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L4949 Datasheet(PDF) 2 Page - ON Semiconductor

Part No. L4949
Description  100 mA, 5.0 V, Low Dropout Voltage Regulator with Power−On Reset
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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L4949 Datasheet(HTML) 2 Page - ON Semiconductor

 
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L4949, NCV4949
http://onsemi.com
2
ABSOLUTE MAXIMUM RATINGS
Rating
Symbol
Value
Unit
DC Operating Supply Voltage
VCC
28
V
Transient Supply Voltage (t < 1.0 s)
VCC TR
40
V
Output Current
Iout
Internally
Limited
Output Voltage
Vout
20
V
Sense Input Current
ISI
±1.0
mA
Sense Input Voltage
VSI
VCC
Output Voltages
V
Reset Output
VReset
20
Sense Output
VSO
20
Output Currents
mA
Reset Output
IReset
5.0
Sense Output
ISO
5.0
Preregulator Output Voltage
VZ
7.0
V
Preregulator Output Current
IZ
5.0
mA
ESD Protection at any pin
V
Human Body Model
2000
Machine Model
400
Thermal Resistance, Junction−to−Air
RqJA
°C/W
P Suffix, DIP−8 Plastic Package, Case 626
100
D Suffix, SOIC−8 Plastic Package, Case 751
200
D Suffix, SOIC−20 Plastic Package, Case 751D
80
Operating Junction Temperature Range
TJ
−40 to +150
°C
Storage Temperature Range
Tstg
−65 to +150
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
ELECTRICAL CHARACTERISTICS (VCC = 14 V, −40°C < TA < 125°C, unless otherwise specified.)
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TA = 25°C, Iout = 1.0 mA)
Vout
4.95
5.0
5.05
V
Output Voltage (6.0 V < VCC < 28 V, 1.0 mA < Iout < 50 mA)
Vout
4.9
5.0
5.1
V
Output Voltage (VCC = 35 V, t < 1.0 s, 1.0 mA < Iout < 50 mA)
Vout
4.9
5.0
5.1
V
Dropout Voltage
Vdrop
V
Iout = 10 mA
0.1
0.25
Iout = 50 mA
0.2
0.40
Iout = 100 mA
0.3
0.50
Input to Output Voltage Difference in Undervoltage Condition
VIO
0.2
0.4
V
(VCC = 4.0 V, Iout = 35 mA)
Line Regulation (6.0 V < VCC < 28 V, Iout = 1.0 mA)
Regline
1.0
20
mV
Load Regulation (1.0 mA < Iout < 100 mA)
Regload
8.0
30
mV
Current Limit
ILim
mA
Vout = 4.5 V
105
200
400
Vout = 0 V
100
Quiescent Current (Iout = 0.3 mA, TA < 100°C)
IQSE
150
260
mA
Quiescent Current (Iout = 100 mA)
IQ
5.0
mA


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