LTZ1000/LTZ1000A
2
1000afe
For more information www.linear.com/LTZ1000
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 ≤ T
A
≤ 125°C
Storage Temperature Range ............–65°C ≤ T
A
≤ 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 l
Z
= 5mA, (V
Z
+ VBE
Q1
) I
Q1
= 100µA
l
Z
= 1mA, (V
Z
+ VBE
Q1
) I
Q1
= 100µA
7.0
6.9
7.2
7.15
7.5
7.45
V
V
Zener Change with Current 1mA ≤ I
Z
< 5mA 80 240 mV
Zener Leakage Current V
Z
= 5V 20 200 µA
Zener Noise l
Z
= 5mA, 0.1Hz < f < 10Hz
1
Q1
= 100µA
1.2 2 µV
P-P
Heater Resistance I
L
≤ 100µA 200 300 420
Ω
Heater Breakdown Voltage 35 V
Transistor Q1 Breakdown I
C
= 10µA, LVCEO 15 20 V
Transistor Q2 Breakdown I
C
= 10µA, LVCEO 35 50 V
Q1, Q2 Current Gain I
C
= 100µA 80 200 450
Thermal Resistance LTZ1000 Time = 5 Minutes
LTZ1000A Time = 5 Minutes
80
400
°C/W
°C/W
Long-T
erm Stability T = 65°C 2 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 LT Z 1000A devices
are QA tested at –55°C and 125°C.
pin conFiguraTion
BOTTOM VIEW
H8 PACKAGE
TO-5 METAL CAN
1
7V
Q1
Q2
3
5
4
8
7
6 2
T
JMAX
= 150°C,
LTZ1000CH: θ
JA
= 80°C/W
LTZ1000ACH: θ
JA
= 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 LTZ1000ACH 8-Lead TO-5 Metal Can (.200 Inch PCD) –55°C to 125°C
LTZ1000CH 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/
