L4949NG ON Semiconductor, L4949NG Datasheet

IC REG LDO 100MA 5V RESET 8DIP

L4949NG

Manufacturer Part Number
L4949NG
Description
IC REG LDO 100MA 5V RESET 8DIP
Manufacturer
ON Semiconductor
Datasheet

Specifications of L4949NG

Regulator Topology
Positive Fixed
Voltage - Output
5V
Voltage - Input
Up to 28V
Voltage - Dropout (typical)
0.3V @ 100mA
Number Of Regulators
1
Current - Output
100mA
Current - Limit (min)
105mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Number Of Outputs
1
Polarity
Positive
Input Voltage Max
28 V
Output Voltage
5 V
Output Type
Fixed
Dropout Voltage (max)
0.25 V at 10 mA
Output Current
100 mA
Line Regulation
20 mV
Load Regulation
30 mV
Voltage Regulation Accuracy
1 %
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
Reference Voltage
1.23 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
L4949NGOS

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L4949NG
Manufacturer:
SIGMATEL
Quantity:
275
Part Number:
L4949NG
Manufacturer:
ST
0
L4949, NCV4949
100 mA, 5.0 V, Low Dropout
Voltage Regulator with
Reset and Sense
very low dropout and additional functions such as reset and an
uncommitted voltage sense comparator.
controlled systems particularly in automotive applications.
Features
Voltage (V
© Semiconductor Components Industries, LLC, 2008
November, 2008 − Rev. 12
The L4949 is a monolithic integrated 5.0 V voltage regulator with a
It is designed for supplying microcontroller/microprocessor
and Change Control
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 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
Voltage Sense Comparator
Thermal Shutdown and Short Circuit Protections
NCV Prefix for Automotive and Other Applications Requiring Site
These are Pb−Free Devices
Supply
Sense
Input
(S
CC
1
2
i
)
)
V
s
Figure 1. Representative Block Diagram
Regulator
Preregulator
1.23 V
6.0 V
ref
V
Z
3
Voltage (V
5
Output
Reset
GND
8
2.0 mA
out
)
Sense
C
T
4
+
-
+
-
1.23 V
2.0 V
1
Sense
Output
(S
Reset
7
6
o
)
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
20
8
DW SUFFIX
CASE 751D
8
SOIC−20W
8
1
V
C
V
CC
1
S
1
1
Z
T
ORDERING INFORMATION
i
1
2
3
4
A
WL, L
YY, Y
WW, W = Work Week
G or G
PIN CONNECTIONS
http://onsemi.com
CASE 751AC
CASE 626
N SUFFIX
CASE 751
PD SUFFIX
D SUFFIX
SOIC−8 EP
PDIP−8
SOIC−8
(Top View)
20
= Assembly Location
= Wafer Lot
= Year
= Pb−Free Device
1
MARKING DIAGRAMS
Publication Order Number:
AWLYYWWG
L4949DW
8
1
8
1
8
1
8
7
6
5
L4949N
ALYWD
ALYWG
YYWWG
V4949
L4949
V
S
Reset
GND
G
G
out
o
AWL
L4949/D

Related parts for L4949NG

L4949NG Summary of contents

Page 1

L4949, NCV4949 100 mA, 5.0 V, Low Dropout Voltage Regulator with Reset and Sense The L4949 is a monolithic integrated 5.0 V voltage regulator with a very low dropout and additional functions such as reset and an uncommitted voltage sense ...

Page 2

ABSOLUTE MAXIMUM RATINGS DC Operating Supply Voltage Transient Supply Voltage (t < 1.0 s) Output Current Output Voltage Sense Input Current Sense Input Voltage Output Voltages Reset Output Sense Output Output Currents Reset Output Sense Output Preregulator Output Voltage Preregulator ...

Page 3

ELECTRICAL CHARACTERISTICS (continued) (V Characteristic RESET Reset Threshold Voltage Reset Threshold Hysteresis @ T = 25° −40 to +125°C A Reset Pulse Delay (C = 100 nF, t ≥ 100 ms Reset Reaction Time ...

Page 4

TYPICAL CHARACTERIZATION CURVES 60.0 50.0 40.0 30.0 20.0 10.0 Stable Region OUTPUT CURRENT (mA) Figure 2. ESR Stability Border Vs. Output Current (Full ESR Range) 5. ...

Page 5

TYPICAL CHARACTERIZATION CURVES 3 2 25°C J 2.0 1.5 1.0 0.5 0 0.1 1 OUTPUT CURRENT (mA) out Figure 8. Quiescent Current versus Output Current 6 25°C J 5.0 ...

Page 6

Supply Voltage Transient High supply voltage transients can cause a reset output signal perturbation. For supply voltages greater than 8.0 V the circuit shows a high immunity of the reset output against supply transients of more than 100 V/ms. For ...

Page 7

The L4949 is a monolithic integrated low dropout voltage regulator. Several outstanding features and auxiliary functions are implemented to meet the requirements of supplying microprocessor systems applications also suitable in other applications where the included functions are required. ...

Page 8

Reset Circuit The block circuit diagram of the reset circuit is shown in Figure 18. The reset circuit supervises the output voltage. The reset threshold of 4 defined by the internal reference voltage and standby output divider. The ...

Page 9

... Device Operating Temperature Range L4949NG L4949DG L4949DR2G NCV4949DG* T NCV4949PDG* NCV4949DR2G* NCV4949PDR2G* NCV4949DWR2G* †For information on tape and reel specifications,including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. *NCV4949 −40° +125°C. Guaranteed by design. low high NCV prefix is for automotive and other applications requiring site and change control ...

Page 10

F −A− NOTE 2 C −T− N SEATING PLANE 0.13 (0.005 20X 0. 18X A1 PACKAGE DIMENSIONS ...

Page 11

... TOP VIEW A 0. 0.10 C SEATING PLANE A1 SIDE VIEW C *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. PACKAGE DIMENSIONS SOIC− SUFFIX CASE 751AC−01 ISSUE B C A-B F EXPOSED PAD 5 8 ...

Page 12

... *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “ ...

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