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Functional Arrays Relay drivers DRDC3105E60 pages
A Product Line of
Diodes Incorporated
DRDC3105
INTEGRATED RELAY, INDUCTIVE LOAD DRIVER
Description and Applications
Features and Benefits
The DRDC3105 is an integrated solid-state DC relay driver that can
switch inductive loads. It provides a robust driver interface by acting as
a buffer stage between sensitive logic circuits and that of 3V to 6V DC
inductive relay coils. With a low input drive current requirement, the
DRDC3105 only has slight loading on the input circuitry and it will
provide good transient isolation between output and input channels.
The output switch is guaranteed by design to go open-circuit and fall
into the off-state condition when input drive is lost or disconnected.
In the industry standard SOT23 and SOT26, the DRDC3105 comes as
a single or dual die which can replace three to six individual discrete
components within a single integrated package, including a Zener
across the output. The Zener will clamp at 6.6V to sink inductive
currents to ground which will reduce EMI noise in the system. By
integrating the Zener, the DRDC3105 eliminates the need for an
external free-wheeling diode and allows the driving of inductive loads
such as relays, solenoids, incandescent lamps, and small DC motors in:
Automotive: 5.0 V Driven Relays, Lamp Drivers, Motor Controls
Telecom equipment: Modems, DSL, Cable (EMTA), Line Cards,
IP-PBX, Analog Terminal Adaptors, End User Telecom Equipment
Desktop Computers, Printers, Photocopiers
LCD & Plasma TVs, Set Top Boxes
Consumer Appliances, White Goods, Automated Door Control
Industrial Equipment Inc. Process Control, ATE equipment
Solar Inverters
SOT23
Inductive load driver capable of driving 3 to 6V DC coils
Optimized to switch inductive loads from supply of 3 to 5V with
the capability to drive coils up to 2.5W from a 5V rail
Fully integrated into a single SOT23 or dual SOT26 package to
minimize footprint area and reduce number of components
Includes Zener across output to reduce EMI noise
Internal low saturation BJT to reduce power dissipation in driving
high currents into the coil
Output guaranteed to be in off-state condition during no input
Near – Zero quiescent supply current in off-state condition with
minimal leakage
Rugged design and inherently robust by using solid-state BJT
technology integrated into a single die
ESD Protected up to 1kV on Human Body Model (HBM)
Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)
Halogen and Antimony Free. "Green" Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
Case: SOT23 & SOT26
Case material: “Green” plastic molding compound (Note 2)
UL Flammability Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish – Matte Tin Plated Leads, Solderable per
MIL-STD-202, Method 208
Weight: SOT23 = 0.008 grams (Approximate)
SOT26 = 0.018 grams (Approximate)
SOT26
SOT23
SOT26
GND
ESD PROTECTED
HBM TO 1kV
IN
OUT2
GND2
Top View
Pin-Out
Top View
Pin-Out
Top View
IN1
IN2
OUT
Top View
OUT1
GND1
Ordering Information (Note 4)
Product
DRDC3105F-7
DRDC3105E6-7
Notes:
Package
SOT23
SOT26
Marking
1R6
3105
Reel size (inches)
7
7
Tape width (mm)
8
8
Quantity per reel
3,000
3,000
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen and Antimony free, "Green"
and Lead-Free.
3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl)
and <1000ppm antimony compounds.
4. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
1R6
DRDC3105
Document number: DS35213 Rev. 4 - 2
1R6 = SOT23, Product Type Marking Code
3105 = SOT26, Product Type Marking Code
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www.diodes.com
March 2013
© Diodes Incorporated
