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NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
GENERAL DESCRIPTION
The L1117G Series are positive and low drop- out three-terminal voltage regulators with 1A output current capability. These devices are designed for use in low voltage applica- tions that offers lower dropout voltage and faster transient response. These devices are fully protected against over current faults, over temperature operation, reversed input polarity, reversed lead insertion, transient voltage spike ...etc. On-Chips trimming the reference voltage to 2% and features the low dropout of maximum 1.45 volts. The L1117G Series regulators offer fixed and adjustable voltage options available in the popular industry standard SOT-223, TO-220, TO-252 and TO-263 packages.
FEATURES
Fixed 1.8V, 2.5V, 2.85V, 3.3V, 5V or adjustable output voltage Low dropout voltage: 1.2V typical at up to 1A Low ground current Fast transient response Current & thermal limiting Line regulation: 0.5% typical Load regulation: 0.5% typical SOT-223,TO-220,TO-252,TO-263 package
APPLICATIONS
2.85V active SCSI terminators 7-15V to 5V linear regulators 5V to 2.5V or 3.3V linear regulators Low voltage micro-controllers Battery Chargers Motherboard clock supplies Post regulator for switching supplies Micro-controllers
ABSOLUTE MAXIMUM RATINGS
Maximum Supply Voltage Power Dissipation Thermal Resistance Junction to Case, JC Thermal Resistance Junction to Ambient, JA SOT-223 TO-252 TO-220 TO-263 15V* Internally Limited 16 C/W Operating Junction Temperature Range Storage Temperature Range Lead Temperature (Soldering, 10 Seconds) 0 to 125 C -40 to 150 C 260 C
158 C/W 70 C/W 50 C/W 60 C/W
* When considering short circuits to ground, the maximum input-to-output differential voltage shall not be allowed greater than approximate 2~3V at values of supply voltage in excess of 10V, continuous short-circuits can exceed the power dissipation ratings and cause eventual destruction.
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Jun-29-2004
NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
ELECTRICAL CHARACTERISTICS for ADJUSTABLE(Unless otherwise specified, TA = 25C)
Parameter Symbol Test Conditions Typical 1.25V VO 1.2V 0.5% 0.5% 10mA 55A 1.2A 0.003% of VOUT 72dB 100A 1.1A (Min) Limits 1.23VMin 1.27VMax 0.98VO(Min) 1.02VO(Max) 1.45V 2% 2.5%
Reference Voltage (Adjustable version) VREF VIN = 5V, IOUT = 10mA Output Voltage VO VIN = 5V, IOUT = 10mA (Fixed version) Dropout Voltage VD G VREF = 1%, IOUT = 1A Line Regulation REG(LINE) (VOUT + 1.5V) VIN 15V, IOUT = 10mA Load Regulation REG(LOAD) (VIN -VOUT) = 2V, 10mA IOUT 1A
Minimum Load Current
IO IADJ ICL VN RA
1.5V (VIN -VOUT) 5.75V VIN - VOUT = 2V
Adjust Pin Current Current Limit RMS Output Noise Ripple Rejection Ratio
f = 120Hz, CADJ = 22F for ADJ pin, VIN = 5V, IOUT = 1A
60dB (Min)
ELECTRICAL CHARACTERISTICS for L1117G-1.8(Unless otherwise specified, TA = 25 C) Parameter Output Voltage (Fixed version) Dropout Voltage Line Regulation Load Regulation Quiescent Current Current Limit RMS Output Noise Ripple Rejection Ratio Symbol VO Test Conditions VIN = 5V, IOUT = 10mA Typical VO 1.2V 0.5% 0.5% 5mA 1.2A 0.003% of VOUT 72dB Limits 1.764V(Min) 1.836V(Max) 1.45V 2.0% 2.0% 10mA 1.1A (Min)
VD G VO = 1%, IOUT = 1A REG(LINE) (VOUT + 1.5V) VIN 15V, IOUT = 10mA REG(LOAD) (VIN -VOUT) = 2V, 10mA IOUT 1A IQ ICL VIN - VOUT = 2V VN RA f = 120Hz, Co=22F,VIN = 5V, IOUT = 1A
60dB (Min)
2
Jun-29-2004
NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
ELECTRICAL CHARACTERISTICS for L1117G-2.5(Unless otherwise specified, TA = 25 C) Parameter Output Voltage (Fixed version) Dropout Voltage Line Regulation Load Regulation Quiescent Current Current Limit RMS Output Noise Ripple Rejection Ratio Symbol VO Test Conditions VIN = 5V, IOUT = 10mA Typical VO 1.2V 0.5% 0.5% 5mA 1.2A 0.003% of VOUT 72dB Limits 2.45V(Min) 2.55V(Max) 1.45V 2.0% 2.0% 10mA 1.1A (Min)
VD G VO = 1%, IOUT = 1A REG(LINE) (VOUT + 1.5V) VIN 15V, IOUT = 10mA REG(LOAD) (VIN -VOUT) = 2V, 10mA IOUT 1A IQ ICL VIN - VOUT = 2V VN RA f = 120Hz, Co=22F,VIN = 5V, IOUT = 1A
60dB (Min)
ELECTRICAL CHARACTERISTICS for L1117G-2.85(Unless otherwise specified, TA = 25 C) Parameter Output Voltage (Fixed version) Dropout Voltage Line Regulation Load Regulation Quiescent Current Current Limit RMS Output Noise Ripple Rejection Ratio Symbol VO Test Conditions VIN = 5V, IOUT = 10mA Typical VO 1.2V 0.5% 0.5% 5mA 1.2A 0.003% of VOUT 72dB Limits 2.793V(Min) 2.907V(Max) 1.45V 2.0% 2.0% 10mA 1.1A (Min)
VD G VO = 1%, IOUT = 1A REG(LINE) (VOUT + 1.5V) VIN 8V, IOUT = 10mA REG(LOAD) (VIN -VOUT) = 2V, 10mA IOUT 1A IQ ICL VIN - VOUT = 2V VN RA f = 120Hz, Co=22F,VIN = 5V, IOUT = 1A
60dB (Min)
3
Jun-29-2004
NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
ELECTRICAL CHARACTERISTICS for L1117G-3.3(Unless otherwise specified, TA = 25 C) Parameter Output Voltage (Fixed version) Dropout Voltage Line Regulation Load Regulation Quiescent Current Current Limit RMS Output Noise Ripple Rejection Ratio Symbol VO Test Conditions VIN = 5V, IOUT = 10mA Typical VO 1.2V 0.5% 0.5% 5mA 1.2A 0.003% of VOUT 72dB Limits 3.234V(Min) 3.367V(Max) 1.45V 2.0% 2.0% 10mA 1.1A (Min)
VD G VO = 1%, IOUT = 1A REG(LINE) (VOUT + 1.5V) VIN 15V, IOUT = 10mA REG(LOAD) (VIN -VOUT) = 2V, 10mA IOUT 1A IQ ICL VIN - VOUT = 2V VN RA f = 120Hz, Co=22F,VIN = 5V, IOUT = 1A
60dB (Min)
ELECTRICAL CHARACTERISTICS for L1117G-5(Unless otherwise specified, TA = 25 C) Parameter Output Voltage (Fixed version) Dropout Voltage Line Regulation Load Regulation Quiescent Current Current Limit RMS Output Noise Ripple Rejection Ratio Symbol VO Test Conditions VIN = 8V, IOUT = 10mA Typical VO 1.2V 0.5% 0.5% 5mA 1.2A 0.003% of VOUT 72dB Limits 4.90V(Min) 5.10V(Max) 1.45V 1.0% 1.0% 10mA 1.1A (Min)
VD G VO = 1%, IOUT = 1A REG(LINE) (VOUT + 1.5V) VIN 15V, IOUT = 10mA REG(LOAD) (VIN -VOUT) = 2V, 10mA IOUT 1A IQ ICL VIN - VOUT = 2V VN RA f = 120Hz, Co=22F,VIN = 8V, IOUT = 1A
60dB (Min)
DEVICE SELECTION GUIDE
Device Voltage Version Package Marking
L1117XG ADJ Any package L1117XG L1117XG-1.8 1.8 Any package L1117XG-1.8 L1117XG-2.5 2.5 Any package L1117XG-2.5 L1117XG-2.85 L1117XG-3.3 L1117XG-5 2.85 3.3 5 Any package Any package Any package L1117XG-2.85 L1117XG-3.3 L1117XG-5
4
Jun-29-2004
NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
DEVICE L1117XG L1117XG-1.8 L1117XG-2.5 L1117XG-2.85 L1117XG-3.3 L1117XG-5
PACKAGE L, D, S, T L, D, S, T L, D, S, T L, D, S, T L, D, S, T L, D, S, T
MARKING L1117XG L1117XG-1.8 L1117XG-2.5 L1117XG-2.85 L1117XG-3.3 L1117XG-5 L :SOT-223 D :TO-252 S :TO-263 T :TO-220
Orders for parts with Lead-Free plating can be placed using the LXXXXXG-XX parts name.
TYPICAL APPLICATION
Vin
Vin IN
L1117
OUT ADJ Vref
Vout
4.3v-8V
IN
O UT
L1117-2.85
G ND
R1
+
Cin 10uF
+
Cout 10uF
Cin 10uF
+
Cout 22uF
+
18~27 Lines
Iadj
R2
Vo = Vref (1+R2/R1) + Iadj x R2 1. Cin needed if device is far from from filter capacitors. 2. Cout required for stability.
- Basic Adjustable Regulator Circuit -
- Active SCSI Bus Terminators -
5
Jun-29-2004
NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
Vin > 4.75V IN
Vout=3.3V
Vin > 4.00V IN
Vout=2.5V
L1117-3.3
OUT
L1117-2.5
OUT
Cin 10uF
GND
+
Cout 22uF
+
Cin 10uF
GND
+
Cout 22uF
+
Basic Fixed Output Regulator Circuit
Vin>6.5V
IN OUT
Basic Fixed Output Regulator Circuit
Vin>3.3V
IN
Vout=5V
Vout=1.8V
L1117-5
Cin 10uF GND
+
L1117-1.8
GND
OUT
Cout 22uF
+
Cin 10uF
+
Cout 22uF
+
Basic Fixed Output Regulator Circuit
Basic Fixed Output Regulator Circuit
6
Jun-29-2004
NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
Typical Performance Characteristics
7
Jun-29-2004
NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
Load Transient
Vout=1.8V,Vin=3.3V,Iout=105mA/800mA Cin=10F,Cout=10F Load Transient Load Transient
Vout=2.5V,Vin=4V,Iout=105mA/800mA Cin=10F,Cout=10F Load Transient
Vout=2.85V,Vin=4.35V,Iout=105mA/800mA Cin=10F,Cout=10F Load Transient
Vout=3.3V,Vin=4.8V,Iout=105mA/800mA Cin=10F,Cout=10F
Vout=5V,Vin=6.5V,Iout=105mA/800mA Cin=10F,Cout=10F
8
Jun-29-2004
NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
PIN CONFIGURATIONS
Pin # 1 2 3
Function Adjust/Ground Output Input
Note: TAB is Output Pin
9
Jun-29-2004
NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
SOT-223 MECHANICAL DATA
mm Dimension A B C D E F G Min. 0.67 6.7 2.9 2.27 4.57 1.5 6.3 Typ. 0.7 7 3 2.3 4.6 1.6 6.5 Max. 0.73 7.3 3.1 2.33 4.63 1.7 6.7 Dimension H I J K L M N 0 0.03 Min. 3.3 0.63 mm Typ. 3.5 0.65 0.32 Max. 3.7 0.67 0.4 10 0.1
10
Jun-29-2004
NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
TO-252 (DPAK) MECHANICAL DATA
mm Dimension A B C D E F G Min. 9.35 2.2 0.48 0.89 0.45 0.03 6 Typ. Max. 10.1 2.4 0.6 1.5 0.6 0.23 6.2 Dimension H I J K L M N 6.4 5.2 0.6 0.64 4.4 Min. mm Typ. 0.8 6.6 5.4 1 0.9 4.6 Max.
11
Jun-29-2004
NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
TO-220 (3-Lead) MECHANICAL DATA
mm Dimension A B C D E F G 28.5 14.6 8.4 0.72 Min. 9.78 2.61 Typ. 10.16 2.74 20 28.9 15.0 8.8 0.8 29.3 15.4 9.2 0.88 Max. 10.54 2.87 Dimension H I J K L M N Min. 2.4 1.19 4.4 1.14 2.3 0.26 mm Typ. 2.54 1.27 4.6 1.27 2.6 0.46 7 Max. 2.68 1.35 4.8 1.4 2.9 0.66
12
Jun-29-2004
NIKO-SEM
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)
L1117XG Series
SOT-223, TO-252, TO-220,TO-263 Lead-Free
TO-263 (D2PAK) MECHANICAL DATA
mm Dimension A B C D E F G 0.3 -0.102 8.5 9 Min. 14.5 4.2 1.20 2.8 0.4 0.5 0.203 9.5 Typ. 15 Max. 15.8 4.7 1.35 Dimension H I J K L M N 0.7 4.83 5.08 Min. 1.0 9.8 6.5 1.5 1.4 5.33 mm Typ. 1.5 Max. 1.8 10.3
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Jun-29-2004

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