
-25°C to +85°C operating range
8 lead SOIC package
Description
The RC2951 is a voltage regulator specifically designed to
maintain proper regulation with a very low dropout voltage
(Typ. 40mV at light loads and 380 mV at 100mA). It has a
low quiescent bias current of 75
μ
A and is capable of supply-
ing output currents in excess of 100mA. It has internal cur-
rent and thermal limiting protection. The output can be
programmed from 1.24V to 29V with two external resistors.
A fixed output voltage (3.3V) is also available.
The error flag output can be used as power-on reset for
warning of a low output voltage. The Shutdown input feature
allows a logic level signal to turn on and off the regulator
output. The RC2951 is ideally suited for battery powered
computer, consumer, and industrial equipment where an
extension of useful battery life is desirable. The RC2951 is
available in an 8-pin SOIC package.
Block Diagram
Unregulated DC
+
Shut
Down
Feed-
Back
Error
Amplifier
1.23V
Reference
From
CMOS
or TTL
To CMOS
or TTL
Input
Output
Sense
330k
60 mV
3
7
8
1
2
6
5
4
V
TAP
I
L
≤
100 mA
V
OUT
See Application
Discussion
Error Detection Comparator
Ground
Error
+
+
+
–
+
–
+
RC2951
Adjustable Micropower Voltage Regulator
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相關代理商/技術參數 |
參數描述 |
|---|---|
| RC2951M33_32 | 功能描述:上下轉換器 RoHS:否 制造商:Texas Instruments 產品:Down Converters 射頻:52 MHz to 78 MHz 中頻:300 MHz LO頻率: 功率增益: P1dB: 工作電源電壓:1.8 V, 3.3 V 工作電源電流:120 mA 最大功率耗散:1 W 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PQFP-128 |
| RC2951MT | 功能描述:低壓差穩壓器 - LDO 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 |
| RC2A-12DS | 制造商:World Products 功能描述: |
| RC2A-12DSF | 制造商:World Products 功能描述: |
| RC2A-24DSF | 制造商:World Products 功能描述: |
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