LT3045 datasheet(26/62 Pages) AD

Part #	LT3045

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

PDF	62 Pages

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Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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26 / 62 page

Data Sheet

LT3074

analog.com

Rev 0.

26 of 62

Figure 70. Integrated RMS Noise (10Hz to 100kHz)

Figure 71. Output Noise (10Hz to 100kHz)

Figure 72. Output Noise (0.1Hz to 10Hz)

Figure 73. Startup Time

Figure 74. Load Transient Response

Figure 75. Load Transient Response

VIN = 1.3V

VOUT = 1V

VBIAS = 3.3V

COUT = 22µF

ILOAD = 3A

SETCAP PIN CAPACITANCE (µF)

0.01

0.1

100

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

VIN = 1.3V

VOUT = 1V

CSETCAP = 4.7µF

COUT = 22µF

ILOAD = 3A

1ms/DIV

5µV/DIV

1s/DIV

5µV/DIV

VIN = 1.3V

VOUT = 1V

CSETCAP = 4.7µF

COUT = 22µF

ILOAD = 3A

0.1

CSETCAP (µF)

100

12.0

10.8

9.6

8.4

7.2

6.0

4.8

3.6

2.4

1.2

RLOAD = 100Ω

RLOAD = 33Ω

VIN = 1.2V

VOUT = 1V

VBIAS = 2.5V

VIN = 1.3V

VOUT = 1V

VBIAS = 3.3V

COUT = 22µF

3µs/DIV

VOUT

50mV/DIV

ILOAD

1A/DIV

VIN = 1.3V

VOUT = 1V

VBIAS = 3.3V

COUT = 10µF

3µs/DIV

VOUT

50mV/DIV

ILOAD

1A/DIV

LT3045 Datasheet(PDF) 26 Page - Analog Devices

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