LM1108SF5 HTC Korea, LM1108SF5 Datasheet

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LM1108SF5

Manufacturer Part Number
LM1108SF5
Description
300mA C-MOS L.D.O. Regulator
Manufacturer
HTC Korea
Datasheet
1.LM1108SF5.pdf (4 pages)
0702-01 Taejin Technology Co.,Ltd.
FEATURES
• Extremely Low Supply Current(50µA,Typ.)
• Very Low Dropout Voltage
• 300mA Output Current
• High Output Voltage Accuracy +/- 1.4 %
• Standardor Custom Output Voltages
• Over Currentand Over Temperature Protection
• Small input/output differential : 0.3V for full load
APPLICATIONS
• Battery Operated Systems
• Portable Computers
• Portable Cameras and Video Recorders
• Medical Instruments
• Instrumentation
• Cellular/GSM/PHS Phones
• Linear Post-Regulators for SMPS
• Pagers
DESCRIPTION
TYPICAL APPLICATION CIRCUIT
300mA C-MOS L.D.O. Regulator
The LM1108 is a fixed output,high accuracy(typically ±0.5%) C MOS low drop-out regulator.
Total supply current is typically 50µA at full load (20 to 60 times lower than in bipolar regulators).
LM1108 key features include ultra low noise operation, very low dropout voltage (typically 240mV at full
load), and fast response to step changes in load.
The LM1108 in corporates both over temperature and over current protection.
The LM1108 is stable with an output capacitor of only1µF and has a maximum out put current of 300mA.
It is available in a SOT-23 & SOT-89 package
1
ORDERING INFORMATION
LM1108 SF
LM1108 SF5
LM1108 F
(Note : "XX" is Output Voltage for SOT-23 Pkg,
SOT-23-5L
(SOT-25)
SOT-23
SOT-89
1.5V=H15, 1.8V=H18….3.3V=H33)
1.Vss 2.Vin 3.Vout 4. NC 5. NC
Device
①
1108 X.X
①
Marking
HXX
HXX
LM1108F/SF
②
Package
SOT-23
SOT-25
SOT-89
HTC

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LM1108SF5 Summary of contents

Page 1

C-MOS L.D.O. Regulator FEATURES • Extremely Low Supply Current(50µA,Typ.) • Very Low Dropout Voltage • 300mA Output Current • High Output Voltage Accuracy +/- 1.4 % • Standardor Custom Output Voltages • Over Currentand Over Temperature Protection • Small ...

Page 2

C-MOS L.D.O. Regulator ABSOLUTE MAXIMUM RATING (Note 1) Supply Voltage (Vin) Output Current (Iout) Output Voltage (Vout) Total Power Dissipation (Pd) SOT-89 Operating Ambient Temperature (Topr) Lead Temperature (soldering, 5 sec) Storage Temperature (Tstg) ELECTRICAL CHARACTERISTICS Note.1 : Load ...

Page 3

C-MOS L.D.O. Regulator Detail Description - The LM1108 is aprecision, fixed output LDO. Un like bipolar regulators, the LM1108’s supply current does not increase with load current. In addition,VOUT remains stable and with in regulation over theen tire 0mA ...

Page 4

C-MOS L.D.O. Regulator EQUATION 2-2: Table 2-1 shows various values of θJA for the LM1108 versus board copper area. TABLE 2-1 : THERMAL RESISTANCE GUIDELINES FOR LM1108 Equation 2-1can be used in conjunction with Equation 2-2 to ensure regulator ...

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