LT1947_15 datasheet(2/12 Pages) LINER

2 / 12 page

LT1947

1947fa

VIN Voltage ................................................................ 8V

CT Voltage.................................................................. 6V

SW1, SW2 Voltage .................................................. 36V

VON, VO2 Voltage ..................................................... 30V

ORDER PART

NUMBER

MSE PART MARKING

LTBQW

LT1947EMSE

(Note 1)

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

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

Order Options Tape and Reel: Add #TR, Lead Free: Add #PBF, Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

FB1, FB2 .................................................................... 3V

SHDN ......................................................................... 8V

Operating Temperature Range (Note 2) .. – 40

°C to 85°C

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

°C

FB1

FB2

SW1

GND

VON

VO2

SHDN

SW2

VIN

TOP VIEW

MS PACKAGE

10-LEAD PLASTIC MSOP

ORDER PART

NUMBER

MS PART MARKING

LTUE

LT1947EMS

TJMAX = 125°C, θJA = 120°C/W

TJMAX = 125°C, θJA = 40°C/W

FB1

FB2

SW1

GND

VON

V02

SHDN

SW2

VIN

TOP VIEW

MSE PACKAGE

10-LEAD PLASTIC MSOP

EXPOSED PAD (PIN 11) IS GND

MUST BE SOLDERED TO PCB

The

● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VIN = 3.3V, VSHDN = 3.3V unless otherwise specified.

ELECTRICAL CHARACTERISTICS

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

2.7

Supply Current

SHDN = 2.4V

9.5

12.5

SHDN = 0V

µA

FB1 Voltage

1.240

1.26

1.280

●

1.225

1.295

FB2 Voltage

1.225

1.26

1.295

●

1.210

1.310

Reference Line Regulation

VIN = 2.7V to 8V

0.01

0.05

%/V

LT1947 数据表(PDF) 2 Page - Linear Technology

LT1947 数据表(HTML) 2 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12

数据表下载