參數(shù)資料
型號： L4949N
廠商： MOTOROLA INC
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
中文描述： 5 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDIP8
封裝： PLASTIC, DIP-8
文件頁數(shù)： 1/8頁
文件大?。?/td> 191K
代理商： L4949N
Device
Operating
Temperature Range
Package
SILICON MONOLITHIC
INTEGRATED CIRCUIT
MULTIFUNCTION
VERY LOW DROPOUT
VOLTAGE REGULATOR
ORDERING INFORMATION
L4949N
L4949D
TJ = –40
°
to +125
°
C
DIP–8
SO–8
D SUFFIX
PLASTIC PACKAGE
CASE 751
8
1
(Top View)
PIN CONNECTIONS
Order this document from L4949/D
N SUFFIX
PLASTIC PACKAGE
CASE 626
8
1
1
2
3
4
8
7
6
5
VZ
CT
Gnd
S
i
V
CC
Reset
So
Vout
The L4949 is a monolithic integrated 5.0 V voltage regulator with a very
low dropout and additional functions such as power–on reset and input
voltage sense.
It is designed for supplying the micro–computer controlled systems
especially in automotive applications.
Operating DC Supply Voltage Range 5.0 V to 28 V
Transient Supply Voltage Up to 40 V
Extremely Low Quiescent Current in Standby Mode
High Precision Standby Output Voltage 5.0 V
±
1%
Output Current Capability Up to 100 mA
Very Low Dropout Voltage Less Than 0.4 V
Reset Circuit Sensing The Output Voltage
Programmable Reset Pulse Delay With External Capacitor
Voltage Sense Comparator
Thermal Shutdown and Short Circuit Protections
Regulator
1.23 Vref
2.0 V
2.0
μ
A
Reset
1.23 V
Sense
Gnd
Sense
Output
(So)
Reset
Sense
Input
(Si)
Supply
Voltage (VCC)
VZ
Output
Voltage (Vout)
CT
3
8
4
6
7
5
2
1
Vs
+
–
+
–
Preregulator
6.0 V
Representative Block Diagram
Motorola, Inc. 1998
Rev 1
相關(guān)PDF資料
PDF描述
L4949D MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
L4949N MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
L4949 MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
L4X8E6 Sensitive Triacs (0.8A to 8A)
L4X8E6 Sensitive Triacs (0.8 A to 8 A)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L4949NG 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
L4952 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VOLTAGE REGULATOR FOR CAR RADIO APPLICATIONS
L4952D 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 8.6V 0.15A LDO 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
L4952D013TR 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 8.6V 0.15A LDO 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
L4952TS 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3.1W Stereo-SE Audio Power Amplifier with DC Volume Control
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