- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄358840 > LM323H THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS PDF資料下載
參數(shù)資料
| 型號(hào)： | LM323H |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| 中文描述： | 三端固定電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 126K |
| 代理商： | LM323H |
LM323, A
6
MOTOROLA ANALOG IC DEVICE DATA
Figure 13. Current Regulator
Figure 14. Adjustable Output Regulator
Figure 15. Current Boost Regulator
Figure 16. Current Boost with
Short Circuit Protection
5.0 V
R
Input
0.33
μ
F
LM323, A
R
IO
The LM323,A regulator can also be used as a current source when
connected as above. Resistor R determines the current as follows:
IO =
+ IB
IB
IB
0.7 mA over line, load and temperature changes
3.5 mA
For example, a 2.0 A current source would require R to be a 2.5
,
15 W resistor and the output voltage compliance would be the input
voltage less 7.5 V.
Constant
Current to
Grounded Load
Input
Output
1.0k
4
6
7
2
3
–
+
0.1
μ
F
10k
MC1741
VO, 8.0 V to 20 V
The addition of an operational amplifier allows adjustment to higher or
intermediate values while retaining regulation characteristics. The
minimum voltage obtainable with this arrangement is 3.0 V greater
than the regulator voltage.
LM323, A
0.33
μ
F
R
0.1
μ
F
Output
1.0
μ
F
The LM323, A series can be current boosted with a PNP transistor. The
2N4398 provides current to 15 A. Resistor R in conjuction with the VBE of
the PNP determines when the pass transistor begins conducting; this
circuit is not short circuit proof. Input–output differential voltage
minimum is increased by the VBE of the pass transistor.
2N4398 or Equiv
LM323, A
LM323, A
Input
Rsc
2N4398
or Equiv.
Output
R
MJ2955
or Equiv.
1.0
μ
F
The circuit of Figure 16 can be modified to provide supply protection
against short circuits by adding a short circuit sense resistor, RSC, and
an additional PNP transistor. The current sensing PNP must be able to
handle the short circuit current of the three–terminal regulator.
Therefore, an 8.0 A power transistor is specified.
Vin – VO
≥
2.5 V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM323KSTEEL | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| LM123KSTEEL-MIL | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| LM323AT | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| LM323T | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| LM323AT | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM323K | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 5.0V 3.0A Positive RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| LM323K STEEL | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| LM323K STEEL/NOPB | 功能描述:IC REG LDO 5V 3A TO-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:2.7V 輸入電壓:最高 5.5V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.21V @ 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:SOT-23-5 細(xì)型，TSOT-23-5 供應(yīng)商設(shè)備封裝:TSOT-23-5 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:1100 (CN2011-ZH PDF) 其它名稱:576-1852-1 |
| LM323K | 制造商:STMicroelectronics 功能描述:IC V REG +5.0V TO-3-2 323 |
| LM323K5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。