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L4949DR2 Datasheet

  • L4949DR2

  • VOLT REGULATOR|FIXED|+5V|BIPOLAR|SOP|8PIN|PLASTIC

  • 131.46KB

  • 12頁(yè)

  • ETC

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L4949, NCV4949
100 mA, 5.0 V, Low Dropout
Voltage Regulator with
Power-On Reset
The L4949 is a monolithic integrated 5.0 V voltage regulator with a
very low dropout and additional functions such as power鈥搊n reset and
input voltage sense.
It is designed for supplying the micro鈥揷omputer controlled systems
especially in automotive applications.
鈥?/div>
Operating DC Supply Voltage Range 5.0 V to 28 V
鈥?/div>
Transient Supply Voltage Up to 40 V
鈥?/div>
Extremely Low Quiescent Current in Standby Mode
鈥?/div>
High Precision Standby Output Voltage 5.0 V
鹵1%
鈥?/div>
Output Current Capability Up to 100 mA
鈥?/div>
Very Low Dropout Voltage Less Than 0.4 V
鈥?/div>
Reset Circuit Sensing The Output Voltage
鈥?/div>
Programmable Reset Pulse Delay With External Capacitor
鈥?/div>
Voltage Sense Comparator
鈥?/div>
Thermal Shutdown and Short Circuit Protections
http://onsemi.com
MARKING
DIAGRAMS
PDIP鈥?
N SUFFIX
CASE 626
1
1
8
8
1
SO鈥?
D SUFFIX
CASE 751
1
A
WL, L
YY, Y
WW, W
=
=
=
=
Assembly Location
Wafer Lot
Year
Work Week
L4949
ALYWD
8
L4949N
AWL
YYWW
8
PIN CONNECTIONS
Representative Block Diagram
Output
Voltage (V
out
)
V
Z
3
8
Supply
Voltage (V
CC
)
1
Preregulator
6.0 V
2.0
碌A(chǔ)
V
CC
C
T
4
1
2
3
4
(Top View)
8
7
6
5
V
out
S
o
Reset
Gnd
S
i
V
Z
C
T
Reset
6
+
-
2.0 V
Sense
Output
(S
o
)
7
+
-
1.23 V
Regulator
Sense
Input
(S
i
)
2
1.23 V
ref
5
V
s
Reset
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
Sense
Gnd
漏
Semiconductor Components Industries, LLC, 2002
1
April, 2002 鈥?Rev. 4
Publication Order Number:
L4949/D

L4949DR2 產(chǎn)品屬性

  • 2,500

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，固定式

  • 5V

  • 最高 28V

  • 0.3V @ 100mA

  • 1

  • 100mA

  • -40°C ~ 125°C

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOICN

  • 帶卷 (TR)

  • L4949DR2OS

L4949DR2相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
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  • 英文版
    MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
    ONSEMI
  • 英文版
    MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
    MOTOROLA
  • 英文版
    MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
    ONSEMI [ON...
  • 英文版
    MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
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  • 英文版
    1A-5V LOW DROP REGULATOR
    STMicroelectronics
  • 英文版
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    STMICROELECTRONICS

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