參數(shù)資料
型號: LMS1587ISXADJEP
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Enhanced Plastic 5A and 3A Low Dropout Fast Response Regulators
中文描述: ADJUSTABLE POSITIVE LDO REGULATOR, 1.3 V DROPOUT, PSSO3
封裝: PLASTIC, TO-263, 3 PIN
文件頁數(shù): 5/7頁
文件大?。?/td> 128K
代理商: LMS1587ISXADJEP
Application Note
Output Voltage
The adjustable version develops at 1.25V reference voltage,
(V
), between the output and the adjust terminal. As
shown in
Figure 1
, this voltage is applied across resistor R1
to generate a constant current I1. This constant current then
flows through R2. The resulting voltage drop across R2 adds
to the reference voltage to sets the desired output voltage.
The current I
ADJ
from the adjustment terminal introduces an
output error. But since it is small (120μA max), it becomes
negligible when R1 is in the 100
range.
For fixed voltage devices, R1 and R2 are integrated inside
the devices.
20099872
FIGURE 1. Basic Adjustable Regulator
L
www.national.com
5
相關(guān)PDF資料
PDF描述
LMS1587CS-1.5 5A and 3A Low Dropout Fast Response Regulators
LMS1587CS-3.3 SENSOR AMP DIFFERENTIAL 10 H2O
LMS1587IS-1.5 5A and 3A Low Dropout Fast Response Regulators
LMS1587IS-3.3 5A and 3A Low Dropout Fast Response Regulators
LMS1587IS-ADJ 5A and 3A Low Dropout Fast Response Regulators
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMS1587IT-1.5 功能描述:低壓差穩(wěn)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(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
LMS1587IT-1.5/NOPB 功能描述:低壓差穩(wěn)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(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
LMS1587IT-3.3 制造商:Texas Instruments 功能描述:LDO Regulator Pos 3.3V 3A 3-Pin(3+Tab) TO-220 Rail 制造商:OC White Company 功能描述:LDO Regulator Pos 3.3V 3A 3-Pin(3+Tab) TO-220 Rail
LMS1587IT-3.3/NOPB 功能描述:IC REG LDO 3.3V 3A TO220-3 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
LMS1587IT-ADJ 功能描述:IC REG LDO ADJ 3A TO220-3 RoHS:否 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