ADP1621_15 datasheet(9/32 Pages) AD

номер детали	ADP1621

подробное описание детали	Constant-Frequency, Current-Mode Step-Up DC/DC Controller

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9 / 32 page

Data Sheet

ADP1621

Rev. B | Page 9 of 32

45

0

1800

SWITCHING FREQUENCY (kHz)

MOSFET QG = 25nC

MOSFET QG = 15nC

MOSFET QG = 7nC

40

35

30

25

20

15

10

5

200

400

600

800

1000

1200

1400

1600

Figure 11. PIN Supply Current vs. Switching Frequency

2.60

2.40

–50

150

TEMPERATURE (°C)

SDSN = 5V

2.55

2.50

2.45

0

50

100

Figure 12. VUVLO Threshold vs. Temperature

1.03

0.97

–50

150

TEMPERATURE (°C)

0

50

100

1.02

1.01

1.00

0.99

0.98

VIN = 5V

Figure 13. Frequency vs. Temperature

35

0

50

GATE CAPACITANCE (nF)

30

25

20

15

10

5

10

15

20

25

30

35

40

45

TA = 25°C

VIN = VPIN = 5V

tR OR tF IS FROM

10% TO 90% OF

THE GATE VOLTAGE

tF

tR

Figure 14. GATE Rise and Fall Times vs. CGATE

1600

0

200

RFREQ (kΩ)

1500

1400

1300

1200

1100

1000

900

800

700

600

500

400

300

200

100

20

40

60

80

100

120

140

160

180

Figure 15. Oscillator Frequency vs. Resistance

198

191

2

VIN (V)

197

196

195

194

193

192

3

4

5

TA = 25°C

RFREQ = 100kΩ

Figure 16. Oscillator Frequency vs. VIN

Аналогичный номер детали - ADP1621_15

производитель	номер детали	датащи	подробное описание детали
Analog Devices	ADP1621-EVAL	819Kb / 32P	Constant-Frequency, Current-Mode Step-Up DC/DC Controller REV. A
	ADP1621-EVAL	851Kb / 32P	Constant-Frequency, Current-Mode Step-Up DC-to-DC Controller Rev. D
	ADP1621ARMZ	819Kb / 32P	Constant-Frequency, Current-Mode Step-Up DC/DC Controller REV. A
	ADP1621ARMZ-R7	819Kb / 32P	Constant-Frequency, Current-Mode Step-Up DC/DC Controller REV. A
	ADP1621ARMZ-R7	851Kb / 32P	Constant-Frequency, Current-Mode Step-Up DC-to-DC Controller Rev. D

More results

Аналогичное описание - ADP1621_15

производитель	номер детали	датащи	подробное описание детали
Analog Devices	ADP1621	819Kb / 32P	Constant-Frequency, Current-Mode Step-Up DC/DC Controller REV. A
Analog Devices	ADP1621	851Kb / 32P	Constant-Frequency, Current-Mode Step-Up DC-to-DC Controller Rev. D
Linear Technology	LTC1872B	199Kb / 12P	Constant Frequency Current Mode Step-Up DC/DC Controller in ThinSOT
	LTC1872B	204Kb / 12P	Constant Frequency Current Mode Step-Up DC/DC Controller in ThinSOT
	LTC1872	182Kb / 12P	Constant Frequency Current Mode Step-Up DC/DC Controller in SOT-23
	LTC1872	193Kb / 12P	Constant Frequency Current Mode Step-Up DC/DC Controller in SOT-23
	LTC1874	191Kb / 12P	Dual Constant Frequency Current Mode Step-Down DC/DC Controller
	LTC1874	180Kb / 12P	Dual Constant Frequency Current Mode Step-Down DC/DC Controller
Analog Devices	ADP1864	264Kb / 16P	Constant Frequency Current-Mode Step-Down DC/DC Controller in TSOT REV. 0
Linear Technology	LTC1772	167Kb / 12P	Constant Frequency Current Mode Step-Down DC/DC Controller in SOT-23

More results

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Аналогичный номер детали - ADP1621_15

Аналогичное описание - ADP1621_15

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