LTC1696 datasheet(2/14 Pages) LINER

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LTC1696

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For more information www.linear.com/LTC1696

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Supply Voltage (VCC) ................................................28V

Input Voltage

FB1, FB2 ............................................... –0.3V to 17V

TIMER/RESET........................................ –0.3V to 17V

Operating Junction Temperature Range (Note 2)

LTC1696E........................................... –40°C to 125°C

LTC1696I............................................ –40°C to 125°C

LTC1696H .......................................... –40°C to 150°C

Storage Temperature Range................... –65°C to 150°C

Lead Temperature (Soldering, 10 sec) .................. 300°C

(Note 1)

ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VCC

Supply Voltage Range

Operating Range

●

2.7

IVCC

Standby Supply Current

FB1, FB2 < VFB

●

170

540

µA

Active Supply Current

FB1, FB2 > VFB, COUT = 1000pF

●

1.1

3.5

VFB

FB1, FB2 Feedback Threshold

Voltage Going Positive TA ≥ 0°C and TA ≤ 85°C

TA ≥ 0°C and TA ≤ 125°C

TA ≥ 0°C and TA ≤ 150°C

TA < 0°C

●

0.862

0.858

0.853

0.880

0.898

0.907

IFB

FB1, FB2 Input Current

●

–1

–0.05

µA

VFBHST

FB1, FB2 Feedback Hysteresis

High-to-Low Transition

VLKO

VCC Undervoltage Lockout

Low-to-High Transition

High-to-Low Transition

FB1, FB2 > VFB

●

1.75

1.64

2.05

1.94

2.35

2.24

VLKH

VCC Undervoltage Lockout Hysteresis

FB1, FB2 > VFB

110

VRST

TIMER/RESET Reset Low Threshold

FB1, FB2 > VFB

●

0.78

0.865

0.95

VTIM

TIMER/RESET Timer High Threshold

FB1, FB2 > VFB,

TA ≤ 85°C

TA ≤ 125°C

TA ≤ 150°C

●

1.11

1.08

1.07

1.185

1.26

The l denotes the specifications which apply over the specified operating

junction temperature range, otherwise specifications are at TA = 25°C. 2.7V ≤ VCC ≤ 27V (Notes 2, 3, 4) unless otherwise noted.

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC1696ES6#PBF

LTC1696ES6#TRPBF

LTLT

6-Lead Plastic TSOT-23

–40°C to 125°C

LTC1696IS6#PBF

LTC1696IS6#TRPBF

LTLT

6-Lead Plastic TSOT-23

–40°C to 125°C

LTC1696HS6#PBF

LTC1696HS6#TRPBF

LTLT

6-Lead Plastic TSOT-23

–40°C to 150°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

Consult LTC Marketing for information on nonstandard lead based finish parts.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/

FB1 1

GND 2

VCC 3

5 FB2

4 OUT

TOP VIEW

TIMER/

RESET

S6 PACKAGE

6-LEAD PLASTIC TSOT-23

TJMAX = 150°C, θJA = 192°C/W

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