TS3003DB datasheet(1/4 Pages) TOUCHSTONE

Teilenummer	TS3003DB

Bauteilbeschribung	A 1.55V to 5.25V, 1.9A, 9kHz to 300kHz Silicon Timer

PDF	4 Pages

Scroll/Zoom	100%

Hersteller	TOUCHSTONE [Touchstone Semiconductor Inc]

Direct Link	http://www.touchstonesemi.com

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1 / 4 page

TS3003 Demo Board

Page 1

FEATURES

 5V Supply Voltage

 FOUT/PWMOUT Output Period: 40µs(25kHz)

o

RSET = 4.32

MΩ

 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

MΩ

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

Ähnliche Beschreibung - TS3003DB

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