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1A LOW DROPOUT LINEAR REGULATOR
FSP1117
FEATURES
Low Dropout Voltage: 1.15V at 1A Output Current Trimmed Current Limit On-chip Thermal Shutdown Three-terminal Adjustable or Fixed 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5.0V
GENERAL DESCRIPTION
The FSP1117 is a series of low dropout three-terminal regulators with a dropout of 1.15V at 1A output current. The FSP1117 series provides current limiting and thermal shutdown. Its circuit includes a trimmed bandgap reference to assure output voltage accuracy to be within 1% for 1.5V, 1.8V, 2.5V, 3.3.V, 5.0V and adjustable versions or 2% for 1.2V version. Current limit is trimmed to ensure specified output current and controlled short-circuit current. On-chip thermal shutdown provides protection against any combination of overload and ambient temperature that would create excessive junction temperature. The FSP1117 has an adjustable version that can provide the output voltage from 1.25V to 12V with only two external resistors. The FSP1117 series is available in the industry standard TO220-3L, TO263-3L, TO252-2L and SOT223 power packages. (3) TO252-2L
VIN VOUT ADJ/GND 3 2 1 Metal Tab VOUT VOUT ADJ/GND VIN
APPLICATIONS
PC Motherboard LCD Monitor Graphic Card DVD-video player NIC/Switch Telecom Equipment ADSL Modem Printer and other Peripheral Equipment
PIN CONFIGURATION
(1) TO220-3L
3 2 1 Metal Tab VOUT VIN VOUT ADJ/GND
(2) TO263-3L
3 2 1 Metal Tab VOUT
(4) SOT223
3 2 1 Metal Tab VOUT VIN VOUT ADJ/GND
BLOCK DIAGRAM
3 INPUT
For Adjustable Output, disconnect A1 and A2, connect B For Fixed Output,connect A1 and A2, disconnect B
A1 B
A2 1 ADJ/GND
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+
Thermal Protection
2 OUTPUT
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1A LOW DROPOUT LINEAR REGULATOR
FSP1117
ABSOLUTE MAXIMUM RATINGS (NOTE 1)
Symbol Parameter Rating Unit VIN Input Voltage 20 V TJ Maximum Junction Temperature 150 TS Storage Temperature -65~150 TLEAD Lead Temperature (10 sec.) 300 ESD ESD (Machine Model) 600 V Note 1: Stresses greater than those listed under"Absolute Maximum Ratings" may cause permanent damage to the device. These are stress rating only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
Symbol VIN TJ Parameter Input Voltage Operating Junction Temperature Range Rating 15 -40~125 Unit V
ELECTRICAL CHARACTERISTICS
Operating Conditions: VIN10V, TJ=25, unless otherwise specified Parameter Reference Voltage Symbol VREF FSP1117 -adj FSP1117 -1.2 FSP1117 -1.5 FSP1117 -1.8 Output Voltage VOUT FSP1117 -2.5 FSP1117 -3.3 FSP1117 -5.0 RegLINE Line Regulation VOUT FSP1117 -adj FSP1117 -1.2/1.5/1.8/2.5/ 3.3 FSP1117 -5.0 FSP1117 -adj Test Condition IO=10mA, VIN-VOUT=2V IO=10mA~1A,1.4VVIN-VOUT8 V IO=10mA, VIN=3.2V IO=10mA~1A, 3VVIN10V IO=10mA, VIN=3.5V IO=10mA~1A, 3VVIN10V IO=10mA, VIN=3.8V IO=10mA~1A, 3.2VVIN10V IO=10mA, VIN=4.5V IO=10mA~1A, 3.9VVIN10V IO=10mA, VIN=5.0V IO=10mA~1A, 4.75VVIN10V IO=10mA, VIN=7.0V IO=10mA~1A, 6.5VVIN12V IO=10mA,1.5VVIN-VOUT10V, IO=10mA,1.5VVIN-VOUT10V IO=10mA,1.5VVIN-VOUT10V IO=10mA~1A, VIN-VOUT=2V IO=10mA~1A, VIN-VOUT=2V VREF=1%,IOUT=0.1A VREF=1%,IOUT=0.5A VREF=1%,IOUT=1.0A VOUT=1%,IOUT=0.1A VOUT=1%,IOUT=0.5A VOUT=1%,IOUT=1.0A VIN-VOUT=2V Min. 1.238 1.225 1.176 1.152 1.485 1.470 1.782 1.746 2.475 2.450 3.267 3.235 4.950 4.900 Typ. 1.250 1.250 1.2 1.2 1.5 1.5 1.8 1.8 2.5 2.5 3.3 3.3 5.0 5.0 0.035 1 1 0.2 0.1 1.00 1.08 1.15 1.00 1.08 1.15 1.35 Max. 1.262 1.270 1.224 1.248 1.515 1.530 1.818 1.854 2.525 2.550 3.333 3.365 5.050 5.100 0.2 6 10 0.4 0.3 1.1 1.18 1.25 1.1 1.18 1.25 Unit V V V V V V V V % mV mV % %
Load Regulation
RegLoad
FSP1117 -adj Dropout Voltage (VIN-VOUT)
V
Current Limit
ILIMT
1.25
A
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1A LOW DROPOUT LINEAR REGULATOR
FSP1117
ELECTRICAL CHARACTERISTICS (CONTINUED)
Operating Conditions: VIN10V, TJ=25, unless otherwise specified Parameter Adjust Pin Current Adjust Pin Current Change Minimum Load Current(ADJ) Quiescent Current Ripple Rejection Temperature Stability Long-term Stability RMS Output Noise (% of VOUT) Thermal Resistance, Junction to case Thermal Shutdown Thermal Shutdown Hysteresis JC Symbol Test Condition IO=10mA~1A, 1.5VVIN-VOUT10V IO=10mA~1A, 1.4VVIN-VOUT10V FSP1117 E 1.5VVIN-VOUT10V FSP1117 VIN=VOUT+1.25V f=120Hz,COUT=22uF Tantalum, VIN-VOUT=3V, IOUT=1A TA=125, 1000hrs TA=25, 10Hzf10kHz SOT223 TO252-2L TO220-3L TO263-3L Junction Temperature Min. Typ. 60 0.2 1.7 5 5 75 0.5 0.3 0.003 15 10 4.5 4 150 25 Max. 120 5 5 10 10 Unit A A mA mA mA dB % % % / W
60
TYPICAL APPLICATIONS
FSP1117-ADJ Vin 10F Tantalum
+
Vin ADJ
Vout R1
+
Vout 22F Tantalum
R2 Vout=Vref*(1+R2/R1)+Iadj*R2
Vin 10F Tantalum
+
FSP1117-5.0 Vin GND Vout
+
Vout 22F Tantalum
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FSP1117
TYPICAL PERFORMANCE CHARACTERISTICS
1.2 Dropout Voltage (V) 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.2 0.4 0.6 0.8 Output Current (A) 1.0 TA=125 Dropout Voltage vs Output Current
0.2 Output Voltage Deviation (%) Load Regulation vs Junction Temperature FSP1117-ADJ 0.1 0.0 -0.1 -0.2 -50
TA=0 TA=25
-25
0 25 50 75 100 Junction Temperature ()
125
Reference Voltage vs Junction Temperature 1.280 1.275 Reference Voltage (V)
Output Voltage (V)
3.40 3.35 3.30 3.25 3.20 3.15 3.10 -50
Output Voltage vs Junction Temperature
1.270 1.265 1.260 1.255 1.250 1.245 1.240 1.235 -50 -25 0 25 50 75 100 125 Junction Temperature ()
FSP1117-3.3V
-25
0 25 50 75 100 Junction Temperature ()
125
5 Minimum Load Current (mA) 4 3 2 1 0
Minimum Load Current vs Junction Temperature
Adjust Pin Current vs Junction Temperature 90 Adjust Pin Current (A) 80 70 60 50 40 30 20 10 0 -50 -25 0 25 50 75 100 125 Junction Temperature ()
-50
-25
0 25 50 75 100 Junction Temperature ()
125
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FSP1117
TYPICAL PERFORMANCE CHARACTERISTICS (CONTINUED)
2.0 Short-Circuit Current (A) 1.8 7.5 1.6 1.4 1.2 1.0 -50 Power (W) SOT223 5.0 2.5 0.0 25 Short-Circuit Current vs Junction Temperature 10.0 Maximum Power Dissipation
-25
0 25 50 75 100 Junction Temperature ()
125
50 75 100 Case Temperature (
125
Line Transient Response
Ripple Rejection vs Frequency 70 Ripple Rejection (dB) 60 50 40 30 20
Load Transient Response
10
100
10k 1k Frequency (Hz)
100k
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FSP1117
ORDERING INFORMATION
FSP1117XXXX Package: T:TO220-3L K:TO263-3L D:TO252-2L E:SOT223 Output Voltage: Blank: ADJ 12: 1.2V 15: 1.5V 18: 1.8V 25: 2.5V 33: 3.3V 50: 5.0V Temperature Grade: Packing: Blank: Tube or Bulk Blank:0~70 A: Tape & Reel E:-40~125
MARKING INFORMATION
(1)TO220-3L (2) TO263-3L
Logo
Logo
1117-VV
YYWWXX
Part Number: 1117-ADJ: ADJ 1117-12: 1.2V 1117-15: 1.5V 1117-18: 1.8V 1117-25: 2.5V 1117-33: 3.3V 1117-50: 5.0V Internal Code Date Code: YY: Year (01=2001) WW: Nth week (01~52)
1117-VV
YYWWXX
Part Number: 1117-ADJ: ADJ 1117-12: 1.2V 1117-15: 1.5V 1117-18: 1.8V 1117-25: 2.5V 1117-33: 3.3V 1117-50: 5.0V Internal Code Date Code: YY: Year (01=2001) WW: Nth week (01~52)
(3) TO252-2L
(4) SOT223
Logo
1117-VV
YYWWXX
Part Number: 1117-ADJ: ADJ 1117-12: 1.2V 1117-15: 1.5V 1117-18: 1.8V 1117-25: 2.5V 1117-33: 3.3V 1117-50: 5.0V Internal Code Date Code: YY: Year (01=2001) WW: Nth week (01~52)
Logo
17-VV
YYWWXX
Part number 17-ADJ: ADJ 17-12: 1.2V 17-15: 1.5V 17-18: 1.8V 17-25: 2.5V 17-33: 3.3V 17-50: 5.0V Internal code Date code: YY: Year (01=2001) WW: Nth week (01~52)
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FSP1117
PACKAGE INFORMATION
(1) TO220-3L
E
P
A F
Q
H1
SEATING PLANE
D
e e1
b
L
b1
L1
C
J1
Symbol A b1 b C D E e e1 F H1 J1 L L1 P Q
Min. 3.55 1.14 0.51 0.31 14.20 9.70 2.29 4.83 0.51 5.84 2.03 12.72 3.66 3.53 2.54
Dimensions In Millimeters Nom. Max. 4.20 4.85 1.46 1.78 0.83 1.14 0.72 1.14 15.35 16.50 10.20 10.70 2.54 2.79 5.08 5.33 0.95 1.40 6.35 6.86 2.48 2.92 13.72 14.72 5.00 6.35 3.81 4.09 2.98 3.43
Min. 0.140 0.045 0.020 0.012 0.559 0.382 0.090 0.190 0.020 0.230 0.080 0.501 0.144 0.139 0.100
Dimensions In Inches Nom. 0.165 0.057 0.033 0.028 0.604 0.402 0.100 0.200 0.037 0.250 0.098 0.540 0.197 0.150 1.117
Max. 0.191 0.070 0.045 0.045 0.650 0.421 0.110 0.210 0.055 0.270 0.115 0.580 0.250 0.161 0.135
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FSP1117
(2) TO263-3L
10.9
E
L2
D
9.1
L
e
1.3
b b2
2.54
Land Pattern Recommendation (Unit : mm)
3
15.7
Symbol A b b2 C C2 D E e L L1 L2
Dimensions In Millimeters Nom. Max. 4.45 4.83 0.75 0.99 1.27 1.40 0.38TYP. 1.14 1.27 1.40 8.65 9.15 9.65 9.65 9.97 10.29 2.54BSC. 14.61 15.24 15.88 2.28 2.54 2.80 1.30 2.92 Min. 4.06 0.51 1.14
Min. 0.160 0.020 0.045 0.045 0.341 0.380 0.575 0.090
Dimensions In Inches Nom. 0.175 0.030 0.050 0.015TYP. 0.050 0.360 0.393 0.100BSC. 0.600 0.100 0.051
C2
L1
A
Max. 0.190 0.039 0.055 0.055 0.380 0.405 0.625 0.110 0.115
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FSP1117
(3) TO252-2L
5.6
E b2 L2
5.6 11.0
2.25
L1
2.0
1.2
b e1
e
Land Pattern Recommendation (Unit : mm)
H C1 L
7.2
D
C A1
SEATING PLANE
SEE NOTE2
Notes: 1. JEDEC Outline:TO-252 AB 2. Mils suggested for positive contact at mounting
Symbol A A1 b b2 C C1 D E e e1 H L L1 L2 Dimensions In Millimeters Nom. Max. 2.29 2.39 1.15 1.27 0.61TYP. 5.35 5.50 0.52 0.58 0.52 0.58 5.57 5.80 6.58 6.80 2.25BSC. 4.50BSC. 9.70 10.40 0.83 1.78 1.02 2.03 Dimensions In Inches Nom. 0.090 0.045 0.024TYP. 0.211 0.020 0.020 0.219 0.259 0.089BSC. 0.177BSC. 0.382 0.033 0.070
Min. 2.18 1.02 5.20 0.46 0.46 5.33 6.35 9.00 0.51 0.64 1.52
Min. 0.086 0.040 0.205 0.018 0.018 0.210 0.250 0.354 0.020 0.025 0.060
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A
Max. 0.094 0.050 0.217 0.023 0.023 0.228 0.268 0.409 0.040 0.080
1A LOW DROPOUT LINEAR REGULATOR
FSP1117
(4) SOT223
D B1
3.3
1.6
H
E
K
1.6
1.2
e
2.3
e1
Land Pattern Recommendation (Unit :mm)
A1 a
B
6.4
L Seating Plane
Symbol A A1 B B1 c D E e e1 H L K
Min. 1.50 0.02 0.60 2.90 0.28 6.30 3.30
Dimensions In Millimeters Nom. Max. 1.65 1.80 0.05 0.08 0.70 0.80 3.15(Ref.) 0.30 0.32 6.50 6.70 3.50 3.70 2.3Basic 4.6Basic 6.70 7.00 7.30 0.91 1.00 1.10 1.50 1.75 2.00 0 5 10 13
Min. 0.059 0.001 0.024 0.114 0.011 0.248 0.130 0.264 0.036 0.059 0
Dimensions In Inches Nom. 0.065 0.002 0.028 0.012 0.256 0.138 0.091Basic 0.181Basic 0.276 0.039 0.069 5 13
Max. 0.071 0.003 0.031 0.124(Ref.) 0.013 0.264 0.146 0.287 0.043 0.079 10
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C
A

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