LT4180IGN-PBF datasheet(4/16 Pages) LINER

номер детали	LT4180IGN-PBF

подробное описание детали	Virtual Remote Sense Controller

PDF	16 Pages

Scroll/Zoom	100%

производитель	LINER [Linear Technology]

домашняя страница	http://www.linear.com

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4 / 16 page

LT4180

4180fp

TYPICAL PERFORMANCE CHARACTERISTICS

IDRAIN vs VDRAIN

Normal Timing

Spread Spectrum Timing

VLOAD vs VWIRE

Load Step in 12V Linear Application

Load Step in Buck Application

VREF vs Temperature

INTVCC vs Temperature

Oscillator Frequency

vs Temperature

VWIRING (V)

4.97

4.98

4.99

4.96

4.95

0.5

1.5

2.5

4.92

4.91

4.94

5.00

4.93

4180 G07

2ms/DIV

200mA TO 700mA LOAD TRANSIENT

100μF LOAD CAP

VSENSE

2V/DIV

VLOAD

2V/DIV

ILOAD

200mA/DIV

4180 G08

RWIRE = 4Ω

CL = 100μF

5μs/DIV

TRIGGERED ON CHOLD1

500mV/DIV

CHOLD1

WITH 15k

PULL-DOWN

2V/DIV

OSC

4180 G05

1μs/DIV

TRIGGERED ON OSC

500mV/DIV

CHOLD1

WITH 15k

PULL-DOWN

2V/DIV

OSC

4180 G06

5ms/DIV

VOUT

2V/DIV

VLOAD

2V/DIV

4180 G09

ILOAD

500mA/DIV

200mA

1.2A

TEMPERATURE (°C)

–55

1.2205

1.2210

1.2215

105

1.2200

1.2195

1.2190

–35 –15

125

4108 G01

TEMPERATURE (°C)

–55

3.150

3.160

3.155

3.165

105

3.145

3.140

3.135

–35 –15

125

4108 G02

TEMPERATURE (°C)

–55

203.0

203.5

204.0

105

202.5

202.0

201.5

–35 –15

125

4108 G03

ROSC = 20k

COSC = 1nF

VDRAIN (V)

0.7

0.2

0.4

0.1

0.9

0.3

0.5

0.8

0.6

4180 G04

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