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參數資料
| 型號： | L4923 |
| 廠商： | 意法半導體 |
| 英文描述： | Low Drop Regulator With Reset and Inhibit(帶禁止和復位的低壓差穩壓器) |
| 中文描述： | 低壓差穩壓復位和抑制（帶禁止和復位的低壓差穩壓器） |
| 文件頁數： | 1/6頁 |
| 文件大?。?/td> | 81K |
| 代理商： | L4923 |
L4923
October 1991
WITH RESET AND INHIBIT
5V–1A VERY LOW DROP REGULATOR
.
VERY LOW DROP (max. 0.9V at 1A) OVER
FULL OPERATING TEMPERATURE RANGE
(– 40 / + 125
°
C)
.
LOW QUIESCENT CURRENT (max 70 mA at
1 A)OVER FULL T RANGE
.
PRECISEOUTPUTVOLTAGE(5V
±
4%)OVER
FULL T RANGE
.
POWER ON-OFF INFORMATION WITH SET-
TABLEDELAY
.
INHIBIT FOR REMOTE ON-OFF COMMAND
(active high)
.
LOADSTANDBY CURRENT
.
LOADDUMP AND REVERSEBATTERY PRO-
TECTION
.
SHORT CIRCUIT PROTECTION
.
THERMALSHUTDOWN
DESCRIPTION
TheL4923is ahighcurrentmonolithicvoltageregu-
lator with very low voltagedrop(0.70 Vmax at 1A,
T
J
= 25
°
C).
The device is internally protected against load
dumps transient of + 60 V, input overvoltage, re-
versepolarity,overheating and outputshortcircuit :
thanksto thesefeaturesthe L4923is very suitedfor
theautomotive and industrial applications.
The reset function is very useful for power off and
power oninformation when supplying a microproc-
essor.
The inhibit function reduces drastically the con-
sumptionwhennoloadcurrentis required:typically
thestandbycurrentvalue is 300
μ
A.
Heptawatt
ORDERING NUMBER :
L4923
BLOCK DIAGRAM
1/6
This is advanced information on a new product now indevelopment or undergoing evaluation. Details are subject to change without notice.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| L4925 | 功能描述:低壓差穩壓器 - LDO 5V 0.5A w/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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L4925H | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| L4925L | 功能描述:低壓差穩壓器 - LDO V Low-Drop Volt Reg 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 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L4925PD | 功能描述:低壓差穩壓器 - LDO 5V 0.5A w/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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L4925PD013TR | 功能描述:低壓差穩壓器 - LDO 5V 0.5A w/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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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