LT1175



1175fe

absoluTe MaxiMuM raTings

Input Voltage (Transient 1 sec, Note 11) ...................25V

Input Voltage (Continuous) .......................................20V

Input-to-Output Differential Voltage (Note 12)..........20V

5V SENSE Pin (with Respect to GND Pin)......... 2V, –10V

ADJ SENSE Pin

(with Respect to OUTPUT Pin)...................20V, –0.5V

5V SENSE Pin

(with Respect to OUTPUT Pin)......................20V, –7V

Output Reverse Voltage ..............................................2V

SHDN Pin to GND Pin Voltage (Note 2)........13.5V, –20V

pin conFiguraTion

Operating Junction Temperature Range

LT1175C................................................. 0°C to 125°C

LT1175I .............................................. –40°C to 125°C

Ambient Operating Temperature Range

LT1175C................................................... 0°C to 70°C

LT1175I ................................................–40°C to 85°C

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

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

1

2

3

4

8

7

6

5

TOP VIEW

OUTPUT

SENSE

SHDN

GND

N8 PACKAGE

8-LEAD PDIP

DEPENDING ON PC BOARD LAYOUT

SHDN

GND

SENSE

OUTPUT

Q PACKAGE

5-LEAD PLASTIC DD

FRONT VIEW

TAB

IS

5

4

3

2

1

DEPENDING ON PC MOUNTING.

SEE DATA SHEET FOR DETAILS

3

2

1

FRONT VIEW

TAB IS

GND

OUTPUT

ST PACKAGE

3-LEAD PLASTIC SOT-223

TOPSIDE LAND SOLDERED TO TAB

1

2

3

4

8

7

6

5

TOP VIEW

S8 PACKAGE

8-LEAD PLASTIC SO

OUTPUT

SENSE

SHDN

GND

DEPENDING ON PC BOARD LAYOUT

PINS 1, 8 ARE INTERNALLY CONNECTED TO DIE ATTACH PADDLE FOR HEAT SINKING.

ELECTRICAL CONTACT CAN BE MADE TO EITHER PIN. FOR BEST THERMAL RESISTANCE,

PINS 1, 8 SHOULD BE CONNECTED TO AN EXPANDED LAND THAT IS OVER AN INTERNAL

OR BACKSIDE PLANE.

SEE APPLICATIONS INFORMATION

T PACKAGE

5-LEAD PLASTIC TO-220

FRONT VIEW

5

4

3

2

1

SHDN

GND

SENSE

OUTPUT

TAB IS

(Note 1)