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參數資料
型號: LP3982ILD-AJD
廠商: National Semiconductor Corporation
英文描述: Micropower, Ultra Low-Dropout, Low-Noise, 300mA CMOS Regulator
中文描述: 微功率,超低壓差,低噪聲的300mA的CMOS穩壓器
文件頁數: 1/12頁
文件大小: 361K
代理商: LP3982ILD-AJD
LP3982
Micropower, Ultra Low-Dropout, Low-Noise, 300mA
CMOS Regulator
General Description
The LP3982 low-dropout (LDO) CMOS linear regulator is
available in 1.8V, 2.5V, 2.77V, 2.82V, 3.0V, 3.3V, and adjust-
able versions. They deliver 300mA of output current. Pack-
aged in an 8-Pin MSOP, the LP3982 is pin and package
compatible with Maxim’s MAX8860. The LM3982 is also
available in the small footprint LLP package.
The LP3982 suits battery powered applications because of
its shutdown mode (1nA typ), low quiescent current (90μA
typ), and LDO voltage (120mV typ). The low dropout voltage
allows for more utilization of a battery’s available energy by
operating closer to its end-of-life voltage. The LP3982’s
PMOS output transistor consumes relatively no drive current
compared to PNP LDO regulators.
This PMOS regulator is stable with small ceramic capacitive
loads (2.2μF typ).
These devices also include regulation fault detection, a
bandgap voltage reference, constant current limiting and
thermal overload protection.
Features
n
MAX8860 pin, package and spec. compatible
n
LLP space saving package
n
300mA guaranteed output current
n
120mV typical dropout
@
300mA
n
90μA typical quiescent current
n
1nA typical shutdown mode
n
60dB typical PSRR
n
2.5V to 6V input range
n
120μs typical turn-on time
n
Stable with small ceramic output capacitors
n
37μV RMS output voltage noise (10Hz to 100kHz)
n
Over temperature/over current protection
n
±
2% output voltage tolerance
Applications
n
Wireless handsets
n
DSP core power
n
Battery powered electronics
n
Portable information appliances
Application Circuit
20036931
July 2002
L
2002 National Semiconductor Corporation
DS200369
www.national.com
相關PDF資料
PDF描述
LP3982ILDX-1.8 Micropower, Ultra Low-Dropout, Low-Noise, 300mA CMOS Regulator
LP3982ILDX-2.5 CAP EL 220UF 20% 63V 105C LO ESR SMD
LP3982ILDX-2.77 Micropower, Ultra Low-Dropout, Low-Noise, 300mA CMOS Regulator
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LP3982ILDX-3.0 Micropower, Ultra Low-Dropout, Low-Noise, 300mA CMOS Regulator
相關代理商/技術參數
參數描述
LP3982ILDX-1.8 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
LP3982ILDX-1.8/NOPB 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
LP3982ILDX18/NOPB 制造商:Texas Instruments 功能描述:MICROPOWER, ULTRA LOW-DROPOUT, LOW-NOISE, 300MA CMOS REGULATOR
LP3982ILDX-2.5 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Micropower, Ultra Low-Dropout, Low-Noise, 300mA CMOS Regulator
LP3982ILDX-2.5/NOPB 功能描述:IC REG LDO 2.5V .3A 8LLP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 穩壓器拓撲結構:正,固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降(標準):- 穩壓器數量:1 電流 - 輸出:300mA 電流 - 限制(最小):420mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型,TSOT-23-5 供應商設備封裝:TSOT-23-5 包裝:帶卷 (TR)
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