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Московский государственный физико-технический университет (МФТИ)

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ADP1715_1716.pdf

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ADP1715/ADP1716

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

EN	1	ADP1715	8	GND		EN	1	ADP1715	8	GND
IN	2	ADP1715	7	GND		IN	2	ADP1715	7	GND
OUT	3	FIXED	6	GND		OUT	3	ADJUSTABLE	6	GND
OUT	3	TOP VIEW	6	GND	-004	OUT	3	TOP VIEW	6	GND	-005
SS	4	(Not to Scale)	5	GND	06110	ADJ	4	(Not to Scale)	5	GND	06110
					06110						06110
Figure 4. 8-Lead MSOP (RM-Suffix)						Figure 5. 8-Lead MSOP (RM-Suffix)

EN	1		8	GND
IN	2	ADP1716	7	GND
OUT	3	TOP VIEW	6	GND	-006
TRK	4	(Not to Scale)	5	GND	06110
					06110

Figure 6. 8-Lead MSOP (RM-Suffix)

Table 4. Pin Function Descriptions

ADP1715	ADP1715	ADP1716
Fixed	Adjustable	ADP1716
Pin No.	Pin No.	Pin No.	Mnemonic	Description
1	1	1	EN	Enable Input. Drive EN high to turn on the regulator; drive it low to turn off the
				regulator. For automatic startup, connect EN to IN.
2	2	2	IN	Regulator Input Supply. Bypass IN to GND with a 2.2 μF or greater capacitor.
3	3	3	OUT	Regulated Output Voltage. Bypass OUT to GND with a 2.2 μF or greater
				capacitor.
4			SS	Soft Start. A capacitor connected to this pin determines the soft-start time.
	4		ADJ	Adjust. A resistor divider from OUT to ADJ sets the output voltage.
		4	TRK	Track. The output will follow the voltage placed on the TRK pin. (See the
				Theory of Operation section for a more detailed description.)
5, 6, 7, 8	5, 6, 7, 8	5, 6, 7, 8	GND	Ground.

Rev. 0 | Page 5 of 20

ADP1715/ADP1716

TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 3.8 V, IOUT = 10 mA, CIN = 2.2 μF, COUT = 2.2 μF, TA = 25°C, unless otherwise noted.

	3.364
	3.354
	3.344
	3.334
	3.324		ILOAD = 10mA	ILOAD = 100mA
	3.314	ILOAD = 100µA	ILOAD = 10mA
(V)	3.314
	3.304

OUT
OUT	3.294
V	3.284
	3.284
	3.274	ILOAD = 500mA
	3.264	ILOAD = 500mA
	3.264		ILOAD = 360mA
	3.254		ILOAD = 360mA
	3.254			ILOAD = 250mA
				ILOAD = 250mA
	3.244				007-
	3.244				06110
	3.234				06110
	3.234	–5	25	85	125
	–40	–5	25	85	125
			TJ (°C)

Figure 7. Output Voltage vs. Junction Temperature

3.325

3.315

(V)	3.305
	3.305

OUT	3.295
	3.295

V
	3.285
	3.285
	3.275					06110-008
	3.275
	3.265
	3.265	1	10	100	1000
	0.1	1	10	100	1000

ILOAD (mA)

Figure 8. Output Voltage vs. Load Current

	500
	500
	450
	450

	400		ILOAD = 500mA
	400		ILOAD = 500mA
	350
	350
(µA)	300			ILOAD = 360mA
	300				I	LOAD = 250mA
	250				I	LOAD = 250mA
GND	250
GND	200
I	200
								ILOAD = 100mA
	150
	150								I	LOAD = 10mA
	100								I	LOAD = 10mA					-010
	100

	50										ILOAD	= 100µA
	50										ILOAD	= 100µA
	0														06110
	0	–40		–5	25				85				125
		–40		–5	25				85				125
							TJ (°C)
	Figure 10. Ground Current vs. Junction Temperature
	500
	500
	450
	450
	400
	400
	350
	350
(µA)	300
	300
	250
GND

	200
I	200
	150
	150
	100														-011
	100
	50
	50
	0														06110
	0		1		10				100					1000
	0.1		1		10				100					1000

ILOAD (mA)

Figure 11. Ground Current vs. Load Current

	3.325
	3.315
		ILOAD = 100µA
	3.305
(V)		ILOAD = 10mA			(µA)
(V)	3.295				(µA)
OUT	3.295		ILOAD = 100mA		GND
OUT					GND
V					I
	3.285		ILOAD = 250mA
	3.285
	3.275		ILOAD = 500mA		ILOAD = 360mA
	3.275		ILOAD = 500mA		06110-009
	3.265				06110-009
	3.265	3.8	4.3	4.8	5.3
	3.3	3.8	4.3	4.8	5.3
			VIN (V)

Figure 9. Output Voltage vs. Input Voltage

600
500
400		ILOAD = 500mA
300		ILOAD = 360mA
300		ILOAD = 250mA
		ILOAD = 250mA
200			ILOAD = 100mA
			ILOAD = 100mA
100			ILOAD = 10mA
100
			ILOAD = 100µA
0	3.8	4.3	4.8	5.3
3.3	3.8	4.3	4.8	5.3

VIN (V)

Figure 12. Ground Current vs. Input Voltage

06110-012

Rev. 0 | Page 6 of 20

		350
		300
		250
	(mV)	200
	DROPOUT	200
	DROPOUT	150
		150
	V

100
50				06110-013
0				06110-013
0	1	10	100	1000
0.1	1	10	100	1000

ILOAD (mA)

Figure 13. Dropout Voltage vs. Load Current

	3.35
	3.30
	3.25
(V)	3.20
(V)	3.15
OUT	3.15
OUT
V
	3.10		ILOAD = 100µA
			ILOAD = 100µA
	3.05		ILOAD = 10mA
	3.05		ILOAD = 100mA
	3.00		ILOAD = 250mA
	3.00		ILOAD = 360mA		014-
	2.95		ILOAD = 500mA		06110
	2.95	3.3	3.4	3.5	3.6
	3.2	3.3	3.4	3.5	3.6
			VIN (V)

Figure 14. Output Voltage vs. Input Voltage (in Dropout)

	700
	600							ILOAD =
	600							500mA
	500						ILOAD =
							360mA
(µA)	400					ILOAD =
(µA)						250mA
GND						250mA
GND	300
I	300				ILOAD =
					ILOAD =
	200				100mA
	200		ILOAD =
			ILOAD =
	100	ILOAD =	10mA
	100	100µA							06110-015
	0								06110-015
	0	3.25	3.30	3.35	3.40	3.45	3.50	3.55	3.60
	3.20	3.25	3.30	3.35	3.40	3.45	3.50	3.55	3.60
					VIN (V)

Figure 15. Ground Current vs. Input Voltage (in Dropout)

		ADP1715/ADP1716
V
5V/DI	1	SWITCH SIGNAL TO CHANGE
		OUTPUT LOAD FROM 25mA TO 475mA
V		VOUT
50mV/DI		VOUT
50mV/DI
		VIN = 5V
		VOUT = 3.3V	-034
		CIN = 2.2µF	-034
		COUT = 2.2µF	06110

TIME (10µs/DIV)

Figure 16. Load Transient Response

5V/DIV	1	SWITCH SIGNAL TO CHANGE
		OUTPUT LOAD FROM 25mA TO 475mA
50mV/DIV		VOUT
		VOUT
		VIN = 5V
		VOUT = 3.3V
		CIN = 22µF	-035
		COUT = 22µF	06110

TIME (10µs/DIV)

Figure 17. Load Transient Response

	VIN STEP FROM 4V TO 5V
2V/DIV	1
20mV/DIV	VOUT
20mV/DIV	VIN = 5V
	VOUT = 3.3V
	CIN = 2.2µF
	COUT = 2.2µF	06110-036
	ILOAD = 500mA	06110-036
	ILOAD = 500mA
	TIME (100µs/DIV)

Figure 18. Line Transient Response

Rev. 0 | Page 7 of 20

ADP1715/ADP1716

		18
		16
	(ms)	14
	(ms)	12
	UP-TIME	12
	UP-TIME	8
		10
	RAMP	6

4						06110-018
4
2
2
0
0	5	10	15	20	25
0	5	10	15	20	25

CSS (nF)

Figure 19. Output Voltage Ramp-Up Time vs. Soft-Start Capacitor Value

	0	VRIPPLE = 50mV p-p
		VRIPPLE = 50mV p-p
	–10	VIN = 5V
		VOUT = 0.75V
	–20	COUT = 2.2µF
	–30	ILOAD = 100µA
	–30
(dB)	–40
(dB)	–50
PSRR	–50
PSRR	–60
	–60
	–70
	–80
	–90						06110-037
	–100						06110-037
	–100	100	1k	10k	100k	1M	10M
	10	100	1k	10k	100k	1M	10M

FREQUENCY (Hz)

Figure 20. Power Supply Rejection Ratio vs. Frequency

	0	VRIPPLE = 50mV p-p
		VRIPPLE = 50mV p-p
	–10	VIN = 5V
		VOUT = 0.75V
	–20	COUT = 2.2µF
	–30	ILOAD = 10mA
	–30
(dB)	–40
(dB)	–50
PSRR	–50
PSRR	–60
	–60
	–70
	–80						020-06110
	–90						020-06110
	–90
	–100	100	1k	10k	100k	1M	10M
	10	100	1k	10k	100k	1M	10M

FREQUENCY (Hz)

Figure 21. Power Supply Rejection Ratio vs. Frequency

	0	VRIPPLE = 50mV p-p
		VRIPPLE = 50mV p-p
	–10	VIN = 5V
		VOUT = 0.75V
	–20	COUT = 2.2µF
	–30	ILOAD = 100mA
	–30
(dB)	–40
(dB)	–50
PSRR	–50
PSRR	–60
	–60
	–70
	–80
	–90						06110-038
	–100						06110-038
	–100	100	1k	10k	100k	1M	10M
	10	100	1k	10k	100k	1M	10M

FREQUENCY (Hz)

Figure 22. Power Supply Rejection Ratio vs. Frequency

Rev. 0 | Page 8 of 20

PSRR (dB)

0	VRIPPLE = 50mV p-p
	VRIPPLE = 50mV p-p
–10	VIN = 5V
–10	VOUT = 3.3V
–20	COUT = 2.2µF
–20	ILOAD = 100µA
–30
–40
–50
–60
–70
–80
–90	100	1k	10k	100k	1M
10	100	1k	10k	100k	1M

FREQUENCY (Hz)

Figure 23. Power Supply Rejection Ratio vs. Frequency

0	VRIPPLE = 50mV p-p
	VRIPPLE = 50mV p-p
	V	= 5V
–10	VIN		= 3.3V
	OUT
–20	COUT = 2.2µF
–20	ILOAD = 10mA
–30
–40
–50
–60
–70
–80
–90			100	1k	10k	100k	1M
10			100	1k	10k	100k	1M

FREQUENCY (Hz)

Figure 24. Power Supply Rejection Ratio vs. Frequency

06110-039

10M

06110-019

10M

						ADP1715/ADP1716
	0	VRIPPLE = 50mV p-p
		VRIPPLE = 50mV p-p
		V	= 5V
	–10	VIN		= 3.3V
		OUT
	–20	COUT = 2.2µF
	–20	I		= 100mA
		LOAD
	–30
(dB)	–40
PSRR	–50
PSRR
	–60
	–70
	–80								06110-040
	–90								06110-040
	–90			100	1k	10k	100k	1M	10M
	10			100	1k	10k	100k	1M	10M

FREQUENCY (Hz)

Figure 25. Power Supply Rejection Ratio vs. Frequency

Rev. 0 | Page 9 of 20

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