Datasheet ADP7118 (Analog Devices) - 10

ManufacturerAnalog Devices
Description20 V, 200 mA, Low Noise, CMOS LDO Linear Regulator
Pages / Page24 / 10 — ADP7118. Data Sheet. 700. LOAD = 5mA LOAD = 10mA. –10. 600. LOAD = 50mA …
RevisionE
File Format / SizePDF / 1.5 Mb
Document LanguageEnglish

ADP7118. Data Sheet. 700. LOAD = 5mA LOAD = 10mA. –10. 600. LOAD = 50mA LOAD = 100mA. –20. LOAD = 150mA. 500. LOAD = 200mA. –30. (µ T N. –40. 400

ADP7118 Data Sheet 700 LOAD = 5mA LOAD = 10mA –10 600 LOAD = 50mA LOAD = 100mA –20 LOAD = 150mA 500 LOAD = 200mA –30 (µ T N –40 400

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ADP7118 Data Sheet 700 0 LOAD = 5mA LOAD = 10mA –10 600 LOAD = 50mA LOAD = 100mA –20 ) LOAD = 150mA A 500 LOAD = 200mA –30 (µ T N ) –40 400 B RRE (d R –50 CU R 300 PS –60 UND 10Hz O R –70 100Hz G 200 1kHz –80 10kHz 100 100kHz –90 1MHz 10MHz 0 –100
2 5
3.1 3.3 3.5 3.7 3.9
02
0.2 0.6 1.0 1.4 1.8 2.2 2.6 3.0
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VIN (V) HEADROOM VOLTAGE (V)
11849- 11849-

Figure 24. Ground Current vs. Input Voltage (VIN) in Dropout, VOUT = 3.3 V Figure 27. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage, VOUT = 1.8 V,for Different Frequencies
300 0 VIN = 2.7V VIN = 5.0V V 250 IN = 10V V –20 IN = 20V ) A 200 –40 ) B NT E 150 (d R –60 R URR 3.0V C PS 2.0V S S 100 –80 1.6V 1.4V 1.2V 1.0V 50 –100 800mV 700mV 600mV 500mV 0
3
–120
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–40 –5 25 85 125
02
10 100 1k 10k 100k 1M 10M
02
TEMPERATURE (°C)
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FREQUENCY (Hz)
11849- Figure 25. Soft Start (SS) Current vs. Temperature, Multiple Input Voltages, Figure 28. Power Supply Rejection Ratio (PSRR) vs. Frequency, VOUT = 3.3 V, V for Various Headroom Voltages OUT = 5 V
0 0 3.0V 10Hz 100Hz –10 2.0V –10 1.6V 1kHz 1.4V 10kHz –20 –20 1.2V 100kHz 1.0V 1MHz –30 800mV –30 10MHz 700mV ) –40 ) –40 B 600mV B (d (d R –50 R –50 R R PS –60 PS –60 –70 –70 –80 –80 –90 –90 –100 –100
4 7
1 10 100 1k 10k 100k 1M 10M
02
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
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FREQUENCY (Hz) HEADROOM VOLTAGE (V)
11849-

11849- Figure 26. Power Supply Rejection Ratio (PSRR) vs. Frequency, VOUT = 1.8 V, Figure 29. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage, for Various Headroom Voltages

VOUT = 3.3 V, for Different Frequencies Rev. E | Page 10 of 24 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUITS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITANCE, RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION ADIsimPOWER DESIGN TOOL CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties PROGRAMABLE PRECISION ENABLE SOFT START NOISE REDUCTION OF THE ADP7118 IN ADJUSTABLE MODE EFFECT OF NOISE REDUCTION ON START-UP TIME CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS
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