Datasheet ADP7156 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | 1.2 A, Ultralow Noise, High PSRR, Fixed Output, RF Linear Regulator |
| Seiten / Seite | 22 / 10 — ADP7156. Data Sheet. 10Hz. 10Hz 100Hz. –10. 100Hz. 1kHz. 1kHz 10kHz. –20. … |
| Revision | B |
| Dateiformat / Größe | PDF / 636 Kb |
| Dokumentensprache | Englisch |
ADP7156. Data Sheet. 10Hz. 10Hz 100Hz. –10. 100Hz. 1kHz. 1kHz 10kHz. –20. 10kHz. 100kHz. 1MHz. –30. 10MHz. –40. –50. RR (. –60. –70. –80. –90. –100. 0.5. 0.6. 0.7. 0.8
Modelllinie für dieses Datenblatt
Textversion des Dokuments
ADP7156 Data Sheet 0 0 10Hz 10Hz 100Hz –10 100Hz –10 1kHz 1kHz 10kHz –20 10kHz –20 100kHz 100kHz 1MHz 1MHz –30 –30 10MHz 10MHz –40 –40 B) B) d d –50 –50 RR ( RR ( S S P –60 P –60 –70 –70 –80 –80 –90 –90 –100 –100 0.5 0.6 0.7 0.8 0.9
023
0.5 0.6 0.7 0.8 0.9
026
HEADROOM VOLTAGE (V)
12937-
HEADROOM VOLTAGE (V)
12937- Figure 23. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage Figure 26. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage at Various Frequencies, VOUT = 3.3 V, 1.2 A Load at Various Frequencies, VOUT = 1.8 V, 1.2 A Load
0 0 I –10 LOAD = 10mA –10 ILOAD = 100mA I CBYP = 1µF –20 LOAD = 600mA –20 I C LOAD = 1200mA BYP = 10µF CBYP = 100µF –30 –30 CBYP = 1000µF –40 –40 B) B) d d –50 –50 RR ( RR ( S S P –60 P –60 –70 –70 –80 –80 –90 –90 –100 –100 1 10 100 1k 10k 100k 1M 10M
024
1 10 100 1k 10k 100k 1M 10M
027
FREQUENCY (Hz)
12937-
FREQUENCY (Hz)
12937- Figure 24. Power Supply Rejection Ratio (PSRR) vs. Frequency Figure 27. Power Supply Rejection Ratio (PSRR) vs. Frequency at Various Loads, VOUT = 1.8 V, VIN = 2.6 V at Various CBYP Values, VOUT = 3.3 V, VIN = 4.0 V, 1.2 A Load
0 2.0 –10 1.8 10Hz TO 100kHz –20 1.6 900mV –30 800mV 1.4 rms) 700mV V –40 µ 1.2 B) 600mV ( d 500mV E –50 IS 1.0 RR ( 100Hz TO 100kHz S NO P –60 0.8 UT P –70 UT 0.6 O –80 0.4 –90 0.2 –100 0 1 10 100 1k 10k 100k 1M 10M
025
10m 100m 1 10
028
FREQUENCY (Hz)
12937-
LOAD CURRENT (A)
12937- Figure 25. Power Supply Rejection Ratio (PSRR) vs. Frequency Figure 28. RMS Output Noise vs. Load Current at Various Headroom Voltages, VOUT = 1.8 V, 1.2 A Load Rev. B | Page 10 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
023
0.5 0.6 0.7 0.8 0.9
026
HEADROOM VOLTAGE (V)
12937-
HEADROOM VOLTAGE (V)
12937- Figure 23. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage Figure 26. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage at Various Frequencies, VOUT = 3.3 V, 1.2 A Load at Various Frequencies, VOUT = 1.8 V, 1.2 A Load
0 0 I –10 LOAD = 10mA –10 ILOAD = 100mA I CBYP = 1µF –20 LOAD = 600mA –20 I C LOAD = 1200mA BYP = 10µF CBYP = 100µF –30 –30 CBYP = 1000µF –40 –40 B) B) d d –50 –50 RR ( RR ( S S P –60 P –60 –70 –70 –80 –80 –90 –90 –100 –100 1 10 100 1k 10k 100k 1M 10M
024
1 10 100 1k 10k 100k 1M 10M
027
FREQUENCY (Hz)
12937-
FREQUENCY (Hz)
12937- Figure 24. Power Supply Rejection Ratio (PSRR) vs. Frequency Figure 27. Power Supply Rejection Ratio (PSRR) vs. Frequency at Various Loads, VOUT = 1.8 V, VIN = 2.6 V at Various CBYP Values, VOUT = 3.3 V, VIN = 4.0 V, 1.2 A Load
0 2.0 –10 1.8 10Hz TO 100kHz –20 1.6 900mV –30 800mV 1.4 rms) 700mV V –40 µ 1.2 B) 600mV ( d 500mV E –50 IS 1.0 RR ( 100Hz TO 100kHz S NO P –60 0.8 UT P –70 UT 0.6 O –80 0.4 –90 0.2 –100 0 1 10 100 1k 10k 100k 1M 10M
025
10m 100m 1 10
028
FREQUENCY (Hz)
12937-
LOAD CURRENT (A)
12937- Figure 25. Power Supply Rejection Ratio (PSRR) vs. Frequency Figure 28. RMS Output Noise vs. Load Current at Various Headroom Voltages, VOUT = 1.8 V, 1.2 A Load Rev. B | Page 10 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