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LTC6992HS6-1#TRPBF

Description
Switching Controllers PWM with 0% to 100% Pulse Width Control
CategoryPower/power management    The power supply circuit   
File Size518KB,34 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
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LTC6992HS6-1#TRPBF Overview

Switching Controllers PWM with 0% to 100% Pulse Width Control

LTC6992HS6-1#TRPBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
MakerADI
package instructionVSSOP, SOP6,.11,37
Contacts6
Manufacturer packaging code05-08-1636
Reach Compliance Codecompliant
Samacsys DescriptionSwitching Controllers PWM with 0% to 100% Pulse Width Control
Other featuresADJUSTABLE MODE FROM 0V TO 1V
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage5.5 V
Minimum input voltage2.25 V
Nominal input voltage1 V
JESD-30 codeR-PDSO-G6
JESD-609 codee3
length2.9 mm
Humidity sensitivity level1
Number of functions1
Number of terminals6
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeVSSOP
Encapsulate equivalent codeSOP6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height1 mm
Maximum supply current (Isup)0.45 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.25 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
Maximum switching frequency1000 kHz
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width1.625 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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