LT3073AVPBF datasheet(22/37 Pages) AD

tên linh kiện	LT3073AVPBF

Giải thích chi tiết về linh kiện	3A, Ultra-Low Noise, High PSRR, 45mV Dropout Ultra-Fast Linear Regulator

PDF	37 Pages

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nhà sản xuất	AD [Analog Devices]

Trang chủ	http://www.analog.com

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22 / 37 page

Data Sheet

LT3073

analog.com

Rev 0.

22 of 37

TYPICAL PERFORMANCE CHARACTERISTICS

TJ = 25°C unless noted otherwise.

Figure 64. Startup Time

Figure 65. IN Pin Line Transient

Figure 66. BIAS Pin Line Transient

Figure 67. Load Transient

Figure 68. Load Transient

Figure 69. Noise Spectral Density

VBIAS = 2.5V

VIN = 1.2V

VOUT(NOMINAL) = 1V

OUTPUT SETTLING TO 1%

RLOAD = 333.33mΩ

RLOAD = 100Ω

REFERENCE CAPACITANCE (µF)

0.1

100

0.01

0.1

100

VOUT = 1V

VIN = 3.8V

ILOAD = 10mA

COUT = 10µF

CREF = 4.7µF

tRISE = tFALL = 1µs

VBIAS STEP FROM 1.3V TO 1.35V

20µs/DIV

IN TRANSIENT

AC-COUPLED

50mV/DIV

OUT TRANSIENT

AC-COUPLED

500µV/DIV

VOUT = 1V

VIN = 1.3V

ILOAD = 10mA

COUT = 10µF

CREF = 4.7µF

tRISE = tFALL = 1µs

VBIAS STEP FROM 3.3V TO 3.8V

20µs/DIV

BIAS TRANSIENT

AC-COUPLED

500mV/DIV

OUT TRANSIENT

AC-COUPLED

1mV/DIV

COUT = 22µF

IOUT STEP FROM 300mA TO 3A

VOUT(NOMINAL) = 1V

VIN = 1.3V

VBIAS = 3.3V

tRISE = tFALL = 100ns

5µs/DIV

IOUT

2A/DIV

VOUT

AC-COUPLED

50mV/DIV

COUT = 10µF

IOUT STEP FROM 300mA TO 3A

VOUT(NOMINAL) = 1V

VIN = 1.3V

VBIAS = 3.3V

tRISE = tFALL = 100ns

5µs/DIV

IOUT

2A/DIV

VOUT

AC-COUPLED

50mV/DIV

VBIAS = 3.3V

ILOAD = 3A

COUT = 22µF

CREF = 4.7µF

IIN = 1.3V

VOUT = 1V

FREQUENCY (Hz)

0.1

100

10k

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