- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄358924 > LP3961ET-2.5 (NATIONAL SEMICONDUCTOR CORP) 800mA Fast Ultra Low Dropout Linear Regulators PDF資料下載
參數(shù)資料
| 型號(hào)： | LP3961ET-2.5 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 800mA Fast Ultra Low Dropout Linear Regulators |
| 中文描述： | 2.5 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PZFM5 |
| 封裝： | TO-220, 5 PIN |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 376K |
| 代理商： | LP3961ET-2.5 |
LP3961/LP3964
800mA Fast Ultra Low Dropout Linear Regulators
General Description
The LP3961/LP3964 series of fast ultra low-dropout linear
regulators operate from a +2.5V to +7.0V input supply. Wide
range of preset output voltage options are available. These
ultra low dropout linear regulators respond very fast to step
changes in load which makes them suitable for low voltage
microprocessor applications. The LP3961/LP3964 are de-
veloped on a CMOS process which allows low quiescent
current operation independent of output load current. This
CMOS process also allows the LP3961/LP3964 to operate
under extremely low dropout conditions.
Dropout Voltage:
Ultra low dropout voltage; typically 24mV
at 80mA load current and 240mV at 800mA load current.
Ground Pin Current:
Typically 4mA at 800mA load current.
Shutdown Mode:
Typically 15μA quiescent current when
the shutdown pin is pulled low.
Error Flag:
Error flag goes low when the output voltage
drops 10% below nominal value (for LP3961).
SENSE:
Sense pin improves regulation at remote loads.
(For LP3964)
Precision Output Voltage:
Multiple output voltage options
are available ranging from 1.2V to 5.0V and adjustable, with
a guaranteed accuracy of
±
1.5% at room temperature, and
±
3.0% over all conditions ( varying line, load, and tempera-
ture).
Features
n
Ultra low dropout voltage
n
Low ground pin current
n
Load regulation of 0.02%
n
15μA quiescent current in shutdown mode
n
Guaranteed output current of 0.8A DC
n
Available in SOT-223,TO-263 and TO-220 packages
n
Output voltage accuracy
±
1.5%
n
Error flag indicates output status (LP3961)
n
Sense option improves better load regulation (LP3964)
n
Extremely low output capacitor requirements
n
Overtemperature/overcurrent protection
n
40C to +125C junction temperature range
Applications
n
Microprocessor power supplies
n
GTL, GTL+, BTL, and SSTL bus terminators
n
Power supplies for DSPs
n
SCSI terminator
n
Post regulators
n
High efficiency linear regulators
n
Battery chargers
n
Other battery powered applications
Typical Application Circuits
DS101129-1
#
Minimum output capacitance is 10 μF to ensure stability over full load current range. More capacitance provides superior dynamic performance and additional
stability margin.
*SD and ERROR pins must be pulled high through a 10k
pull-up resistor. Connect the ERROR pin to ground if this function is not used. See applications sec-
tion for more information.
May 2000
L
2000 National Semiconductor Corporation
DS101129
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LP3961EMP-5.0 | 800mA Fast Ultra Low Dropout Linear Regulators |
| LP3961EMP-2.5 | 800mA Fast Ultra Low Dropout Linear Regulators |
| LP3961ET-5.0 | 800mA Fast Ultra Low Dropout Linear Regulators |
| LP3961ET-3.3 | 800mA Fast Ultra Low Dropout Linear Regulators |
| LP3962 | 1.5A Fast Ultra Low Dropout Linear Regulators |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3961ET-3.3 | 制造商:Texas Instruments 功能描述:V REG ULTRA-LDO +3.3V 3961 TO-220 |
| LP3961ET-3.3 | 制造商:Texas Instruments 功能描述:V REG ULTRA-LDO +3.3V 3961 TO-220 |
| LP3961ET-3.3/NOPB | 功能描述:IC REG LDO 3.3V .8A TO-220-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.28V @ 150mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:150mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應(yīng)商設(shè)備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
| LP3961ET-5.0 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:800mA Fast Ultra Low Dropout Linear Regulators |
| LP3961ET-5.0/NOPB | 功能描述:IC REG LDO 5V .8A TO-220-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.28V @ 150mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:150mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應(yīng)商設(shè)備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。