LT3045 datasheet(27/62 Pages) AD

Il numero della parte	LT3045

Spiegazioni elettronici	5.5V, 3A Ultralow Noise, High PSRR, 45mV Dropout Linear Regulator with PMBus

PDF	62 Pages

Scroll/Zoom	100%

Produttore elettronici	AD [Analog Devices]

Homepage	http://www.analog.com

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27 / 62 page

Data Sheet

LT3074

analog.com

Rev 0.

27 of 62

Figure 76. IN Pin Line Transient

Figure 77. BIAS Line Transient Response

Figure 78. VOUT ADC Readback

Figure 79.IOUT ADC Readback

Figure 80. Temperature ADC Readback

VOUT = 1V

VBIAS = 3.8V

ILOAD = 10mA

COUT = 10µF

CSETCAP = 4.7µF

tRISE = tFALL = 1µs

VIN 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

CSETCAP = 4.7µF

tRISE = tFALL = 1µs

VBIAS STEP FROM 3.3V TO 3.8V

10µs/DIV

VOUT

AC-COUPLED

1mV/DIV

VBIAS

AC-COUPLED

500mV/DIV

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

1.0

1.5

2.0

2.5

VOUT (V)

3.0

3.5

4.0

4.5

5.0

VIN = 4.5V

VBIAS = 5.5V

ILOAD = 50mV

–55°C

–40°C

+25°C

+125°C

+150°C

VIN = 1.3V

VOUT = 1.0V

VBIAS = 2.5V

–55°C

–40°C

+25°C

+125°C

+150°C

IOUT (A)

0.3

0.6

0.9

1.2

1.5

1.8

2.1

2.4

2.7

3.0

0.3

0.6

0.9

1.2

1.5

1.8

2.1

2.4

2.7

3.0

VIN = 1.3V

VOUT = 1.0V

ILOAD = 10mA

VBIAS = 2.375V

VBIAS = 5.5V

TEMPERATURE (°C)

–75

–50

–25

100

125

150

175

–75

–50

–25

100

125

150

175

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