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Петербургский государственный университет путей сообщения им. императора Александра I

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Электропитание и электроснабжение нетяговых потребителей

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Стабилизатор / ADR441.pdf

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TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 7 V, TA = 25°C, CIN = COUT = 0.1 μF, unless otherwise noted.

	2.051
	2.050
(V)	2.049
VOLTAGE	2.049
VOLTAGE	2.048
OUTPUT	2.047
	2.047
	2.046
	2.045											05428-042
	2.045
	–40	–20		0	20	40		60	80	100	120
					TEMPERATURE (°C)
	Figure 3. ADR440 Output Voltage vs. Temperature
	2.5020
	2.5015
(V)	2.5010
VOLTAGE	2.5010
VOLTAGE	2.5005
OUTPUT	2.5005
OUTPUT	2.5000
	2.5000
	2.4995											05428-003
	2.4990											05428-003
	–40	–25	–10	5	20	35	50	65	80	95	110	125

TEMPERATURE (°C)

ADR440/ADR441/ADR443/ADR444/ADR445

	4.0980
	4.0975
(V)	4.0970					DEVICE 1
(V)	4.0960					DEVICE 1			DEVICE 2
VOLTAGE	4.0960								DEVICE 2
	4.0965
OUTPUT	4.0955					DEVICE 3
OUTPUT

	4.0950
	4.0945											05428-005
	4.0940											05428-005
	–40	–25	–10	5	20	35	50	65	80	95	110	125
					TEMPERATURE (°C)
	Figure 6. ADR444 Output Voltage vs. Temperature
	5.006
	5.004
(V)	5.002
VOLTAGE	5.002
VOLTAGE	5.000
OUTPUT	4.998
	4.998
	4.996											05428-043
	4.994											05428-043
	4.994
	–40	–20		0	20	40		60	80	100		120

TEMPERATURE (°C)

Figure 4. ADR441 Output Voltage vs. Temperature

	3.0020
	3.0015
(V)	3.0010				DEVICE 1
					DEVICE 1
	3.0000
VOLTAGE	3.0000
	3.0005		DEVICE 2
			DEVICE 2
OUTPUT						DEVICE 3
OUTPUT	2.9995
	2.9995
	2.9990
	2.9985											05428-004
	2.9980											05428-004
	–40	–25	–10	5	20	35	50	65	80	95	110	125

TEMPERATURE (°C)

Figure 5. ADR443 Output Voltage vs. Temperature

SUPPLY CURRENT (mA)

Figure 7. ADR445 Output Voltage vs. Temperature

4.0

3.5
						+125°C
3.0					+25°C
3.0
				–40°C
2.5
2.0							05428-006
4	6	8	10	12	14	16	18

INPUT VOLTAGE (V)

Figure 8. ADR441 Supply Current vs. Input Voltage

Rev. C | Page 9 of 20

ADR440/ADR441/ADR443/ADR444/ADR445

	4.0
(mA)	3.5
(mA)
CURRENTSUPPLY	3.0
	3.0
	2.5
	2.0											05428-007
	–40	–25	–10	5	20	35	50	65	80	95	110	125
					TEMPERATURE (°C)
	Figure 9. ADR441 Supply Current vs. Temperature
	3.5
	3.4
(mA)	3.3
(mA)	3.2
CURRENT	3.2
CURRENT	3.1									+125°C
	3.1

SUPPLY	3.0
SUPPLY	2.9									+25°C
	2.9

	2.8
	2.7									–40°C		-05428008
	2.6											-05428008
	2.6
	2.5	7.3		9.3		11.3	13.3		15.3	17.3		19.3
	5.3	7.3		9.3		11.3	13.3		15.3	17.3		19.3

INPUT VOLTAGE (V)

Figure 10. ADR445 Supply Current vs. Input Voltage

	3.25
	3.15
(mA)
CURRENT	3.05
CURRENT
SUPPLY	2.95
SUPPLY
	2.85
	2.75											05428-009
	–40	–25	–10	5	20	35	50	65	80	95	110	125

TEMPERATURE (°C)

Figure 11. ADR445 Supply Current vs. Temperature

		10
	(ppm/V)	8
	(ppm/V)	6
	REGULATIONLINE	6
	REGULATIONLINE	4
		4

2												05428-010
2
0
–40	–25	–10	5	20	35	50	65	80	95	110	125

TEMPERATURE (°C)

Figure 12. ADR441 Line Regulation vs. Temperature

	60	ILOAD = 0mA TO 10mA
		ILOAD = 0mA TO 10mA
(ppm/mA)	55
					VIN = 18V
	50

REGULATION	45	VIN = 6V
		VIN = 6V
	40
LOAD	40
LOAD
	35											05428-011
	30											05428-011
	–40	–25	–10	5	20	35	50	65	80	95	110	125

TEMPERATURE (°C)

Figure 13. ADR441 Load Regulation vs. Temperature

		7
	(ppm/V)	6
	(ppm/V)	5
	REGULATION	5
	REGULATION	4
		4
		3
	LINE	2
		2

1												05428-012
1
0
–40	–25	–10	5	20	35	50	65	80	95	110	125

TEMPERATURE (°C)

Figure 14. ADR445 Line Regulation vs. Temperature

Rev. C | Page 10 of 20

	50	VIN = 6V
	40	VIN = 6V
	40	ILOAD = 0mA TO +10mA
(ppm/mA)	30	ILOAD = 0mA TO +10mA
	30
	20
	20
REGULATION	10
REGULATION	0
	0
	–10
LOAD	–20				ILOAD = 0mA TO –5mA
LOAD	–30


	–40											-013
	–50											05428
	–40	–25	–10	5	20	35	50	65	80	95	110	125
					TEMPERATURE (°C)
	Figure 15. ADR445 Load Regulation vs. Temperature
	0.7
	0.6
(V)	0.5
VOLTAGE	0.5
VOLTAGE	0.4							+125°C		+25°C
DIFFERENTIAL	0.3									–40°C
										–40°C

	0.2
	0.1											05428-014
	0											05428-014
	–10			–5			0		5			10
					LOAD CURRENT (mA)
		Figure 16. ADR441 Minimum Input/Output
			Differential Voltage vs. Load Current
	0.5
										NO LOAD
(V)	0.4
(V)
HEADROOM	0.3
MINIMUM	0.2
	0.2
	0.1
	0											05428-015
	–40	–25	–10	5	20	35	50	65	80	95	110	125

TEMPERATURE (°C)

Figure 17. ADR441 Minimum Headroom vs. Temperature

ADR440/ADR441/ADR443/ADR444/ADR445

	1.0
	1.0
	0.9
	0.9
(V)	0.8
	0.8


VOLTAGE	0.7								+125°C
	0.7								+125°C
	0.6
DIFFERENTIAL	0.6
	0.5
												+25°C



	0.4
	0.4

	0.3										–40°C
	0.3										–40°C
	0.2													-016
	0.2
	0.1
	0.1
	0													05428
	–5				0			5					10
					LOAD CURRENT (mA)
		Figure 18. ADR445 Minimum Input/Output
			Differential Voltage vs. Load Current
	0.5
	0.5
										NO LOAD
(V)	0.4



HEADROOM	0.3
MINIMUM	0.2
	0.2
	0.1													05428-017
	0.1
	0
	–40	–25	–10	5	20	35	50	65	80	95	110		125

TEMPERATURE (°C)

Figure 19. ADR445 Minimum Headroom vs. Temperature

CIN = COUT = 0.1µF

VIN = 5V/DIV

VOUT = 1V/DIV

								018-

			TIME = 10µs/DIV
			TIME = 10µs/DIV					05428

Figure 20. ADR441 Turn-On Response

Rev. C | Page 11 of 20

ADR440/ADR441/ADR443/ADR444/ADR445

CIN = COUT = 0.1µF

VIN = 5V/DIV

VOUT = 1V/DIV

05428-019

TIME = 200µs/DIV

Figure 21. ADR441 Turn-Off Response

CIN = 0.1µF

COUT = 10µF

VIN = 5V/DIV

VOUT = 1V/DIV

								-020

			TIME = 200µs/DIV
			TIME = 200µs/DIV					05428
								05428

Figure 22. ADR441 Turn-On Response

CIN = 0.1µF
COUT = 10µF
2V/DIV
4V
2mV/DIV
TIME = 100µs/DIV	05428-021
TIME = 100µs/DIV

Figure 23. ADR441 Line Transient Response

CIN = 0.1µF
COUT = 10µF
LOAD OFF	LOAD ON
	5mV/DIV
	TIME = 200µs/DIV	-023
	TIME = 200µs/DIV	05428
		05428

Figure 24. ADR441 Load Transient Response

CIN = COUT = 0.1µF

LOAD OFF

LOAD ON






	5mV/DIV
		-022

TIME = 200µs/DIV
TIME = 200µs/DIV		05428

Figure 25. ADR441 Load Transient Response

1µV/DIV

CH 1 p-p 1.18µV

	TIME = 1s/DIV					024-
	TIME = 1s/DIV					05428
						05428

Figure 26. ADR441 0.1 Hz to 10.0 Hz Voltage Noise

Rev. C | Page 12 of 20

50µV/DIV

CH 1 p-p 49µV

	TIME = 1s/DIV					025-
	TIME = 1s/DIV					05428
						05428

Figure 27. ADR441 10 Hz to 10 kHz Voltage Noise

1µV/DIV

CH 1 p-p 2.24µV

	TIME = 1s/DIV					026-
	TIME = 1s/DIV					05428
						05428

Figure 28. ADR445 0.1 Hz to 10.0 Hz Voltage Noise

50µV/DIV

CH 1 p-p 66µV

	TIME = 1s/DIV					027-
	TIME = 1s/DIV					05428
						05428

Figure 29. ADR445 10 Hz to 10 kHz Voltage Noise

ADR440/ADR441/ADR443/ADR444/ADR445

	16
	14
PARTSOF	12
PARTSOF	10
	10
NUMBER	8
NUMBER	6
	6
	4
	2															05428-028
	0												90			05428-028
	0			–90	–70	–50	–30	–10	10	30	50	70		110	130	150
	–150	–130	–110	–90	–70	–50	–30	–10	10	30	50	70		110	130	150
							DEVIATION (ppm)
	Figure 30. ADR441 Typical Output Voltage Hysteresis
	10
	9
(Ω)	8
(Ω)	7
IMPEDANCE	7											ADR445
												ADR445
	6
	6
	5
OUTPUT	4											ADR443
	4
	3
	3
	2														ADR441
															ADR441
	1															029-05428
	1
	0	10			100				1k			10k				100k
		10			100				1k			10k				100k
							FREQUENCY (Hz)
			Figure 31. Output Impedance vs. Frequency
	0
	–10
(dB)	–20
(dB)
RATIO	–30
	–30
REJECTION	–40
REJECTION	–50
	–50
RIPPLE	–60
RIPPLE	–80
	–70
	–90															-030
–100																05428
–100			100				1k			10k			100k			1M
			100				1k			10k			100k			1M

FREQUENCY (Hz)

Figure 32. Ripple Rejection Ratio vs. Frequency

Rev. C | Page 13 of 20

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