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TS3003DB データシート(PDF) 1 Page - Touchstone Semiconductor Inc

部品番号 TS3003DB
部品情報  A 1.55V to 5.25V, 1.9A, 9kHz to 300kHz Silicon Timer
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メーカー  TOUCHSTONE [Touchstone Semiconductor Inc]
ホームページ  http://www.touchstonesemi.com
Logo TOUCHSTONE - Touchstone Semiconductor Inc

TS3003DB データシート(HTML) 1 Page - Touchstone Semiconductor Inc

  TS3003DB Datasheet HTML 1Page - Touchstone Semiconductor Inc TS3003DB Datasheet HTML 2Page - Touchstone Semiconductor Inc TS3003DB Datasheet HTML 3Page - Touchstone Semiconductor Inc TS3003DB Datasheet HTML 4Page - Touchstone Semiconductor Inc  
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TS3003 Demo Board
Page 1
© 2013 Touchstone Semiconductor, Inc. All rights reserved.
FEATURES
 5V Supply Voltage
 FOUT/PWMOUT Output Period: 40µs(25kHz)
o
RSET = 4.32
 PWMOUT Output Duty Cycle:
o
75% for FDIV2:0 = 000
o
CPWM = 100pF
 PWMOUT Duty Cycle Reduction
o
1MΩ Potentiometer
 Fully Assembled and Tested
 2in x 2in 2-layer circuit board
COMPONENT LIST
DESIGNATION
QTY
DESCRIPTION
C1
1
100pF ±10%
capacitor (0805)
C2
1
4.7µF ±10%
capacitor (0805)
R2
1
10
MΩ ± 1% (0805)
R1
1
4.32
MΩ ± 1% (0805)
PWM_ADJ
1
1MΩ Potentiometer
U1
1
TS3003
VDD,F_OUT,
PWM_OUT
3
Test points
J1
1
Jumper
DESCRIPTION
The TS3003 is a single-supply, second-generation
Touchstone Semi oscillator/timer fully specified to
operate at a supply voltage range of 1.55V to 5.25V
while
consuming
less
than
2.4
μA(max) supply
current. Requiring only a resistor to set the base
output frequency (or output period) at 25kHz (or
40µs)
with
a
50%
duty
cycle,
the
TS3003
timer/oscillator is compact, easy-to-use, and versatile.
Optimized
for
ultra-long
life,
low
frequency,
battery-powered/portable applications, TS3003 joins
the TS3001, TS3002, TS3004, and TS3006 in
Touchstone’s CMOS timer family in its “NanoWatt
Analog™”
series
of
high-performance
analog
integrated circuits.
The TS3003 requires only an RSET = 4.32
resistor to set the FOUT/PWMOUT output period to
40µs(25kHz).
With
an
on-board
100pF
CPWM
capacitor, the duty cycle of PWMOUT is set at
approximately 75%. Further reduction of the duty
cycle
is
available
with
an
on-
board
1MΩ
potentiometer. The complete circuit is designed at a
supply voltage of 5V. The TS3003 is fully specified
over the -40°C to +85°C temperature range and is
available in a low-profile, 10-pin 3x3mm TDFN
package with an exposed back-side paddle.
Product datasheet and additional documentation can
be
found
on
the
factory
web
site
at
www.touchstonesemi.com.
ORDERING INFORMATION
Order Number
Description
TS3003DB
TS3003
Demo Board
A 1.55V to 5.25V, 1.9µA, 9kHz to 300kHz Silicon Timer
Figure 1. TS3003 Demo Board Circuit


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