ADP1610(Rev0) データシートの表示（PDF） - Analog Devices

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ADP1610
(Rev.:Rev0)

1.2 MHz DC-DC Step-Up Switching Converter

Analog Devices 

ADP1610

1.4

FSW = 700kHz

1.3 VFB = 1V

1.2

1.1

1.0

VIN = 5.5V

0.9

0.8

VIN = 3.3V

0.7

0.6

0.5

0.4

–40

VIN = 2.5V

–15

10

35

60

85

AMBIENT TEMPERATURE (°C)

Figure 16. Supply Current vs. Ambient Temperature

3.5

VIN = 3.3V

SD = 0.4V

3.0

2.5

2.0

1.5

1.0

0.5

0

–40

15

70

125

TEMPERATURE (°C)

Figure 17. Supply Current in Shutdown vs. Ambient Temperature

CH1 = IL 500mA/DIV

CH2 = VSW 5V/DIV

2

VIN = 3.3V

VOUT = 10V

ILOAD = 200mA

FSW = 700kHz

L = 10µH

1

CH1 10.0mVΩ CH2 5.00V M400ns

A CH2 10.0V

T 136.000ns

Figure 18. Switching Waveform in Continuous Conduction

CH1 = IL 200mA/DIV

CH2 = VSW 5V/DIV

2

VIN = 3.3V

VOUT = 10V

ILOAD = 20mA

FSW = 700kHz

L = 10µH

1

CH1 10.0mVΩ CH2 5.00V M400ns

A CH2 10.0V

T 136.000ns

Figure 19. Switching Waveform in Discontinuous Conduction

VIN = 3.3V, VOUT = 10V

COUT = 10µF, L = 10µH, RC = 130Ω

CC = 270pF, FSW = 700kHz

CH1 = VOUT, 200mV/DIV

CH2 = IOUT, 200mA/DIV

1

2

CH1 200mV CH2 10.0mVΩ M200µs A CH2 7.60mV

Figure 20. Load Transient Response, 700 kHz , VOUT = 10 V

VIN = 3.3V, VOUT = 10V

COUT = 10µF, L = 4.7µH, RC = 220kΩ

CC = 150pF, FSW = 1.2MHz

CH1 = VOUT, 200mV/DIV

CH2 = IOUT, 200mA/DIV

1

2

CH1 200mV CH2 10.0mVΩ M200µs

A CH2 7.60mV

Figure 21. Load Transient Response, 1.2 MHz, VOUT = 10 V

Rev. 0 | Page 8 of 16

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