LT1175 查看數據表（PDF） - Linear Technology

零件编号

产品描述 (功能)

比赛名单

LT1175

500mA Negative Low Dropout Micropower Regulator

Linear Technology 

LT1175

Absolute Maximum Ratings

(Note 1)

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

SHDN Pin to VIN Pin Voltage.............................30V, –5V

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

Pin Configuration

VIN 1

ILIM2 2

OUTPUT 3

SENSE 4

TOP VIEW

8 VIN

7 ILIM4

6 SHDN

5 GND

N8 PACKAGE

8-LEAD PDIP

θJA = 80°C/W TO 120°C/W

DEPENDING ON PC BOARD LAYOUT

FRONT VIEW

5

SHDN

TAB

4

GND

IS

3

VIN

VIN

2

SENSE

1

OUTPUT

Q PACKAGE

5-LEAD PLASTIC DD

θJA = 27°C/W TO 60°C/W

DEPENDING ON PC MOUNTING.

SEE DATA SHEET FOR DETAILS

TAB IS

VIN

FRONT VIEW

3 GND

2 VIN

1 OUTPUT

ST PACKAGE

3-LEAD PLASTIC SOT-223

θJA = 50°C/W

WITH BACKPLANE AND 10cm2

TOPSIDE LAND SOLDERED TO TAB

TOP VIEW

VIN 1

ILIM2 2

OUTPUT 3

SENSE 4

8 VIN

7 ILIM4

6 SHDN

5 GND

S8 PACKAGE

8-LEAD PLASTIC SO

θJA = 60°C/W TO 100°C/W

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

TAB IS

VIN

FRONT VIEW

5

4

3

2

1

T PACKAGE

5-LEAD PLASTIC TO-220

θJA = 50°C/W, θJC = 5°C/W

SHDN

GND

VIN

SENSE

OUTPUT

1175fe



Share Link: