LTC6993-1/LTC6993-2
LTC6993-3/LTC6993-4
TimerBlox: Monostable
Pulse Generator (One Shot)
Fea T Descrip T
n
Pulse Width Range: 1s to 33.6 Seconds The LTC 6993 is a monostable multivibrator (also known
n
Configured with 1 to 3 Resistors as a one-shot pulse generator) with a programmable
n
Pulse Width Max Error: pulse width of 1s to 33.6 seconds. The LTC6993 is part
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<2.3% for Pulse Width > 512s of the TimerBlox family of versatile silicon timing devices.
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<3.4% for Pulse Width of 8s to 512s
A single resistor, R , programs an internal master os-
SET
n
<4.9% for Pulse Width of 1s to 8s
cillator frequency, setting the LTC6993s time base. The
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Four LTC6993 Options Available:
output pulse width is determined by this master oscillator
n
Rising-Edge or Falling-Edge Trigger
and an internal clock divider, N , programmable to eight
DIV
n
Retriggerable or Non-Retriggerable
21
settings from 1 to 2 .
n
Configurable for Positive or Negative Output Pulse
n N R
Fast Recovery Time 21
DIV SET
t = 1s, N = 1, 8, 64,...,2
OUT DIV
n
2.25V to 5.5V Single Supply Operation
50k
n
70A Supply Current at 10s Pulse Width
The output pulse is initiated by a transition on the trigger
n
500s Start-Up Time
input (TRIG). Each part can be configured to generate posi-
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CMOS Output Driver Sources/Sinks 20mA
tive or negative output pulses. The LTC6993 is available
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55C to 125C Operating Temperature Range
in four versions to provide different trigger signal polarity
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Available in Low Profile (1mm) SOT-23 (ThinSOT)
and retrigger capability.
and 2mm 3mm DFN
DEVICE INPUT POLARITY RETRIGGER
LTC6993-1 Rising-Edge No
a T
LTC6993-2 Rising-Edge Yes
n
Watchdog Timer
LTC6993-3 Falling-Edge No
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Frequency Discriminators
LTC6993-4 Falling-Edge Yes
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Missing Pulse Detection
The LTC6993 also offers the ability to dynamically adjust
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Envelope Detection
the width of the output pulse via a separate control voltage.
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High Vibration, High Acceleration Environments
n For easy configuration of the LTC6993, download the
Portable and Battery-Powered Equipment
TimerBlox Designer tool at www.linear.com/timerblox.
L, LT, LTC, LTM, Linear Technology, TimerBlox and the Linear logo are registered trademarks
and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
Typical a T
Envelope Detector
80kHz CARRIER
TRIG
MODULATED SIGNAL
TRIG OUT
2V/DIV
CARRIER ENVELOPE
LTC6993-2
3.3V
+
GND V
16s
0.1F
OUT
2V/DIV
SET DIV
R
SET
69931234 TA01a
800k
69931234 TA01b
50s/DIV
69931234fc
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For more information www.linear.com/LTC6993-1
ion pplica
ions pplica
ion uresLTC6993-1/LTC6993-2
LTC6993-3/LTC6993-4
a Te Maxi Mu M r a T (Note 1)
+
Supply Voltage (V ) to GND ........................................6V Specified Temperature Range (Note 3)
Maximum Voltage on Any Pin LTC6993C ................................................ 0C to 70C
+
.................................. (GND 0.3V) V (V + 0.3V) LTC6993I .............................................40C to 85C
PIN
Operating Temperature Range (Note 2) LTC6993H .......................................... 40C to 125C
LTC6993C ............................................40C to 85C LTC6993MP ....................................... 55C to 125C
LTC6993I .............................................40C to 85C Junction Temperature ........................................... 150C
LTC6993H .......................................... 40C to 125C Storage Temperature Range .................. 65C to 150C
LTC6993MP ....................................... 55C to 125C Lead Temperature (Soldering, 10 sec)
S6 Package .......................................................300C
p in c F T
TOP VIEW
TOP VIEW
+
6 OUT
V 1
TRIG 1 6 OUT
7 5 GND
DIV 2
+
GND 2 5 V
TRIG
SET 3 4
SET 3 4 DIV
DCB PACKAGE
S6 PACKAGE
6-LEAD (2mm 3mm) PLASTIC DFN
6-LEAD PLASTIC TSOT-23
T = 150C, = 64C/W, = 10.6C/W
JMAX JA JC T = 150C, = 192C/W, = 51C/W
JMAX JA JC
EXPOSED PAD (PIN 7) CONNECTED TO GND,
PCB CONNECTION OPTIONAL
o r Der i n F Ma T
Lead Free Finish
TAPE AND REEL (MINI) TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE
LTC6993CDCB-1#TRMPBF LTC6993CDCB-1#TRPBF LDXH 6-Lead (2mm 3mm) Plastic DFN 0C to 70C
LTC6993IDCB-1#TRMPBF LTC6993IDCB-1#TRPBF LDXH 6-Lead (2mm 3mm) Plastic DFN 40C to 85C
LTC6993HDCB-1#TRMPBF LTC6993HDCB-1#TRPBF LDXH 6-Lead (2mm 3mm) Plastic DFN 40C to 125C
LTC6993CDCB-2#TRMPBF LTC6993CDCB-2#TRPBF LDXK 6-Lead (2mm 3mm) Plastic DFN 0C to 70C
LTC6993IDCB-2#TRMPBF LTC6993IDCB-2#TRPBF LDXK 6-Lead (2mm 3mm) Plastic DFN 40C to 85C
LTC6993HDCB-2#TRMPBF LTC6993HDCB-2#TRPBF LDXK 6-Lead (2mm 3mm) Plastic DFN 40C to 125C
LTC6993CDCB-3#TRMPBF LTC6993CDCB-3#TRPBF LFMJ 6-Lead (2mm 3mm) Plastic DFN 0C to 70C
LTC6993IDCB-3#TRMPBF LTC6993IDCB-3#TRPBF LFMJ 6-Lead (2mm 3mm) Plastic DFN 40C to 85C
LTC6993HDCB-3#TRMPBF LTC6993HDCB-3#TRPBF LFMJ 6-Lead (2mm 3mm) Plastic DFN 40C to 125C
LTC6993CDCB-4#TRMPBF LTC6993CDCB-4#TRPBF LFMM 6-Lead (2mm 3mm) Plastic DFN 0C to 70C
LTC6993IDCB-4#TRMPBF LTC6993IDCB-4#TRPBF LFMM 6-Lead (2mm 3mm) Plastic DFN 40C to 85C
LTC6993HDCB-4#TRMPBF LTC6993HDCB-4#TRPBF LFMM 6-Lead (2mm 3mm) Plastic DFN 40C to 125C
LTC6993CS6-1#TRMPBF LTC6993CS6-1#TRPBF LTDXG 6-Lead Plastic TSOT-23 0C to 70C
LTC6993IS6-1#TRMPBF LTC6993IS6-1#TRPBF LTDXG 6-Lead Plastic TSOT-23 40C to 85C
LTC6993HS6-1#TRMPBF LTC6993HS6-1#TRPBF LTDXG 6-Lead Plastic TSOT-23 40C to 125C
69931234fc
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For more information www.linear.com/LTC6993-1
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