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L1117 ETC1

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Manufacturer or author: Provided By www.digicamel.com(FREE DATASHEET DOWNLOAD SITE)
PDF pages: 10

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SOT-223, TO-252, TO-220,TO-263 1A Fixed and Adjustable Low Dropout Linear Regulator (LDO) JUL-27-2001 NIKO-SEM GENERAL DESCRIPTION The L1117 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 oper- ation, reversed input polarity, reversed lead insertion, transient voltage spike …etc. On-Chips trimming the reference voltage to 2% and features the low dropout of maxi- mum 1.45 volts. The L1117 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

z Fixed 2.5V, 2.85V, 3.3V, 5V or adjustable output voltage z Low dropout voltage: 1.2V typical at up to 1A z Low ground current z Fast transient response z Current & thermal limiting z Line regulation: 0.5% typical z Load regulation: 0.5% typical zSOT-223,TO-220,TO-252,TO-263 package

APPLICATIONS

z 2.85V active SCSI terminators z 8-15V to 5V linear regulators z 5V to 2.5V or 3.3V linear regulators z Low voltage micro-controllers z Battery Chargers z Motherboard clock supplies z Post regulator for switching supplies z Micro-controllers * 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. ABSOLUTE MAXIMUM RATINGS z Maximum Supply Voltage 15V* z Operating Junction Temperature Range 0 to 125 °C z Power Dissipation Internally Limited z Storage Temperature Range -40 to 150 °C z Thermal Resistance Junction to Case, θJC 16 °C/W z Lead Temperature (Soldering, 10 Seconds) 260 °C z Thermal Resistance Junction to Ambient, θJA SOT-223 TO-252 TO-220 TO-263 158 °C/W 70 °C/W 50 °C/W 60 °C/W

SOT-223, TO-252, TO-220,TO-263 1A Fixed and Adjustable Low Dropout Linear Regulator (LDO) JUL-27-2001 NIKO-SEM ELECTRICAL CHARACTERISTICS for ADJUSTABLE(Unless otherwise specified, TA = 25°C) Parameter Symbol Test Conditions Typical Limits Reference Voltage (Adjustable version) VREF V IN = 5V, IOUT = 10mA 1.25V 1.23VMin 1.27VMax Output Voltage (Fixed version) VO V IN = 5V, IOUT = 10mA VO 0.98VO(Min) 1.02VO(Max) Dropout Voltage V D ΔVREF = 1%, IOUT = 1A 1.2V 1.45V Line Regulation REG (LINE) (VOUT + 1.5V) ≤ VIN ≤ 15V, IOUT = 10mA 0.5% 2% Load Regulation REG (LOAD) (VIN -VOUT) = 2V, 10mA ≤ IOUT ≤ 1A 0.5% 2.5% Minimum Load Current IO 1.5V ≤ (VIN -VOUT) ≤ 5.75V 10mA Adjust Pin Current I ADJ 55µA 100 µA Current Limit I CL V IN - VOUT = 2V 1.2A 1.1A (Min) RMS Output Noise V N 0.003% of VOUT Ripple Rejection Ratio RA f = 120Hz, CADJ = 22µF for ADJ pin, VIN = 5V, IOUT = 1A 72dB 60dB (Min) ELECTRICAL CHARACTERISTICS for L1117-2.5(Unless otherwise specified, TA = 25 °C) Parameter Symbol Test Conditions Typical Limits Output Voltage (Fixed version) VO V IN = 5V, IOUT = 10mA VO 2.45V (Min) 2.55V (Max) Dropout Voltage V D ΔVO = 1%, IOUT = 1A 1.2V 1.45V Line Regulation REG (LINE) (VOUT + 1.5V) ≤ VIN ≤ 15V, IOUT = 10mA 0.5% 2.0% Load Regulation REG (LOAD) (VIN -VOUT) = 2V, 10mA ≤ IOUT ≤ 1A 0.5% 2.0% Minimum Load Current IO 1.5V ≤ (VIN -VOUT) ≤ 5.75V 10mA GND Pin Current I GND 55µA 100 µA Current Limit I CL V IN - VOUT = 2V 1.2A 1.1A (Min) RMS Output Noise V N 0.003% of VOUT Ripple Rejection Ratio RA f = 120Hz, Co=22Uf,VIN = 5V, I OUT = 1A 72dB 60dB (Min)

SOT-223, TO-252, TO-220,TO-263 1A Fixed and Adjustable Low Dropout Linear Regulator (LDO) JUL-27-2001 NIKO-SEM ELECTRICAL CHARACTERISTICS for L1117-2.85(Unless otherwise specified, TA = 25 °C) Parameter Symbol Test Conditions Typical Limits Output Voltage (Fixed version) VO V IN = 5V, IOUT = 10mA VO 2.793V (Min) 2.907V (Max) Dropout Voltage V D ΔVO = 1%, IOUT = 1A 1.2V 1.45V Line Regulation REG (LINE) (VOUT + 1.5V) ≤ VIN ≤ 8V, IOUT = 10mA 0.5% 2.0% Load Regulation REG (LOAD) (VIN -VOUT) = 2V, 10mA ≤ IOUT ≤ 1A 0.5% 2.0% Minimum Load Current IO 1.5V ≤ (VIN -VOUT) ≤ 5.75V 10mA GND Pin Current I GND 55µA 100 µA Current Limit I CL V IN - VOUT = 2V 1.2A 1.1A (Min) RMS Output Noise V N 0.003% of VOUT Ripple Rejection Ratio RA f = 120Hz, Co=22Uf,VIN = 5V, I OUT = 1A 72dB 60dB (Min) ELECTRICAL CHARACTERISTICS for L1117-3.3 (Unless otherwise specified, TA = 25 °C) Parameter Symbol Test Conditions Typical Limits Output Voltage (Fixed version) VO V IN = 5V, IOUT = 10mA VO 3.234V (Min) 3.367V (Max) Dropout Voltage V D ΔVO = 1%, IOUT = 1A 1.2V 1.45V Line Regulation REG (LINE) (VOUT + 1.5V) ≤ VIN ≤ 15V, IOUT = 10mA 0.5% 2.0% Load Regulation REG (LOAD) (VIN -VOUT) = 2V, 10mA ≤ IOUT ≤ 1A 0.5% 2.0% Minimum Load Current IO 1.5V ≤ (VIN -VOUT) ≤ 5.75V 10mA GND Pin Current I GND 55µA 100 µA Current Limit I CL V IN - VOUT = 2V 1.2A 1.1A (Min) RMS Output Noise V N 0.003% of VOUT Ripple Rejection Ratio RA f = 120Hz, Co=22Uf,VIN = 5V, I OUT = 1A 72dB 60dB (Min)

SOT-223, TO-252, TO-220,TO-263 1A Fixed and Adjustable Low Dropout Linear Regulator (LDO) JUL-27-2001 NIKO-SEM ELECTRICAL CHARACTERISTICS for L1117-5(Unless otherwise specified, TA = 25 °C) Parameter Symbol Test Conditions Typical Limits Output Voltage (Fixed version) VO V IN = 8V, IOUT = 10mA VO 4.90V (Min) 5.10V (Max) Dropout Voltage V D ΔVO = 1%, IOUT = 1A 1.2V 1.45V Line Regulation REG (LINE) (VOUT + 1.5V) ≤ VIN ≤ 15V, IOUT = 10mA 0.5% 1.0% Load Regulation REG (LOAD) (VIN -VOUT) = 2V, 10mA ≤ IOUT ≤ 1A 0.5% 1.0% Minimum Load Current IO 1.5V ≤ (VIN -VOUT) ≤ 5.75V 10mA GND Pin Current I GND 55µA 100 µA Current Limit I CL V IN - VOUT = 2V 1.2A 1.1A (Min) RMS Output Noise V N 0.003% of VOUT Ripple Rejection Ratio RA f = 120Hz, Co=22uf,VIN = 8V, I OUT = 1A 72dB 60dB (Min) DEVICE SELECTION GUIDE Device L1117L L1117D L1117L-2.5 L1117L-2.85 L1117L-3.3 L1117D-3.3 L1117L-5 Voltage Version ADJ ADJ 2.5 2.85 3.3 3.3 5 Package SOT-223 TO-252 SOT-223 SOT-223 SOT-223 TO-252 SOT-223 Marking L1117L L1117D L1117L-2.5 L1117L-2.85 L1117L-3.3 L1117D-3.3 L1117L-5 Device L1117D-5 L1117T L1117T-3.3 L1117T-5 L1117S-5 Voltage Version 5 ADJ 3.3 5 5 Package TO-252 TO-220 TO-220 TO-220 TO-263 Marking L1117D-5 L1117T L1117T-3.3 L1117T-5 L1117S-5

SOT-223, TO-252, TO-220,TO-263 1A Fixed and Adjustable Low Dropout Linear Regulator (LDO) JUL-27-2001 NIKO-SEM TYPICAL APPLICATION - B a s i c A d j u s t a b l e R e g u l a t o r C i r c u i t - - A c t i v e S C S I B u s T e r m i n a t o r s - Vin > 4.75V Vout=3.3V + Cin 10uF IN + Cout 22uF RL GND OUT L1117-3.3 Basic Fixed Output Regulator Circuit Basic Fixed Output Regulator Circuit Vin>6.5V + Cin 10uF IN + Cout 22uF RL GND OUT L1117-5 B a s i c F i x e d O u t p u t R e g u l a t o r C i r c u i t +Cin 10uF + Cout 10uF IN ADJ OUT L1117Vin 1. Cin needed if device is far from from filter capacitors. Iadj Vo = Vref (1+R2/R1) + Iadj x R2 Vout Vref 2. Cout required for stability. Vin > 4.00V Vout=2.5V + Cin 10uF IN + Cout 22uF RL GND OUT L1117-2.5 Vin 4.3v-8V + Cin 10uF + Cout 22uF IN GND OUT L1117-2.85 18 ~27 Line s

SOT-223, TO-252, TO-220,TO-263 1A Fixed and Adjustable Low Dropout Linear Regulator (LDO) JUL-27-2001 NIKO-SEM PIN CONFIGURATIONS Pin # Function

1 Adjust/Ground

2 Output

3 Input

Note: TAB is Output Pin

SOT-223, TO-252, TO-220,TO-263 1A Fixed and Adjustable Low Dropout Linear Regulator (LDO) JUL-27-2001 NIKO-SEM SOT-223 MECHANICAL DATA mm mm C 2.9 3 3.1 J 0.32 0.4 D 2.27 2.3 2.33 K 0° 10° F 1.5 1.6 1.7 M G 6.3 6.5 6.7 N

SOT-223, TO-252, TO-220,TO-263 1A Fixed and Adjustable Low Dropout Linear Regulator (LDO) JUL-27-2001 NIKO-SEM TO-252 (DPAK) MECHANICAL DATA mm mm A 9.35 10.1 H 0.8 B 2.2 2.4 I 6.4 6.6 C 0.48 0.6 J 5.2 5.4 D 0.89 1.5 K 0.6 1 E 0.45 0.6 L 0.64 0.9 F 0.03 0.23 M 4.4 4.6 G 6 6.2 N

SOT-223, TO-252, TO-220,TO-263 1A Fixed and Adjustable Low Dropout Linear Regulator (LDO) JUL-27-2001 NIKO-SEM TO-220 (3-Lead) MECHANICAL DATA mm mm C 20 J 4.4 4.6 4.8 G 0.72 0.8 0.88 N 7°

SOT-223, TO-252, TO-220,TO-263 1A Fixed and Adjustable Low Dropout Linear Regulator (LDO) JUL-27-2001 NIKO-SEM TO-263 (D2PAK) MECHANICAL DATA mm mm B 4.2 4.7 I 9.8 10.3 C 1.20 1.35 J 6.5 D 2.8 K 1.5 G 8.5 9 9.5 N

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1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)

Description

1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)

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