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參數(shù)資料
| 型號(hào)： | L4948 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Quad Voltage Regulator with Inhabit and Reset(帶禁止和復(fù)位的四通道穩(wěn)壓器) |
| 中文描述： | 四電壓調(diào)節(jié)器的居住和復(fù)位（帶禁止和復(fù)位的四通道穩(wěn)壓器） |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 132K |
| 代理商： | L4948 |
L4948
QUAD VOLTAGE REGULATOR WITH INHIBIT AND RESET
ADVANCE DATA
4 OUTPUTS: 10V (300mA); 8V (400mA); 5V
(600mA); 5V (100mA)
ALL FOUR OUTPUTS ARE LOWDROP
5V (100mA) ST-BY OUTPUT VOLTAGE
EARLY WARNING OUTPUT FOR SUPPLY
UNDERVOLTAGE (LVW)
THERMAL
SHUTDOWN
LIMITATION(FOLDBACK)
REVERSE BATTERY AND LOAD DUMP
PROTECTION
INHIBIT (ON/OFF) AND RESET FUNCTIONS
AND
CURRENT
DESCRIPTION
The L4948 is a quad output low drop voltage
regulator. All four outputs are low drop: 10V at
300mA (V
O1
), 8V at 400mA (V
O2
), 5V at 600mA
(V
O3
) and a 5V st-byline at 100mA (V
O4
).
The IC includes a monitoring circuit to warn if a
low voltage or no voltage condition is occurring.
V
O1,2,3
areoff duringst-by mode.
The STCAP pin allows the battery voltage to de-
BLOCK DIAGRAM
cay slowly giving the
μ
P time to store data. This
IC is designed for supplying microcomputer con-
trolled systems specially in automotive applica-
tions.
This isadvanced information on anew product now in development or undergoing evaluation. Details are subject to change without notice.
December 1993
Multiwatt 11
ORDERING NUMBER:
L4948
MULTIPOWER BCD TECHNOLOGY
1/9
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L4949E | Multifunction Very Low Drop Voltage Regulator(多功能低壓差電壓穩(wěn)壓器) |
| L4952 | Voltage Regulator for Car Radio Applications(用于汽車收音機(jī)的電壓穩(wěn)壓器) |
| L4953K | Multifunction Voltage Regulator for Car Radio(用于汽車收音機(jī)的多功能電壓穩(wěn)壓器) |
| L4953 | Multifunction Voltage Regulator for Car Radio(用于汽車收音機(jī)的多功能電壓穩(wěn)壓器) |
| L4954 | Quad Multifunction Voltage Regulator for Car Radio(用于汽車收音機(jī)的多功能四電壓穩(wěn)壓器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L4949 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:AC-DC Offline Switching Controllers/Regulators |
| L4949_06 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:100 mA, 5.0 V, Low Dropout Voltage Regulator with Power−On Reset |
| L4949D | 功能描述:低壓差穩(wěn)壓器 - LDO 5V 100mA w/Power-On 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(dòng)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 |
| L4949DG | 功能描述:低壓差穩(wěn)壓器 - LDO 5V 100mA w/Power-On Reset 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(dòng)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 |
| L4949DG | 制造商:ON Semiconductor 功能描述:Linear Voltage Regulator IC |
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