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LM1117IMPX-ADJ/NOPB bảng dữ liệu(PDF) 6 Page - Texas Instruments

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LM1117-N, LM1117I
SNOS412M – FEBRUARY 2000 – REVISED MARCH 2013
www.ti.com
LM1117I ELECTRICAL CHARACTERISTICS (continued)
Typicals and limits appearing in normal type apply for TJ = 25°C. Limits appearing in Boldface type apply over the entire
junction temperature range for operation,
−40°C to 125°C.
Symbol
Parameter
Conditions
Min(1)
Typ(2)
Max(1)
Units
ΔVOUT
Line Regulation(3)
LM1117I-ADJ
IOUT = 10mA, 1.5V ≤ VIN-VOUT ≤ 13.75V
0.035
0.3
%
LM1117I-3.3
IOUT = 0mA, 4.75V ≤ VIN ≤ 15V
1
10
mV
LM1117I-5.0
IOUT = 0mA, 6.5V ≤ VIN ≤ 15V
1
15
mV
ΔVOUT
Load Regulation(3)
LM1117I-ADJ
VIN-VOUT = 3V, 10 ≤ IOUT ≤ 800mA
0.2
0.5
%
LM1117I-3.3
VIN = 4.75V, 0 ≤ IOUT ≤ 800mA
1
15
mV
LM1117I-5.0
VIN = 6.5V, 0 ≤ IOUT ≤ 800mA
1
20
mV
VIN-V OUT
Dropout Voltage(4)
IOUT = 100mA
1.10
1.30
V
IOUT = 500mA
1.15
1.35
V
IOUT = 800mA
1.20
1.40
V
ILIMIT
Current Limit
VIN-VOUT = 5V, TJ = 25°C
800
1200
1500
mA
Minimum Load
LM1117I-ADJ
Current(5)
VIN = 15V
1.7
5
mA
Quiescent Current
LM1117I-3.3
VIN ≤ 15V
5
15
mA
LM1117I-5.0
VIN ≤ 15V
5
15
mA
Thermal Regulation
TA = 25°C, 30ms Pulse
0.01
0.1
%/W
Ripple Regulation
fRIPPLE =1 20Hz, VIN-VOUT = 3V VRIPPLE =
60
75
dB
1VPP
Adjust Pin Current
60
120
μA
Adjust Pin Current
10
≤ IOUT≤ 800mA,
Change
1.4V
≤ VIN-VOUT ≤ 10V
0.2
10
μA
Temperature Stability
0.5
%
Long Term Stability
TA = 125°C, 1000Hrs
0.3
%
RMS Output Noise
(% of VOUT), 10Hz ≤ f ≤10kHz
0.003
%
Thermal Resistance
3-Lead SOT-223
15.0
°C/W
Junction-to-Case
3-Lead TO-263
10
°C/W
Thermal Resistance
3-Lead SOT-223 (No heat sink)
136
°C/W
Junction-to-Ambient
3-Lead TO-263 (No heat sink)(6)
92
°C/W
No air flow)
8-Lead WSON(7)
40
°C/W
(3)
Load and line regulation are measured at constant junction room temperature.
(4)
The dropout voltage is the input/output differential at which the circuit ceases to regulate against further reduction in input voltage. It is
measured when the output voltage has dropped 100mV from the nominal value obtained at VIN = VOUT +1.5V.
(5)
The minimum output current required to maintain regulation.
(6)
Minimum pad size of 0.038in2
(7)
Thermal Performance for the WSON was obtained using JESD51-7 board with six vias and an ambient temperature of 22°C. For
information about improved thermal performance and power dissipation for the WSON, refer to Application Note AN-1187 (SNOA401).
6
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