TI-TL432B-Q1.pdf
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DBZ (SOT-23-3) PACKAGE
(TOP VIEW)
1
2
3
REF
CATHODE
ANODE
TL432A-Q1
TL432B-Q1
www.ti.com
SLVS900A –NOVEMBER 2008–REVISED JULY 2012
ADJUSTABLE PRECISION SHUNT REGULATORS
Check for Samples: TL432A-Q1, TL432B-Q1
1
FEATURES
• Typical Temperature Drift...14 mV
• Low Output Noise
• Qualified for Automotive Applications
• Typical Output Impedance...0.2 Ω
• AEC-Q100 Qualified With the Following
Results:
• Sink Current Capability...1 mA to 100 mA
– Device Temperature Grade 1: –40°C to
• Adjustable Output Voltage...V
ref
to 36 V
125°C Ambient Operating Temperature
Range
– Device HBM ESD Classification Level H2
– Device CDM ESD Classification Level C3B
• Operation From –40°C to 125°C
• Reference Voltage Tolerance at 25°C
– 0.5%...B Grade
– 1%...A Grade
DESCRIPTION/ORDERING INFORMATION
The TL432x-Q1 devices are three-terminal adjustable shunt regulators with specified thermal stability over the
automotive temperature range. The output voltage can be set to any value between V
ref
(approximately 2.5 V)
and 36 V with two external resistors (see Figure 17). These devices have a typical output impedance of 0.2 Ω.
Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements
for Zener diodes in many applications such as onboard regulation, adjustable power supplies, and switching
power supplies.
The TL432x-Q1 devices are offered in two grades with initial tolerances (at 25°C) of 0.5% and 1%, for the B and
A grade, respectively. In addition, low output drift vs temperature ensures good stability over the entire
temperature range.
The devices are characterized for operation from –40°C to 125°C.
ORDERING INFORMATION
(1)
V
ref
TOLERANCE ORDERABLE
T
A
PACKAGE
(2)
TOP-SIDE MARKING
(T
A
= 25°C) PART NUMBER
A Grade: 1% TL432AQDBZRQ1 TOIQ
–40°C to 125°C SOT23 – DBZ Reel of 3000
B Grade: 0.5 % TL432BQDBZRQ1 TOHQ
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2008–2012, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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