LT3045 datasheet(11/32 Pages) LINER

номер детали	LT3045

подробное описание детали	20V, 500mA, Ultralow Noise, Ultrahigh PSRR Linear Regulator

PDF	32 Pages

Scroll/Zoom	100%

производитель	LINER [Linear Technology]

домашняя страница	http://www.linear.com

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11 / 32 page

LT3045

3045fa

For more information www.linear.com/LT3045

Noise Spectral Density as

a Function of Error Amplifier

Input Pair

Typical perForMance characTerisTics

Start-Up Time with and

without Fast Start-Up Circuitry for

Large CSET

Input Supply Ramp-Up and

Ramp-Down

Output Noise: 10Hz to 100kHz

Load Transient Response

Line Transient Response

TJ = 25°C, unless otherwise noted.

VIN = VOUT + 2V

IL = 500mA

COUT = 10µF

CSET = 4.7µF

VOUT ≥ 1.3V

0.6V < VOUT < 1.3V

VOUT ≤ 0.6V

FREQUENCY (Hz)

100

10k

100k

10M

0.1

100

1000

3045 G52

VIN = 5V

RSET = 33.2k

COUT = 10µF

CSET = 4.7µF

IL = 500mA

1ms/DIV

5µV/DIV

3042 G53

VIN = 5V

RSET = 33.2k

COUT = 10µF

CSET = 0.47µF

LOAD STEP = 10mA TO 500mA

20µs/DIV

OUTPUT

CURRENT

500mA/DIV

OUTPUT

VOLTAGE

20mV/DIV

3042 G54

VIN = 4.5V TO 5V

RSET = 33.2k

COUT = 10µF

CSET = 0.47µF

IL = 500mA

5µs/DIV

INPUT

VOLTAGE

500mV/DIV

OUTPUT

VOLTAGE

1mV/DIV

3042 G55

VIN = 5V

RSET = 33.2k

COUT = 10µF

CSET = 4.7µF

RL = 6.6Ω

500mV/DIV

2V/DIV

OUTPUT WITH

FAST START–UP

(SET AT 90%)

OUTPUT WITHOUT

FAST START–UP

PULSE EN/UV

100ms/DIV

3042 G56

INPUT VOLTAGE

OUTPUT VOLTAGE

VIN = 0V TO 5V

VEN/UV = VIN

RSET = 33.2k

COUT = 10µF

CSET = 0.47µF

RL = 6.6Ω

50ms/DIV

2V/DIV

3042 G57

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