LT3695 datasheet(3/28 Pages) LINER

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LT3695

3695f

ELECTRICAL CHARACTERISTICS The l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 10V, VRUN/SS = 10V, unless otherwise noted. (Note 4)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Operating Voltage (Note 6)

VBD = 3.3V

VBD < 3V

3.4

3.6

4.3

VIN Overvoltage Lockout

39.9

Quiescent Current from VIN

VRUN/SS = 0.2V

VRUN/SS = 10V, VBD = 3.3V, Not Switching

VRUN/SS = 10V, VBD = 0V, Not Switching

0.01

0.5

160

μA

Quiescent Current from BD Pin

VRUN/SS = 0.2V

VRUN/SS = 10V, VBD = 3.3V, Not Switching

VRUN/SS = 10V, VBD = 0V, Not Switching

0.01

0.5

100

–5

μA

Minimum BD Pin Voltage

2.8

Feedback Voltage

792

785

800

808

815

FB Pin Bias Current

FB Pin Voltage = 800mV

–5

–40

Reference Voltage Line Regulation

3.6V < VIN < 36V

0.001

0.005

%/V

Error Amp gm

IVC = ±1.5μA

430

μS

Error Amp Voltage Gain

1300

V/V

VC Source Current

μA

VC Sink Current

μA

VC Pin to Switch Current Gain

1.25

A/V

VC Switching Threshold

0.4

0.6

0.8

VC Clamp Voltage

Switching Frequency

RRT = 8.06k

RRT = 29.4k

RRT = 158k

1.98

0.9

225

2.2

1.0

250

2.42

1.1

275

MHz

kHz

Minimum Switch Off-Time

E- and I-Grades

H-Grade

130

210

250

Switch Current Limit (Note 7)

SYNC = 0V

SYNC = 3.3V or Clocked

1.45

1.18

1.7

1.4

1.66

Switch VCESAT

ISW = 1A

350

DA Pin Current to Stop OSC

1.25

1.6

1.95

Switch Leakage Current

VSW = 0V, VIN = 36V

0.01

μA

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