LT1312_15 datasheet(2/12 Pages) LINER

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LT1312

ABSOLUTE MAXIMUM RATINGS

PACKAGE/ORDER INFORMATION

Supply Voltage ........................................................ 22V

Digital Input Voltage ........................ 7V to (GND – 0.3V)

Sense Input Voltage ......................... 7V to (GND – 0.3V)

Valid Output Voltage ...................... 15V to (GND – 0.3V)

Output Short-Circuit Duration .......................... Indefinite

Operating Temperature ................................ 0

°C to 70°C

Junction Temperature ................................ 0

°C to 125°C

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

°C to 150°C

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

°C

LT1312CS8

ORDER PART

NUMBER

Consult factory for Industrial and Military grade parts.

TJMAX = 125°C, θJA = 150°C/ W

1312

S8 PART MARKING

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VPPOUT

Output Voltage

Program to 12V, IOUT ≤ 120mA (Note 1)

11.52

12.00

12.48

Program to 5V, IOUT ≤ 30mA (Note 1)

4.75

5.00

5.25

Program to 3.3V, IOUT ≤ 30mA (Note 1)

3.135

3.30

3.465

Program to 0V, IOUT = – 300µA

0.42

0.60

ILKG

Output Leakage

Program to Hi-Z, 0V

≤ VPPOUT ≤ 12V

–10

µA

Supply Current

Program to 0V

µA

Program to Hi-Z

µA

Program to 12V, No Load

230

360

µA

Program to 5V, No Load

120

µA

Program to 3.3V, No Load

µA

Program to 12V, IOUT = 120mA

126

132

Program to 5V, IOUT = 30mA

Program to 3.3V, IOUT = 30mA

ILIM

Current Limit

Program to 3.3V, 5V or 12V

330

500

VENH

Enable Input High Voltage

2.4

VENL

Enable Input Low Voltage

0.4

IENH

Enable Input High Current

2.4V

≤ VIN ≤ 5.5V

µA

IENL

Enable Input Low Current

≤ VIN ≤ 0.4V

0.01

µA

VSEN5

VCC Sense Threshold

VPPOUT = 3.3V to 5V

3.60

4.05

4.50

VSEN3

VCC Sense Threshold

VPPOUT = 5V to 3.3V

3.60

4.00

4.50

ISEN

VCC Sense Input Current

VSENSE = 5V

µA

VSENSE = 3.3V

µA

VVALID TH

VPP VALID Threshold Voltage

Program to 12V

10.5

11.5

IVALID

VPP VALID Output Drive Current

Program to 12V, VVALID = 0.4V

3.3

VPP VALID Output Leakage Current

Program to 0V, VVALID = 12V

0.1

µA

The q denotes the specifications which apply over the full operating

temperature range.

Note 1: For junction temperatures greater than 110

°C, a minimum load

of 1mA is recommended.

VS = 13V to 20V, TA = 25°C, unless otherwise noted.

TOP VIEW

S8 PACKAGE

8-LEAD PLASTIC SO

GND

ENO

EN1

VALID

VPPOUT

N.C.

SENSE

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