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參數(shù)資料
| 型號： | LM2936-50 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 8-Bit Shift Registers With Output Registers 16-SOIC -40 to 85 |
| 中文描述： | 超低靜態(tài)電流5V穩(wěn)壓器 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 301K |
| 代理商： | LM2936-50 |
Applications Information
(Continued)
On the SO-8 package the four ground pins are thermally
connected to the backside of the die. Adding approximately
0.04 square inches of 2 oz. copper pad area to these four
pins will improve the
θ
JA
rating to approximately 110C/W. If
this extra pad are is placed directly beneath the package
there should not be any impact on board density.
On the TO-252 package the ground tab is thermally con-
nected to the backside of the die. Adding 1 square inch of 2
oz. copper pad area directly under the ground tab will im-
prove the
θ
JA
rating to approximately 50C/W.
While the LM2936 has an internally set thermal shutdown
point of typically 150C, this is intended as a safety feature
only. Continuous operation near the thermal shutdown tem-
perature should be avoided as it may have a negative affect
on the life of the device.
While the LM2936-3.0 will survive input transients to +60V,
output regulation is not guaranteed for input voltages greater
than 40V. The LM2936 will not withstand a output short
circuit with the input above 40V because of safe operating
area limitations in the internal PNP pass device. With input
voltages above 60V the LM2936 will break down with cata-
strophic effects on the regulator and possibly the load as
well. Do not use this device in a design where the input
operating voltage may exceed 40V, or where transients are
likely to exceed 60V.
Shutdown Pin
The LM2936BM has a pin for shutting down the regulator
output.Applying a Logic Level High (
>
2.0V) to the Shutdown
pin will cause the output to turn off. Leaving the Shutdown
pin open, connecting it to Ground, or applying a Logic Level
Low (
<
0.6V) will allow the regulator output to turn on.
L
www.national.com
7
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2936BM-3.0 | 制造商:Texas Instruments 功能描述:IC V REG LDO LOW IQ 3V SMD SOIC8 |
| LM2936BM-3.0/NOPB | 功能描述:IC REG LDO 3V 50MA 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:300mA 電流 - 限制（最?。?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(yīng)商設(shè)備封裝:TSOT-23-5 包裝:帶卷 (TR) |
| LM2936BM-3.3 | 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 |
| LM2936BM-3.3 | 制造商:Texas Instruments 功能描述:V REG LDO LOW IQ 3.3V, SMD, SOIC8 制造商:Texas Instruments 功能描述:V REG LDO LOW IQ 3.3V, SMD, SOIC8; Primary Input Voltage:14V; Output Voltage Fixed:3.3V; Dropout Voltage Vdo:200mV; Voltage Regulator Case Style:SOIC; No. of Pins:8; Output Current:50mA; Operating Temperature Min:-40C; Operating ;RoHS Compliant: Yes |
| LM2936BM-3.3/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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