Datasheet ADP1761 (Analog Devices) - 9
| Hersteller | Analog Devices |
| Beschreibung | 1 A, Low VIN, Low Noise, CMOS Linear Regulator |
| Seiten / Seite | 18 / 9 — Data Sheet. ADP1761. –10. VIN = 1.1V. –20. IN = 1.2V. 1V/µs SLEW RATE. … |
| Revision | C |
| Dateiformat / Größe | PDF / 794 Kb |
| Dokumentensprache | Englisch |
Data Sheet. ADP1761. –10. VIN = 1.1V. –20. IN = 1.2V. 1V/µs SLEW RATE. VIN = 1.3V. VIN = 1.4V. –30. IN = 1.5V. VIN = 1.6V. –40. –50. B) (d –60. VOUT
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Data Sheet ADP1761 –10 VIN = 1.1V V –20 IN = 1.2V 1V/µs SLEW RATE VIN = 1.3V VIN = 1.4V –30 V V IN = 1.5V IN VIN = 1.6V –40 –50 B) (d –60 RR VOUT S 1 P –70 2 –80 –90 –100 –110 CH1 5.00mV CH2 500mV M2.00µs A CH2 1.68V
016 9 9-
1 10 100 1k 10k 100k 1M 10M
-01
T 17.50%
91 12 919
FREQUENCY (Hz)
12 Figure 16. Line Transient Response, Load Current = 1 A, Figure 19. Power Supply Rejection Ratio (PSRR) vs. Frequency for Various VIN, VIN = 1.5 V to 1.98 V Step, VOUT = 1.3 V VOUT = 0.9 V, Load Current = 1 A
16 –10 V V IN = 1.5V OUT = 1.3V (10Hz TO 100kHz) –20 VIN = 1.6V 14 VIN = 1.7V VIN = 1.8V –30 VIN = 1.9V 12 VIN = 1.98V –40 s) 10 rm –50 B) V (d (µ 8 –60 RR ISE S O P –70 6 N –80 4 –90 2 VOUT = 1.3V (100Hz TO 100kHz) –100 0 –110 0.1 1
017 020
1 10 100 1k 10k 100k 1M 10M
9- 9-
LOAD CURRENT (A) FREQUENCY (Hz)
1291 1291 Figure 17. Noise vs. Load Current for Various Output Voltages Figure 20. Power Supply Rejection Ratio (PSRR) vs. Frequency for Various VIN, VOUT = 1.3 V, Load Current = 1 A
10k –10 VOUT = 0.9V VIN = 1.7V VOUT = 1.3V VIN = 1.8V V –20 V z) OUT = 1.5V IN = 1.9V VIN = 1.98V 1k /√H –30 V (n –40 ITY S 100 –50 EN B) (d D L –60 A RR R S T 10 P –70 SPEC –80 ISE 1 O –90 N –100 0.1 –110 10 100 1k 10k 100k
018
1 10 100 1k 10k 100k 1M 10M
-021 19- 19
FREQUENCY (Hz)
129
FREQUENCY (Hz)
129 Figure 18. Noise Spectral Density vs. Frequency for Various Output Voltages, Figure 21. Power Supply Rejection Ratio (PSRR) vs. Frequency for Various VIN, Load Current = 100 mA VOUT = 1.5 V, Load Current = 1 A Rev. C | Page 9 of 18 Document Outline Features Applications Typical Application Circuits General Description Revision History Specifications Input and Output Capacitor: Recommended Specifications Absolute Maximum Ratings Thermal Data Thermal Resistance/Parameter ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Soft Start Function Adjustable Output Voltage Enable Feature Power-Good (PG) 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
016 9 9-
1 10 100 1k 10k 100k 1M 10M
-01
T 17.50%
91 12 919
FREQUENCY (Hz)
12 Figure 16. Line Transient Response, Load Current = 1 A, Figure 19. Power Supply Rejection Ratio (PSRR) vs. Frequency for Various VIN, VIN = 1.5 V to 1.98 V Step, VOUT = 1.3 V VOUT = 0.9 V, Load Current = 1 A
16 –10 V V IN = 1.5V OUT = 1.3V (10Hz TO 100kHz) –20 VIN = 1.6V 14 VIN = 1.7V VIN = 1.8V –30 VIN = 1.9V 12 VIN = 1.98V –40 s) 10 rm –50 B) V (d (µ 8 –60 RR ISE S O P –70 6 N –80 4 –90 2 VOUT = 1.3V (100Hz TO 100kHz) –100 0 –110 0.1 1
017 020
1 10 100 1k 10k 100k 1M 10M
9- 9-
LOAD CURRENT (A) FREQUENCY (Hz)
1291 1291 Figure 17. Noise vs. Load Current for Various Output Voltages Figure 20. Power Supply Rejection Ratio (PSRR) vs. Frequency for Various VIN, VOUT = 1.3 V, Load Current = 1 A
10k –10 VOUT = 0.9V VIN = 1.7V VOUT = 1.3V VIN = 1.8V V –20 V z) OUT = 1.5V IN = 1.9V VIN = 1.98V 1k /√H –30 V (n –40 ITY S 100 –50 EN B) (d D L –60 A RR R S T 10 P –70 SPEC –80 ISE 1 O –90 N –100 0.1 –110 10 100 1k 10k 100k
018
1 10 100 1k 10k 100k 1M 10M
-021 19- 19
FREQUENCY (Hz)
129
FREQUENCY (Hz)
129 Figure 18. Noise Spectral Density vs. Frequency for Various Output Voltages, Figure 21. Power Supply Rejection Ratio (PSRR) vs. Frequency for Various VIN, Load Current = 100 mA VOUT = 1.5 V, Load Current = 1 A Rev. C | Page 9 of 18 Document Outline Features Applications Typical Application Circuits General Description Revision History Specifications Input and Output Capacitor: Recommended Specifications Absolute Maximum Ratings Thermal Data Thermal Resistance/Parameter ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Soft Start Function Adjustable Output Voltage Enable Feature Power-Good (PG) 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