Datasheet ADP1740, ADP1741 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 2 A, Low VIN, Dropout, CMOS Linear Regulator |
| 页数 / 页 | 20 / 7 — Data Sheet. ADP1740/ADP1741. TYPICAL PERFORMANCE CHARACTERISTICS. 1.520. … |
| 修订版 | H |
| 文件格式/大小 | PDF / 776 Kb |
| 文件语言 | 英语 |
Data Sheet. ADP1740/ADP1741. TYPICAL PERFORMANCE CHARACTERISTICS. 1.520. 1600. LOAD = 10mA. LOAD = 2A. 1.515. LOAD = 100mA. 1400
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Data Sheet ADP1740/ADP1741 TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 1.9 V, VOUT = 1.5 V, IOUT = 100 mA, CIN = COUT = 4.7 µF, TA = 25°C, unless otherwise noted.
1.520 1600 LOAD = 10mA LOAD = 2A 1.515 LOAD = 100mA 1400 LOAD = 400mA LOAD = 800mA 1.510 1200 ) LOAD = 1.2A V A) LOAD = 1.2A ( LOAD = 2A µ ( 1.505 GE 1000 NT LOAD = 800mA OLTA 1.500 800 LOAD = 400mA T V U 1.495 600 TP UND CURRE OU RO LOAD = 100mA 1.490 G 400 LOAD = 10mA 1.485 200 1.480 0 –40 –5 25 85 125
005
–40 –5 25 85 125
008
JUNCTION TEMPERATURE (°C) JUNCTION TEMPERATURE (°C)
07081- 07081- Figure 5. Output Voltage vs. Junction Temperature Figure 8. Ground Current vs. Junction Temperature
1.520 1600 1.515 1400 1.510 1200 ) V A) ( µ ( 1.505 GE 1000 NT OLTA 1.500 800 T V U 1.495 600 TP UND CURRE OU RO 1.490 G 400 1.485 200 1.480 0 10 100 1k 10k
006
10 100 1k 10k
009
LOAD CURRENT (mA) LOAD CURRENT (mA)
07081- 07081- Figure 6. Output Voltage vs. Load Current Figure 9. Ground Current vs. Load Current
1.520 1600 LOAD = 10mA LOAD = 100mA 1.515 1400 LOAD = 400mA LOAD = 2A LOAD = 800mA 1.510 LOAD = 1.2A 1200 ) V A) LOAD = 2A ( µ ( 1.505 LOAD = 1.2A GE 1000 NT OLTA 1.500 800 T V LOAD = 800mA U 1.495 600 TP UND CURRE LOAD = 400mA OU RO 1.490 G 400 LOAD = 100mA 1.485 200 LOAD = 10mA 1.480 0 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
007
1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
010
INPUT VOLTAGE (V) INPUT VOLTAGE (V)
07081- 07081- Figure 7. Output Voltage vs. Input Voltage Figure 10. Ground Current vs. Input Voltage Rev. H | Page 7 of 20 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUITS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION SOFT START FUNCTION ADJUSTABLE OUTPUT VOLTAGE (ADP1741) ENABLE FEATURE POWER-GOOD FEATURE REVERSE CURRENT PROTECTION FEATURE APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties UNDERVOLTAGE LOCKOUT CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
VIN = 1.9 V, VOUT = 1.5 V, IOUT = 100 mA, CIN = COUT = 4.7 µF, TA = 25°C, unless otherwise noted.
1.520 1600 LOAD = 10mA LOAD = 2A 1.515 LOAD = 100mA 1400 LOAD = 400mA LOAD = 800mA 1.510 1200 ) LOAD = 1.2A V A) LOAD = 1.2A ( LOAD = 2A µ ( 1.505 GE 1000 NT LOAD = 800mA OLTA 1.500 800 LOAD = 400mA T V U 1.495 600 TP UND CURRE OU RO LOAD = 100mA 1.490 G 400 LOAD = 10mA 1.485 200 1.480 0 –40 –5 25 85 125
005
–40 –5 25 85 125
008
JUNCTION TEMPERATURE (°C) JUNCTION TEMPERATURE (°C)
07081- 07081- Figure 5. Output Voltage vs. Junction Temperature Figure 8. Ground Current vs. Junction Temperature
1.520 1600 1.515 1400 1.510 1200 ) V A) ( µ ( 1.505 GE 1000 NT OLTA 1.500 800 T V U 1.495 600 TP UND CURRE OU RO 1.490 G 400 1.485 200 1.480 0 10 100 1k 10k
006
10 100 1k 10k
009
LOAD CURRENT (mA) LOAD CURRENT (mA)
07081- 07081- Figure 6. Output Voltage vs. Load Current Figure 9. Ground Current vs. Load Current
1.520 1600 LOAD = 10mA LOAD = 100mA 1.515 1400 LOAD = 400mA LOAD = 2A LOAD = 800mA 1.510 LOAD = 1.2A 1200 ) V A) LOAD = 2A ( µ ( 1.505 LOAD = 1.2A GE 1000 NT OLTA 1.500 800 T V LOAD = 800mA U 1.495 600 TP UND CURRE LOAD = 400mA OU RO 1.490 G 400 LOAD = 100mA 1.485 200 LOAD = 10mA 1.480 0 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
007
1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
010
INPUT VOLTAGE (V) INPUT VOLTAGE (V)
07081- 07081- Figure 7. Output Voltage vs. Input Voltage Figure 10. Ground Current vs. Input Voltage Rev. H | Page 7 of 20 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUITS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION SOFT START FUNCTION ADJUSTABLE OUTPUT VOLTAGE (ADP1741) ENABLE FEATURE POWER-GOOD FEATURE REVERSE CURRENT PROTECTION FEATURE APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties UNDERVOLTAGE LOCKOUT CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE