LT1674 datasheet(5/24 Pages) LINER

номер детали	LT1674

подробное описание детали	Auto-Polarity, Ultralow Voltage Step-Up Converter

PDF	24 Pages

Scroll/Zoom	100%

производитель	LINER [Linear Technology]

домашняя страница	http://www.linear.com

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5 / 24 page

LTC3109

3109fa

TYPICAL PERFORMANCE CHARACTERISTICS

Resonant Switching Waveforms

LDO Load Regulation

LDO Dropout Voltage

Start-Up Voltage Sequencing

VOUT and PGOOD Response

During a Step Load

VOUT Ripple

VOUT and VLDO vs Temperature

VAUX Clamp Voltage

vs Shunt Current

PVOUT vs dT and TEG Size,

1:100 Ratio, VOUT = 5V

TA = 25°C, unless otherwise noted.

TEMPERATURE (°C)

–50

0.75

3109 G06

–0.50

–25

–0.75

–1.00

1.00

0.50

0.25

–0.25

100

125

VLDO

VOUT

VAUX SHUNT CURRENT (mA)

5.3

5.4

5.5

3109 G07

5.2

5.1

5.0

dT (°K)

1.0

2.0

3.0

0.5

1.5

2.5

3109 G08

FERROTEC 9500/127/100B

40mm

FERROTEC 9501/071/040B

22mm

20μs/DIV

C1 A OR B

2V/DIV

C2 A OR B

2V/DIV

3109 G9

LDO LOAD (mA)

–1.00

–0.75

–0.50

0.5

1.5

2.5

3.5

–0.25

0.00

3109 G10

LDO LOAD (mA)

0.00

0.04

0.08

0.12

0.5

1.5

2.5

3.5

0.16

0.20

0.02

0.06

0.10

0.14

0.18

3109 G11

10SEC/DIV

3109 G12

CH1

VSTORE

1V/DIV

CH2, VOUT

1V/DIV

CH3, VLDO

1V/DIV

VIN = 50mV

1:100 RATIO TRANSFORMER

COUT = 220μF

CSTORE = 470μF

CLDO = 2.2μF

5ms/DIV

3109 G13

CH2

VOUT

1V/DIV

CH1

PGD

1V/DIV

50mA LOAD STEP

COUT = 220μF

100ms/DIV

3109 G14

20mV/

DIV

30μA LOAD

COUT = 220μF

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