LT1512_15 datasheet(2/14 Pages) LINER

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LT1512

1512fc

For more information www.linear.com/LT1512

pin conFiguraTion

absoluTe MaxiMuM raTings

Input Voltage ........................................................... 30V

Switch Voltage ......................................................... 40V

S/S Pin Voltage ........................................................ 30V

FB Pin Voltage (Transient, 10ms) ...........................

±10V

VFB Pin Current ..................................................... 10mA

IFB Pin Voltage (Transient, 10ms) .......................... ±10V

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

Ambient Temperature Range

LT1512C (Note 2)..................................... 0°C to 70°C

LT1512I................................................ –40°C to 85°C

Operating Junction Temperature Range

LT1512C (Note 2).............................. –20°C to 125°C

LT1512I.............................................. –40°C to 125°C

Short Circuit.......................................... 0°C to 150°C

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

TOP VIEW

IFB

S/S

VSW

GND

GND S

VIN

N8 PACKAGE

8-LEAD PDIP

S8 PACKAGE

8-LEAD PLASTIC SO

TJMAx = 125°C, qJA = 100°C/w (N)

TJMAx = 125°C, qJA = 130°C/w (S)

NOTE: CONTACT FACTORy CONCERNING 16-LEAD

FUSED-LEAD GN PACKAGE wITH LOwER THERMAL RESISTANCE

elecTrical characTerisTics

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VREF

VFB Reference Voltage

Measured at FB Pin

VC = 0.8V

1.233

1.228

1.245

1.257

1.262

FB Input Current

VFB = VREF

300

550

600

FB Reference Voltage Line Regulation

2.7V ≤ VIN ≤ 25V, VC = 0.8V

0.01

0.03

%/V

The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VIN = 5V, VC = 0.6V, VFB = VREF, IFB = 0V, VSW and S/S pins open,

unless otherwise noted.

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT1512CN8#PBF

LT1512CN8#TRPBF

1512

8-Lead PDIP

0°C to 70°C

LT1512CS8#PBF

LT1512CS8#TRPBF

1512

8-Lead Plastic SO

0°C to 70°C

LT1512IN8#PBF

LT1512IN8#TRPBF

1512I

8-Lead PDIP

–40°C to 85°C

LT1512IS8#PBF

LT1512IS8#TRPBF

1512I

8-Lead Plastic SO

–40°C to 85°C

LEAD BASED FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT1512CN8

LT1512CN8#TR

1512

8-Lead PDIP

0°C to 70°C

LT1512CS8

LT1512CS8#TR

1512

8-Lead Plastic SO

0°C to 70°C

LT1512IN8

LT1512IN8#TR

1512I

8-Lead PDIP

–40°C to 85°C

LT1512IS8

LT1512IS8#TR

1512I

8-Lead Plastic SO

–40°C to 85°C

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

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/

(Note 1)

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