LT1389 datasheet(2/8 Pages) LINER

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LTZ1000/LTZ1000A

1000afd

absoluTe MaxiMuM raTings

Heater to Substrate...................................................35V

Collector Emitter Breakdown Q1 ...............................15V

Collector Emitter Breakdown Q2...............................35V

Emitter Base Reverse Bias ..........................................2V

Operating Temperature Range .........–55°C ≤ TA ≤ 125°C

Storage Temperature Range ............–65°C ≤ TA ≤ 150°C

Substrate Forward Bias............................................ 0.1V

(Note 1)

elecTrical characTerisTics

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Zener Voltage

lZ = 5mA, (VZ + VBEQ1) IQ1 = 100µA

lZ = 1mA, (VZ + VBEQ1) IQ1 = 100µA

7.0

6.9

7.2

7.15

7.5

7.45

Zener Change with Current

1mA ≤ IZ < 5mA

240

Zener Leakage Current

VZ = 5V

200

µA

Zener Noise

lZ = 5mA, 0.1Hz < f < 10Hz

1Q1 = 100µA

1.2

µVP-P

Heater Resistance

IL ≤ 100µA

200

300

420

Heater Breakdown Voltage

Transistor Q1 Breakdown

IC = 10µA, LVCEO

Transistor Q2 Breakdown

IC = 10µA, LVCEO

Q1, Q2 Current Gain

IC = 100µA

200

450

Thermal Resistance

LTZ1000

Time = 5 Minutes

LTZ1000A

Time = 5 Minutes

400

°C/W

Long-Term Stability

T = 65°C

µV√kHr

(Note 2)

Note 2: All testing is done at 25°C. Pulse testing is used for LTZ1000A to

minimize temperature rise during testing. LTZ1000 and LTZ1000A devices

are QA tested at –55°C and 125°C.

pin conFiguraTion

BOTTOM VIEW

H8 PACKAGE

TO-5 METAL CAN

TJMAX = 150°C,

LTZ1000CH:

θJA = 80°C/W

LTZ1000ACH:

θJA = 400°C/W

orDer inForMaTion

LEAD FREE FINISH

PART MARKING

PACKAGE DESCRIPTION

SPECIFIED TEMPERATURE RANGE

LTZ1000ACH#PBF

LTZ1000ACH

8-Lead TO-5 Metal Can (.200 Inch PCD)

–55°C to 125°C

LTZ1000CH#PBF

LTZ1000CH

8-Lead TO-5 Metal Can (.200 Inch PCD)

–55°C to 125°C

LEAD BASED FINISH

PART MARKING

PACKAGE DESCRIPTION

SPECIFIED TEMPERATURE RANGE

LTZ1000ACH

8-Lead TO-5 Metal Can (.200 Inch PCD)

–55°C to 125°C

LTZ1000CH

8-Lead TO-5 Metal Can (.200 Inch PCD)

–55°C to 125°C

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

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

This product is only offered in trays. For more information go to: http://www.linear.com/packaging/

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