ADP5300 datasheet(11/21 Pages) AD

Numer części	ADP5300

Szczegółowy opis	50 mA/500 mA, High Efficiency, Ultralow Power Step-Down Regulator

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Producent	AD [Analog Devices]

Strona internetowa	http://www.analog.com

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11 / 21 page

Data Sheet

ADP5300

Rev. 0 | Page 11 of 21

TEMPERATURE (°C)

–40

25

85

125

1.96

1.98

2.00

2.02

2.04

2.06

2.08

2.10

RISING

FALLING

Figure 22. UVLO Threshold, Rising and Falling vs. Temperature

CH4

140mA

4

1

2

CH2 2.00V

CH4 500mA

Ω

CH1 100mV

M 200µs

A

T 39.60%

VOUT

IL

SW

Figure 23. Steady Waveform of Hysteresis Mode, ILOAD = 1 mA

(IL is the Inductor Current)

CH1

1.22V

2

1

3

4

CH2 5.00V

CH4 500mA

Ω

CH1 1.00V

M 200µs

A

T 50.60%

CH3 2.00V

VIN

VOUT

IL

SW

Figure 24. Soft Start, ILOAD = 300 mA

(IL is the Inductor Current)

VIN (V)

2.3

2.9

3.5

4.1

4.7

5.3

5.9

6.5

1.7

1.8

1.9

2.0

2.1

2.2

2.3

–40ºC

+25ºC

+125ºC

Figure 25. Switching Frequency vs. VIN

CH2

2.72V

2

1

4

CH2 2.00V

CH4 200mA

Ω

CH1 10.0mV

M 400ns

A

T 90.60%

VOUT (AC)

IL

SW

Figure 26. Steady Waveform of PWM Mode, ILOAD = 300 mA

(IL is the Inductor Current)

2

1

4

VOUT

VIN

IL

SW

CH1

1.05V

CH2 5.00V

CH4 500mA

Ω

CH1 500mV

M 100µs

A

T 40.00%

CH3 2.00V

Figure 27. Soft Start with Precharge Function

(IL is the Inductor Current)

Podobny numer części - ADP5300

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Podobny opis - ADP5300

Producent	Numer części	Arkusz danych	Szczegółowy opis
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	LM2674M	1Mb / 31P	[Old version datasheet] LM2674 SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator
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