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LTC6992HDCB-1#PBF

Description
LTC6992 - TimerBlox: Voltage-Controlled Pulse Width Modulator (PWM); Package: DFN; Pins: 6; Temperature Range: -40°C to 125°C
CategoryAnalog mixed-signal IC    The signal circuit   
File Size514KB,34 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC6992HDCB-1#PBF Overview

LTC6992 - TimerBlox: Voltage-Controlled Pulse Width Modulator (PWM); Package: DFN; Pins: 6; Temperature Range: -40°C to 125°C

LTC6992HDCB-1#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeDFN
package instructionHVSON, SOLCC6,.12,20
Contacts6
Manufacturer packaging codeDCB
Reach Compliance Codecompli
ECCN codeEAR99
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeR-PDSO-N6
JESD-609 codee3
length3 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals6
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC6,.12,20
Package shapeRECTANGULAR
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.25 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width2 mm
FeaTures
n
n
LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
TimerBlox:
Voltage-Controlled Pulse
Width Modulator (PWM)
DescripTion
The LTC
®
6992 is a silicon oscillator with an easy-to-use
analog voltage-controlled pulse width modulation (PWM)
capability. The LTC6992 is part of the TimerBlox
®
family
of versatile silicon timing devices.
A single resistor, R
SET
, programs the LTC6992’s inter-
nal master oscillator frequency. The output frequency
is determined by this master oscillator and an internal
frequency divider, N
DIV
, programmable to eight settings
from 1 to 16384.
f
OUT
=
1MHz 50kΩ
, N
DIV
= 1,4,16 …16384
N
DIV
R
SET
n
n
n
n
n
n
n
n
n
n
n
Pulse Width Modulation (PWM) Controlled by
Simple 0V to 1V Analog Input
Four Available Options Define Duty Cycle Limits
Minimum Duty Cycle at 0% or 5%
Maximum Duty Cycle at 95% or 100%
Frequency Range: 3.81Hz to 1MHz
Configured with 1 to 3 Resistors
<1.7% Maximum Frequency Error
PWM Duty Cycle Error < 3.7% Maximum
Frequency Modulation (VCO) Capability
2.25V to 5.5V Single Supply Operation
115μA Supply Current at 100kHz
500μs Start-Up Time
CMOS Output Driver Sources/Sinks 20mA
–55°C to 125°C Operating Temperature Range
Available in Low Profile (1mm) SOT-23 (ThinSOT™)
and 2mm
×
3mm DFN
Applying a voltage between 0V and 1V on the MOD pin
sets the duty cycle.
The four versions differ in their minimum/maximum duty
cycle. Note that a minimum duty cycle limit of 0% or
maximum duty cycle limit of 100% allows oscillations to
stop at the extreme duty cycle settings.
DEVICE NAME
LTC6992-1
LTC6992-2
LTC6992-3
LTC6992-4
PWM DUTY CYCLE RANGE
0% to 100%
5% to 95%
0% to 95%
5% to 100%
applicaTions
n
n
n
n
n
PWM Servo Loops
Heater Control
LED Dimming Control
High Vibration, High Acceleration Environments
Portable and Battery-Powered Equipment
L,
LT, LTC and 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.
For easy configuration of the LTC6992, download the
TimerBlox Designer tool at
www.linear.com/timerblox.
Typical applicaTion
1MHz Pulse Width Modulator
ANALOG PWM
DUTY CYCLE
CONTROL
(0V TO 1V)
MOD
OUT
3.3V
V
+
C1
0.1µF
SET
R
SET
50k
DIV
6992 TA01a
LTC6992
GND
MOD
0.5V/DIV
OUT
1V/DIV
2µs/DIV
6992 TA01b
69921234fc
1
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