LD1117
SERIES
LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
■LOW DROPOUT VOLTAGE (1V TYP.)
■2.85V DEVICE PERFORMANCES ARE SUITABLE FOR SCSI-2 ACTIVE TERMINATION
■OUTPUT CURRENT UP TO 800 mA
■FIXED OUTPUT VOLTAGE OF: 1.2V, 1.8V, 2.5V, 2.85V, 3.0V, 3.3V, 5.0V
■ADJUSTABLE VERSION AVAILABILITY (Vrel=1.25V)
■INTERNAL CURRENT AND THERMAL LIMIT
■AVAILABLE IN ± 1% (AT 25°C) AND 2% IN FULL TEMPERATURE RANGE
■SUPPLY VOLTAGE REJECTION: 75dB (TYP.)
DESCRIPTION
The LD1117 is a LOW DROP Voltage Regulator able to provide up to 800mA of Output Current, available even in adjustable version (Vref=1.25V). Concerning fixed versions, are offered the following Output Voltages: 1.2V,1.8V,2.5V,2.85V, 3.0V 3.3V and 5.0V. The 2.85V type is ideal for SCSI-2 lines active termination. The device is supplied in: SOT-223, DPAK, SO-8, TO-220 and TO-220FM. The SOT-223 and DPAK surface mount packages optimize the thermal characteristics even offering a relevant space saving effect. High efficiency is assured by NPN
BLOCK DIAGRAM
TO-220FM |
|
TO-220 |
DPAK |
SOT-223 |
SO-8 |
pass transistor. In fact in this case, unlike than PNP one, the Quiescent Current flows mostly into the load. Only a very common 10µF minimum capacitor is needed for stability. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ± 1% at 25°C. The ADJUSTABLE LD1117 is pin to pin compatible with the other standard. Adjustable voltage regulators maintaining the better performances in terms of Drop and Tolerance.
October 2003 |
1/24 |
LD1117 SERIES
ABSOLUTE MAXIMUM RATINGS
Symbol |
Parameter² |
Value |
Unit |
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VIN |
DC Input Voltage |
15 |
V |
|
Ptot |
Power Dissipation |
12 |
W |
|
Tstg |
Storage Temperature Range |
-40 to +150 |
°C |
|
Top |
Operating Junction Temperature Range |
for C Version |
-40 to +125 |
°C |
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for standard Version |
0 to +125 |
°C |
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Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied. Over the above suggested Max Power Dissipation a Short Circuit could definitively damage the device.
THERMAL DATA
Symbol |
Parameter |
SOT-223 |
SO-8 |
DPAK |
TO-220 |
TO-220FM |
Unit |
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Rthj-case |
Thermal Resistance Junction-case |
15 |
20 |
8 |
3 |
4 |
°C/W |
Rthj-amb |
Thermal Resistance Junction-ambient |
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50 |
60 |
°C/W |
APPLICATION CIRCUIT (FOR 1.2 V)
APPLICATION CIRCUIT (FOR OTHER FIXED OUTPUT VOLTAGES)
2/24 |
LD1117 SERIES
CONNECTION DIAGRAM (top view)
SOT-223 |
SO-8 |
TO-220FM |
TO-220 |
|
DPAK |
NOTE: The TAB is connected to the VOUT.
ORDERING CODES
SOT-223 |
SO-8 |
DPAK |
TO-220 |
TO-220FM |
OUTPUT |
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VOLTAGE |
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LD1117S12 |
LD1117D12 (*) |
LD1117DT12 |
LD1117V12 (*) |
LD1117F12 (*) |
1.2 V |
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LD1117S18 |
LD1117D18 |
LD1117DT18 |
LD1117V18 |
LD1117F18 |
1.8 V |
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LD1117S18C |
LD1117D18C |
LD1117DT18C |
LD1117V18C |
LD1117F18C |
1.8 V |
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LD1117S25 |
LD1117D25 |
LD1117DT25 |
LD1117V25 |
LD1117F25 |
2.5 V |
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LD1117S25C |
LD1117D25C |
LD1117DT25C |
LD1117V25C |
LD1117F25C |
2.5 V |
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LD1117S28 |
LD1117D28 |
LD1117DT28 |
LD1117V28 |
LD1117F28 |
2.85 V |
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LD1117S30 |
LD1117D30 |
LD1117DT30 |
LD1117V30 |
LD1117F30 |
3 V |
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LD1117S30C |
LD1117D30C |
LD1117DT30C |
LD1117V30C |
LD1117F30C |
3 V |
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LD1117S33 |
LD1117D33 |
LD1117DT33 |
LD1117V33 |
LD1117F33 |
3.3 V |
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LD1117S33C |
LD1117D33C |
LD1117DT33C |
LD1117V33C |
LD1117F33C |
3.3 V |
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LD1117S50 |
LD1117D50 |
LD1117DT50 |
LD1117V50 |
LD1117F50 |
5 V |
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LD1117S50C |
LD1117D50C |
LD1117DT50C |
LD1117V50C |
LD1117F50C |
5 V |
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LD1117S |
LD1117D |
LD1117DT |
LD1117V |
LD1117F |
ADJUSTABLE |
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FROM 1.25 TO |
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15V |
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LD1117SC |
LD1117DC |
LD1117DTC |
LD1117VC |
LD1117FC |
ADJUSTABLE |
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FROM 1.25 TO |
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15V |
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3/24 |
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LD1117 SERIES
(*) Available on request
ELECTRICAL CHARACTERISTICS OF LD1117#12 (refer to the test circuits, TJ = 0 to 125°C, CO = 10 µF, R = 120 Ω between GND and OUT pins, unless otherwise specified)
Symbol |
Parameter |
|
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
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Vref |
Reference Voltage |
IO = 10 to 800 mA |
Vin - VO= 1.4 to 10 V |
1.140 |
1.20 |
1.260 |
V |
||
VO |
Line Regulation |
Vin - VO = 1.5 to 13.75 V |
IO = 10 mA |
|
0.035 |
0.2 |
% |
||
VO |
Load Regulation |
Vin - VO = 3 V |
IO = 10 to 800 mA |
|
0.1 |
0.4 |
% |
||
VO |
Temperature Stability |
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|
0.5 |
|
% |
VO |
Long Term Stability |
1000 hrs, TJ = 125°C |
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0.3 |
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% |
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Vin |
Operating Input Voltage |
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15 |
V |
Iadj |
Adjustment Pin Current |
Vin ≤ 15 V |
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60 |
120 |
µA |
Iadj |
Adjustment Pin Current |
Vin - VO = 1.4 to 10 V |
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1 |
5 |
µA |
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Change |
IO = 10 to 800 mA |
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IO(min) |
Minimum Load Current |
Vin = 15 V |
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2 |
5 |
mA |
IO |
Output Current |
Vin - VO = 5 V |
TJ = 25°C |
800 |
950 |
1300 |
mA |
||
eN |
Output Noise (%VO) |
B =10Hz to 10KHz |
TJ = 25°C |
|
0.003 |
|
% |
||
SVR |
Supply Voltage Rejection |
IO = 40 mA |
f = 120Hz |
TJ = 25°C |
60 |
75 |
|
dB |
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|
|
Vin - VO = 3 V |
Vripple = 1 VPP |
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Vd |
Dropout Voltage |
IO = 100 mA |
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1 |
1.1 |
V |
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IO = 500 mA |
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1.05 |
1.15 |
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IO = 800 mA |
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1.10 |
1.2 |
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Thermal Regulation |
Ta = 25°C |
30ms Pulse |
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|
0.01 |
0.1 |
%/W |
ELECTRICAL CHARACTERISTICS OF LD1117#18 (refer to the test circuits, TJ = 0 to 125°C, CO = 10 µF unless otherwise specified)
Symbol |
Parameter |
|
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
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VO |
Output Voltage |
Vin = 3.8 V |
IO = 10 mA |
TJ = 25°C |
1.78 |
1.8 |
1.82 |
V |
|
VO |
Output Voltage |
IO = 0 to 800 mA |
Vin = 3.3 to 8 V |
1.76 |
|
1.84 |
V |
||
VO |
Line Regulation |
Vin = 3.3 to 8 V |
IO = 0 mA |
|
1 |
6 |
mV |
||
VO |
Load Regulation |
Vin = 3.3 V |
|
IO = 0 to 800 mA |
|
1 |
10 |
mV |
|
VO |
Temperature Stability |
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0.5 |
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% |
VO |
Long Term Stability |
1000 hrs, TJ = 125°C |
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0.3 |
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% |
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Vin |
Operating Input Voltage |
IO = 100 mA |
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10 |
V |
Id |
Quiescent Current |
Vin ≤ 8 V |
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|
5 |
10 |
mA |
IO |
Output Current |
Vin = 6.8 V |
TJ = 25°C |
|
800 |
950 |
1300 |
mA |
|
eN |
Output Noise Voltage |
B =10Hz to 10KHz |
TJ = 25°C |
|
100 |
|
μV |
||
SVR |
Supply Voltage Rejection |
IO = 40 mA |
f = 120Hz |
TJ = 25°C |
60 |
75 |
|
dB |
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Vin = 5.5 V Vripple = 1 VPP |
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Vd |
Dropout Voltage |
IO = 100 mA |
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1 |
1.1 |
V |
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IO = 500 mA |
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1.05 |
1.15 |
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IO = 800 mA |
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1.10 |
1.2 |
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Thermal Regulation |
Ta = 25°C |
30ms Pulse |
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|
0.01 |
0.1 |
%/W |
4/24
LD1117 SERIES
ELECTRICAL CHARACTERISTICS OF LD1117#25 (refer to the test circuits, TJ = 0 to 125°C, CO = 10 µF unless otherwise specified)
Symbol |
Parameter |
|
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
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VO |
Output Voltage |
Vin = 4.5 V |
IO = 10 mA |
TJ = 25°C |
2.475 |
2.5 |
2.525 |
V |
|
VO |
Output Voltage |
IO = 0 to 800 mA |
Vin = 3.9 to 10 V |
2.45 |
|
2.55 |
V |
||
VO |
Line Regulation |
Vin = 3.9 to 10 V |
IO = 0 mA |
|
1 |
6 |
mV |
||
VO |
Load Regulation |
Vin = 3.9 V |
|
IO = 0 to 800 mA |
|
1 |
10 |
mV |
|
VO |
Temperature Stability |
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|
0.5 |
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% |
VO |
Long Term Stability |
1000 hrs, TJ = 125°C |
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|
0.3 |
|
% |
||
Vin |
Operating Input Voltage |
IO = 100 mA |
|
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|
15 |
V |
Id |
Quiescent Current |
Vin ≤ 10 V |
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|
5 |
10 |
mA |
IO |
Output Current |
Vin = 7.5 V |
TJ = 25°C |
|
800 |
950 |
1300 |
mA |
|
eN |
Output Noise Voltage |
B =10Hz to 10KHz |
TJ = 25°C |
|
100 |
|
μV |
||
SVR |
Supply Voltage Rejection |
IO = 40 mA |
f = 120Hz |
TJ = 25°C |
60 |
75 |
|
dB |
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Vin = 5.5 V Vripple = 1 VPP |
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Vd |
Dropout Voltage |
IO = 100 mA |
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1 |
1.1 |
V |
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IO = 500 mA |
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1.05 |
1.15 |
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IO = 800 mA |
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1.10 |
1.2 |
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Thermal Regulation |
Ta = 25°C |
30ms Pulse |
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|
0.01 |
0.1 |
%/W |
ELECTRICAL CHARACTERISTICS OF LD1117#28 (refer to the test circuits, TJ = 0 to 125°C, CO = 10 µF unless otherwise specified)
Symbol |
Parameter |
|
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
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VO |
Output Voltage |
Vin = 4.85 V |
IO = 10 mA |
TJ = 25°C |
2.82 |
2.85 |
2.88 |
V |
|
VO |
Output Voltage |
IO = 0 to 800 mA |
Vin = 4.25 to 10 V |
2.79 |
|
2.91 |
V |
||
VO |
Line Regulation |
Vin = 4.25 to 10 V |
IO = 0 mA |
|
1 |
6 |
mV |
||
VO |
Load Regulation |
Vin = 4.25 V |
|
IO = 0 to 800 mA |
|
1 |
10 |
mV |
|
VO |
Temperature Stability |
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|
0.5 |
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% |
VO |
Long Term Stability |
1000 hrs, TJ = 125°C |
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|
0.3 |
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% |
||
Vin |
Operating Input Voltage |
IO = 100 mA |
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15 |
V |
Id |
Quiescent Current |
Vin ≤ 10 V |
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5 |
10 |
mA |
IO |
Output Current |
Vin = 7.85 V |
TJ = 25°C |
|
800 |
950 |
1300 |
mA |
|
eN |
Output Noise Voltage |
B =10Hz to 10KHz |
TJ = 25°C |
|
100 |
|
μV |
||
SVR |
Supply Voltage Rejection |
IO = 40 mA |
f = 120Hz |
TJ = 25°C |
60 |
75 |
|
dB |
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Vin = 5.85 V Vripple = 1 VPP |
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Vd |
Dropout Voltage |
IO = 100 mA |
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1 |
1.1 |
V |
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IO = 500 mA |
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1.05 |
1.15 |
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IO = 800 mA |
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1.10 |
1.2 |
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Thermal Regulation |
Ta = 25°C |
30ms Pulse |
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0.01 |
0.1 |
%/W |
5/24
LD1117 SERIES
ELECTRICAL CHARACTERISTICS OF LD1117#30 (refer to the test circuits, TJ = 0 to 125°C, CO = 10 µF unless otherwise specified)
Symbol |
Parameter |
|
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
||
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VO |
Output Voltage |
Vin = 5 V |
IO = 10 mA |
TJ = 25°C |
2.97 |
3 |
3.03 |
V |
|
VO |
Output Voltage |
IO = 0 to 800 mA |
Vin = 4.5 to 10 V |
2.94 |
|
3.06 |
V |
||
VO |
Line Regulation |
Vin = 4.5 to 12 V |
IO = 0 mA |
|
1 |
6 |
mV |
||
VO |
Load Regulation |
Vin = 4.5 V |
|
IO = 0 to 800 mA |
|
1 |
10 |
mV |
|
VO |
Temperature Stability |
|
|
|
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|
0.5 |
|
% |
VO |
Long Term Stability |
1000 hrs, TJ = 125°C |
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|
0.3 |
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% |
||
Vin |
Operating Input Voltage |
IO = 100 mA |
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15 |
V |
Id |
Quiescent Current |
Vin ≤ 12 V |
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5 |
10 |
mA |
IO |
Output Current |
Vin = 8 V |
TJ = 25°C |
|
800 |
950 |
1300 |
mA |
|
eN |
Output Noise Voltage |
B =10Hz to 10KHz |
TJ = 25°C |
|
100 |
|
μV |
||
SVR |
Supply Voltage Rejection |
IO = 40 mA |
f = 120Hz |
TJ = 25°C |
60 |
75 |
|
dB |
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|
Vin = 6 V |
Vripple = 1 VPP |
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||
Vd |
Dropout Voltage |
IO = 100 mA |
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1 |
1.1 |
V |
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IO = 500 mA |
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1.05 |
1.15 |
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IO = 800 mA |
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1.10 |
1.2 |
|
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Thermal Regulation |
Ta = 25°C |
30ms Pulse |
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|
0.01 |
0.1 |
%/W |
ELECTRICAL CHARACTERISTICS OF LD1117#33 (refer to the test circuits, TJ = 0 to 125°C, CO = 10 µF unless otherwise specified)
Symbol |
Parameter |
|
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
||
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|
|
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VO |
Output Voltage |
Vin = 5.3 V |
IO = 10 mA |
TJ = 25°C |
3.267 |
3.3 |
3.333 |
V |
|
VO |
Output Voltage |
IO = 0 to 800 mA |
Vin = 4.75 to 10 V |
3.235 |
|
3.365 |
V |
||
VO |
Line Regulation |
Vin = 4.75 to 15 V |
IO = 0 mA |
|
1 |
6 |
mV |
||
VO |
Load Regulation |
Vin = 4.75 V |
|
IO = 0 to 800 mA |
|
1 |
10 |
mV |
|
VO |
Temperature Stability |
|
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|
0.5 |
|
% |
VO |
Long Term Stability |
1000 hrs, TJ = 125°C |
|
|
0.3 |
|
% |
||
Vin |
Operating Input Voltage |
IO = 100 mA |
|
|
|
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|
15 |
V |
Id |
Quiescent Current |
Vin ≤ 15 V |
|
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|
|
5 |
10 |
mA |
IO |
Output Current |
Vin = 8.3 V |
TJ = 25°C |
|
800 |
950 |
1300 |
mA |
|
eN |
Output Noise Voltage |
B =10Hz to 10KHz |
TJ = 25°C |
|
100 |
|
μV |
||
SVR |
Supply Voltage Rejection |
IO = 40 mA |
f = 120Hz |
TJ = 25°C |
60 |
75 |
|
dB |
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Vin = 6.3 V Vripple = 1 VPP |
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|||
Vd |
Dropout Voltage |
IO = 100 mA |
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1 |
1.1 |
V |
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IO = 500 mA |
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1.05 |
1.15 |
|
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IO = 800 mA |
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1.10 |
1.2 |
|
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Thermal Regulation |
Ta = 25°C |
30ms Pulse |
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|
0.01 |
0.1 |
%/W |
6/24
LD1117 SERIES
ELECTRICAL CHARACTERISTICS OF LD1117#50 (refer to the test circuits, TJ = 0 to 125°C, CO = 10 µF unless otherwise specified)
Symbol |
Parameter |
|
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
||
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|
|
|
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|
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|
VO |
Output Voltage |
Vin = 7 V |
IO = 10 mA |
TJ = 25°C |
4.95 |
5 |
5.05 |
V |
|
VO |
Output Voltage |
IO = 0 to 800 mA |
Vin = 6.5 to 15 V |
4.9 |
|
5.1 |
V |
||
VO |
Line Regulation |
Vin = 6.5 to 15 V |
IO = 0 mA |
|
1 |
10 |
mV |
||
VO |
Load Regulation |
Vin = 6.5 V |
|
IO = 0 to 800 mA |
|
1 |
15 |
mV |
|
VO |
Temperature Stability |
|
|
|
|
|
0.5 |
|
% |
VO |
Long Term Stability |
1000 hrs, TJ = 125°C |
|
|
0.3 |
|
% |
||
Vin |
Operating Input Voltage |
IO = 100 mA |
|
|
|
|
|
15 |
V |
Id |
Quiescent Current |
Vin ≤ 15 V |
|
|
|
|
5 |
10 |
mA |
IO |
Output Current |
Vin = 10 V |
TJ = 25°C |
|
800 |
950 |
1300 |
mA |
|
eN |
Output Noise Voltage |
B =10Hz to 10KHz |
TJ = 25°C |
|
100 |
|
μV |
||
SVR |
Supply Voltage Rejection |
IO = 40 mA |
f = 120Hz |
TJ = 25°C |
60 |
75 |
|
dB |
|
|
|
Vin = 8 V |
Vripple = 1 VPP |
|
|
|
|
||
Vd |
Dropout Voltage |
IO = 100 mA |
|
|
|
|
1 |
1.1 |
V |
|
|
IO = 500 mA |
|
|
|
|
1.05 |
1.15 |
|
|
|
IO = 800 mA |
|
|
|
|
1.10 |
1.2 |
|
|
Thermal Regulation |
Ta = 25°C |
30ms Pulse |
|
|
0.01 |
0.1 |
%/W |
ELECTRICAL CHARACTERISTICS OF LD1117 (ADJUSTABLE) (refer to the test circuits, TJ = 0 to 125°C, C O = 10 µF unless otherwise specified)
Symbol |
Parameter |
|
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
||
|
|
|
|
|
|
|
|
||
Vref |
Reference Voltage |
Vin - VO = 2 V IO = 10 mA |
TJ = 25°C |
1.238 |
1.25 |
1.262 |
V |
||
Vref |
Reference Voltage |
IO = 10 to 800 mA |
Vin - VO= 1.4 to 10 V |
1.225 |
|
1.275 |
V |
||
VO |
Line Regulation |
Vin - VO = 1.5 to 13.75 V |
IO = 10 mA |
|
0.035 |
0.2 |
% |
||
VO |
Load Regulation |
Vin - VO = 3 V |
IO = 10 to 800 mA |
|
0.1 |
0.4 |
% |
||
VO |
Temperature Stability |
|
|
|
|
|
0.5 |
|
% |
VO |
Long Term Stability |
1000 hrs, TJ = 125°C |
|
|
0.3 |
|
% |
||
Vin |
Operating Input Voltage |
|
|
|
|
|
|
15 |
V |
Iadj |
Adjustment Pin Current |
Vin ≤ 15 V |
|
|
|
|
60 |
120 |
µA |
Iadj |
Adjustment Pin Current |
Vin - VO = 1.4 to 10 V |
|
|
1 |
5 |
µA |
||
|
Change |
IO = 10 to 800 mA |
|
|
|
|
|
|
|
IO(min) |
Minimum Load Current |
Vin = 15 V |
|
|
|
|
2 |
5 |
mA |
IO |
Output Current |
Vin - VO = 5 V |
TJ = 25°C |
800 |
950 |
1300 |
mA |
||
eN |
Output Noise (%VO) |
B =10Hz to 10KHz |
TJ = 25°C |
|
0.003 |
|
% |
||
SVR |
Supply Voltage Rejection |
IO = 40 mA |
f = 120Hz |
TJ = 25°C |
60 |
75 |
|
dB |
|
|
|
Vin - VO = 3 V |
Vripple = 1 VPP |
|
|
|
|
||
Vd |
Dropout Voltage |
IO = 100 mA |
|
|
|
|
1 |
1.1 |
V |
|
|
IO = 500 mA |
|
|
|
|
1.05 |
1.15 |
|
|
|
IO = 800 mA |
|
|
|
|
1.10 |
1.2 |
|
|
Thermal Regulation |
Ta = 25°C |
30ms Pulse |
|
|
0.01 |
0.1 |
%/W |
7/24
LD1117 SERIES
ELECTRICAL CHARACTERISTICS OF LD1117#18C (refer to the test circuits, TJ = -40 to 125°C, CO = 10 µF unless otherwise specified)
Symbol |
Parameter |
|
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
||
|
|
|
|
|
|
|
|
|
|
VO |
Output Voltage |
Vin = 3.8 V |
IO = 10 mA |
TJ = 25°C |
1.76 |
1.8 |
1.84 |
V |
|
VO |
Output Voltage |
IO = 0 to 800 mA |
Vin = 3.9 to 10 V |
1.73 |
|
1.87 |
V |
||
VO |
Line Regulation |
Vin = 3.3 to 8 V |
IO = 0 mA |
|
1 |
30 |
mV |
||
VO |
Load Regulation |
Vin = 3.3 V |
|
IO = 0 to 800 mA |
|
1 |
30 |
mV |
|
VO |
Temperature Stability |
|
|
|
|
|
0.5 |
|
% |
VO |
Long Term Stability |
1000 hrs, TJ = 125°C |
|
|
0.3 |
|
% |
||
Vin |
Operating Input Voltage |
IO = 100 mA |
|
|
|
|
|
10 |
V |
Id |
Quiescent Current |
Vin ≤ 8 V |
|
|
|
|
5 |
10 |
mA |
IO |
Output Current |
Vin = 6.8 V |
TJ = 25°C |
|
800 |
950 |
1300 |
mA |
|
eN |
Output Noise Voltage |
B =10Hz to 10KHz |
TJ = 25°C |
|
100 |
|
μV |
||
SVR |
Supply Voltage Rejection |
IO = 40 mA |
f = 120Hz |
TJ = 25°C |
60 |
75 |
|
dB |
|
|
|
Vin = 5.5 V Vripple = 1 VPP |
|
|
|
|
|||
Vd |
Dropout Voltage |
IO = 100 mA |
|
TJ = 0 to 125°C |
|
1 |
1.1 |
V |
|
|
|
IO = 500 mA |
|
TJ = 0 to 125°C |
|
1.05 |
1.15 |
|
|
|
|
IO = 800 mA |
|
TJ = 0 to 125°C |
|
1.10 |
1.2 |
|
|
Vd |
Dropout Voltage |
IO = 100 mA |
|
|
|
|
|
1.1 |
V |
|
|
IO = 500 mA |
|
|
|
|
|
1.2 |
|
|
|
IO = 800 mA |
|
|
|
|
|
1.3 |
|
|
Thermal Regulation |
Ta = 25°C |
30ms Pulse |
|
|
0.01 |
0.1 |
%/W |
ELECTRICAL CHARACTERISTICS OF LD1117#25C (refer to the test circuits, TJ = -40 to 125°C, CO = 10 µF unless otherwise specified)
Symbol |
Parameter |
|
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
||
|
|
|
|
|
|
|
|
|
|
VO |
Output Voltage |
Vin = 4.5 V |
IO = 10 mA |
TJ = 25°C |
2.45 |
2.5 |
2.55 |
V |
|
VO |
Output Voltage |
IO = 0 to 800 mA |
Vin = 3.9 to 10 V |
2.4 |
|
2.6 |
V |
||
VO |
Line Regulation |
Vin = 3.9 to 10 V |
IO = 0 mA |
|
1 |
30 |
mV |
||
VO |
Load Regulation |
Vin = 3.9 V |
|
IO = 0 to 800 mA |
|
1 |
30 |
mV |
|
VO |
Temperature Stability |
|
|
|
|
|
0.5 |
|
% |
VO |
Long Term Stability |
1000 hrs, TJ = 125°C |
|
|
0.3 |
|
% |
||
Vin |
Operating Input Voltage |
IO = 100 mA |
|
|
|
|
|
15 |
V |
Id |
Quiescent Current |
Vin ≤ 10 V |
|
|
|
|
5 |
10 |
mA |
IO |
Output Current |
Vin = 7.5 V |
TJ = 25°C |
|
800 |
950 |
1300 |
mA |
|
eN |
Output Noise Voltage |
B =10Hz to 10KHz |
TJ = 25°C |
|
100 |
|
μV |
||
SVR |
Supply Voltage Rejection |
IO = 40 mA |
f = 120Hz |
TJ = 25°C |
60 |
75 |
|
dB |
|
|
|
Vin = 5.5 V Vripple = 1 VPP |
|
|
|
|
|||
Vd |
Dropout Voltage |
IO = 100 mA |
|
TJ = 0 to 125°C |
|
1 |
1.1 |
V |
|
|
|
IO = 500 mA |
|
TJ = 0 to 125°C |
|
1.05 |
1.15 |
|
|
|
|
IO = 800 mA |
|
TJ = 0 to 125°C |
|
1.10 |
1.2 |
|
|
Vd |
Dropout Voltage |
IO = 100 mA |
|
|
|
|
|
1.1 |
V |
|
|
IO = 500 mA |
|
|
|
|
|
1.2 |
|
|
|
IO = 800 mA |
|
|
|
|
|
1.3 |
|
|
Thermal Regulation |
Ta = 25°C |
30ms Pulse |
|
|
0.01 |
0.1 |
%/W |
|
8/24 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|