Datasheet ADP7156 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | 1.2 A, Ultralow Noise, High PSRR, Fixed Output, RF Linear Regulator |
| 页数 / 页 | 22 / 9 — Data Sheet. ADP7156. 1.85. ILOAD = 0mA. LOAD = 0mA. 1.84. LOAD = 10mA. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 636 Kb |
| 文件语言 | 英语 |
Data Sheet. ADP7156. 1.85. ILOAD = 0mA. LOAD = 0mA. 1.84. LOAD = 10mA. LOAD = 100mA. 1.83. LOAD = 600mA. ILOAD = 1200mA. 1.82. 1.81. (V). mA). 1.80
该数据表的模型线
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Data Sheet ADP7156 1.85 14 I ILOAD = 0mA LOAD = 0mA 13 1.84 I I LOAD = 10mA LOAD = 10mA 12 I I LOAD = 100mA 1.83 LOAD = 100mA I I 11 LOAD = 600mA LOAD = 600mA ILOAD = 1200mA 1.82 ILOAD = 1200mA 10 9 1.81 8 (V) mA) 1.80 ( UT 7 O ND V 6 1.79 I G 5 1.78 4 1.77 3 2 1.76 1 1.75 0 2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
017
2.3 2.6 2.9 3.2 3.5 3.8 4.1 4.4 4.7 5 5.3 5.6
020
VIN (V) V
12937-
IN (V)
12937- Figure 17. Output Voltage (VOUT) vs. Input Voltage (VIN) Figure 20. Ground Current (IGND) vs. Input Voltage (VIN) at Various Loads, VOUT = 1.8 V at Various Loads, VOUT = 1.8 V
14 0 13 I –10 LOAD = 10mA 12 ILOAD = 100mA I 11 –20 LOAD = 600mA ILOAD = 1200mA 10 –30 9 –40 8 B) mA) d ( 7 –50 ND RR ( 6 S I G P –60 5 4 –70 ILOAD = 0mA 3 ILOAD = 10mA –80 I 2 LOAD = 100mA ILOAD = 600mA –90 1 ILOAD = 1200mA 0 –100 –40 –20 0 20 40 60 80 100 120 140
018
1 10 100 1k 10k 100k 1M 10M
021
TEMPERATURE (ºC)
12937-
FREQUENCY (Hz)
12937- Figure 18. Ground Current (IGND) vs. Temperature Figure 21. Power Supply Rejection Ratio (PSRR) vs. Frequency at Various Loads, VOUT = 1.8 V at Various Loads, VOUT = 3.3 V, VIN = 4.0 V
14 0 13 –10 12 11 –20 10 900mV –30 800mV 9 700mV –40 8 B) 600mV mA) d 500mV ( 7 –50 ND RR ( I G 6 S P –60 5 4 –70 3 –80 2 –90 1 0 –100 0.1m 1m 10m 100m 1 10
019
1 10 100 1k 10k 100k 1M 10M
022
ILOAD (A) FREQUENCY (Hz)
12937- 12937- Figure 19. Ground Current (IGND) vs. Load Current (ILOAD), VOUT = 1.8 V Figure 22. Power Supply Rejection Ratio (PSRR) vs. Frequency at Various Headroom Voltages, VOUT = 3.3 V, 1.2 A Load Rev. B | Page 9 of 22 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITORS, 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 and VREG Capacitor REF Capacitor BYP Capacitor Capacitor Properties UNDERVOLTAGE LOCKOUT (UVLO) PROGRAMMABLE PRECISION ENABLE START-UP TIME REF, BYP, AND VREG PINS CURRENT-LIMIT AND THERMAL SHUTDOWN THERMAL CONSIDERATIONS Thermal Characterization Parameter (ΨJB) PRINTED CIRCUIT BOARD (PCB) LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
017
2.3 2.6 2.9 3.2 3.5 3.8 4.1 4.4 4.7 5 5.3 5.6
020
VIN (V) V
12937-
IN (V)
12937- Figure 17. Output Voltage (VOUT) vs. Input Voltage (VIN) Figure 20. Ground Current (IGND) vs. Input Voltage (VIN) at Various Loads, VOUT = 1.8 V at Various Loads, VOUT = 1.8 V
14 0 13 I –10 LOAD = 10mA 12 ILOAD = 100mA I 11 –20 LOAD = 600mA ILOAD = 1200mA 10 –30 9 –40 8 B) mA) d ( 7 –50 ND RR ( 6 S I G P –60 5 4 –70 ILOAD = 0mA 3 ILOAD = 10mA –80 I 2 LOAD = 100mA ILOAD = 600mA –90 1 ILOAD = 1200mA 0 –100 –40 –20 0 20 40 60 80 100 120 140
018
1 10 100 1k 10k 100k 1M 10M
021
TEMPERATURE (ºC)
12937-
FREQUENCY (Hz)
12937- Figure 18. Ground Current (IGND) vs. Temperature Figure 21. Power Supply Rejection Ratio (PSRR) vs. Frequency at Various Loads, VOUT = 1.8 V at Various Loads, VOUT = 3.3 V, VIN = 4.0 V
14 0 13 –10 12 11 –20 10 900mV –30 800mV 9 700mV –40 8 B) 600mV mA) d 500mV ( 7 –50 ND RR ( I G 6 S P –60 5 4 –70 3 –80 2 –90 1 0 –100 0.1m 1m 10m 100m 1 10
019
1 10 100 1k 10k 100k 1M 10M
022
ILOAD (A) FREQUENCY (Hz)
12937- 12937- Figure 19. Ground Current (IGND) vs. Load Current (ILOAD), VOUT = 1.8 V Figure 22. Power Supply Rejection Ratio (PSRR) vs. Frequency at Various Headroom Voltages, VOUT = 3.3 V, 1.2 A Load Rev. B | Page 9 of 22 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITORS, 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 and VREG Capacitor REF Capacitor BYP Capacitor Capacitor Properties UNDERVOLTAGE LOCKOUT (UVLO) PROGRAMMABLE PRECISION ENABLE START-UP TIME REF, BYP, AND VREG PINS CURRENT-LIMIT AND THERMAL SHUTDOWN THERMAL CONSIDERATIONS Thermal Characterization Parameter (ΨJB) PRINTED CIRCUIT BOARD (PCB) LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE