LTC2925IGN datasheet(2/20 Pages) LINER

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LTC2925

2925f

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VCC

Input Supply Range

2.9

5.5

ICC

Input Supply Current

IFBx = 0, ITRACKx = 0, IRAMPBUF = 0

1.5

IFBx = –1mA, ITRACKx = –1mA,

10.5

IRAMPBUF = –3mA

VCC(UVL)

Input Supply Undervoltage Lockout

VCC Rising

2.3

2.5

2.7

PACKAGE/ORDER I FOR ATIO

Supply Voltage (VCC) ................................. –0.3V to 10V

Input Voltages

ON, PGI, SENSEP, SENSEN ..................... –0.3V to 10V

TRACK1, TRACK2, TRACK3 .......... –0.3V to VCC + 0.3V

SCTMR, SDTMR, PGTMR ............. –0.3V to VCC + 0.3V

Output Voltages

FAULT, SD1, SD2, SD3,

FB1, FB2, FB3, STATUS ......................... –0.3V to 10V

RAMPBUF, REMOTE ..................... –0.3V to VCC + 0.3V

RAMP .............................................. –0.3V to VCC + 1V

ORDER PART

NUMBER

UF PART

MARKING

TJMAX = 125°C, θJA = 85°C/W

Consult LTC Marketing for parts specified with wider operating temperature ranges.

2925

LTC2925CUF

LTC2925IUF

ABSOLUTE

AXI U

RATI GS

(Notes 1, 2)

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

temperature range, otherwise specifications are at TA = 25°C. VCC = 5V unless otherwise noted.

GATE (Note 3) ........................................ –0.3 to 11.5V

Average Current

TRACK1, TRACK2, TRACK3 .................................. 5mA

FB1, FB2, FB3 ....................................................... 5mA

Operating Temperature Range

LTC2925C ............................................... 0

°C to 70°C

LTC2925I ............................................. –40

°C to 85°C

Storage Temperature Range .................. –65

°C to 150°C

Lead Temperature (Soldering, 10 sec)

MS Package ..................................................... 300

°C

ORDER PART

NUMBER

GN PART

MARKING

LTC2925CGN

LTC2925IGN

LTC2925CGN

LTC2925IGN

24 23 22 21 20 19

TOP VIEW

UF PACKAGE

24-LEAD (4mm

× 4mm) PLASTIC QFN

EXPOSED PAD (PIN 25) INTERNALLY CONNECTED

TO GND (PCB CONNECTION OPTIONAL)

10 11 12

SDTMR

SD1

SD2

SD3

RAMPBUF

STATUS

FAULT

GATE

RAMP

REMOTE

FB1

TJMAX = 125°C, θJA = 37°C/W

TOP VIEW

GN PACKAGE

24-LEAD PLASTIC SSOP

VCC

SENSEP

SENSEN

SDTMR

SD1

SD2

SD3

RAMPBUF

GND

FB3

TRACK3

SCTMR

PGTMR

PGI

STATUS

FAULT

GATE

RAMP

REMOTE

FB1

TRACK1

TRACK2

FB2

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