參數(shù)資料
型號: L4949ED
廠商: 意法半導(dǎo)體
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: MULTIFUNCTION VERY LOW DROP VOLTAGE REGULATOR
中文描述: 多功能很好低壓降穩(wěn)壓器
文件頁數(shù): 1/10頁
文件大?。?/td> 77K
代理商: L4949ED
L4949E
MULTIFUNCTIONVERY LOW DROP
VOLTAGE REGULATOR
OPERATING DC SUPPLY VOLTAGE RANGE
5V - 28V
TRANSIENT SUPPLY VOLTAGEUP TO 40V
EXTREMELY LOW QUIESCENT CURRENT
IN STANDBYMODE
HIGH PRECISION STANDBY OUTPUT VOLT-
AGE 5V
±
1%
OUTPUT CURRENT CAPABILITY UP TO
100mA
VERY LOW DROPOUT VOLTAGE LESS
THAN 0.5V
RESET CIRCUIT SENSING THE OUTPUT
VOLTAGE
PROGRAMMABLE RESET PULSE DELAY
WITH EXTERNAL CAPACITOR
VOLTAGESENSECOMPARATOR
THERMAL SHUTDOWN AND SHORT CIR-
CUIT PROTECTIONS
DESCRIPTION
The L4949Eis a monolithic integrated 5V voltage
regulator with a very low dropout output and addi-
tional functions as power-on reset and input volt-
age sense. It is designed for supplying the micro-
computer
controlled
systems
automotiveapplications.
especially
in
June 2000
REG
1.23V
REF
SI
SO
RES
GND
D96AT219
PREREGULATOR 5V
V
S
2
μ
+
RESET
2V
SENSE
V
S
1.23V
CT
V
OUT
V
Z
BLOCK DIAGRAM
ORDERING NUMBERS:
L4949E (Minidip)
L4949ED (SO8)
L4949EP (SO20W)
Minidip
SO8
SO20W (12+4+4)
1/10
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L4949ED013TR 功能描述:低壓差穩(wěn)壓器 - LDO 5V Multifunction 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
L4949ED013TR-1LF 制造商:STMicroelectronics 功能描述:REG LDO LIN FIX POS 5V 0.1A 8SOIC - Tape and Reel
L4949ED013TR-5 制造商:STMicroelectronics 功能描述:REG LDO LIN FIX POS 5V 0.1A 8SOIC NON ROHS - Tape and Reel
L4949ED013TR-VI 制造商:STMicroelectronics 功能描述:REG LDO LIN FIX POS 5V 0.1A 8SOIC LEADED - Tape and Reel
L4949ED-E 功能描述:低壓差穩(wěn)壓器 - LDO 5V MULTIFUNCTION 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