參數(shù)資料
型號： LTC6992CDCB6-4#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, PDSO6
封裝： 2 X 3 MM, LEAD FREE, PLASTIC, MO-229TBD, DFN-6
文件頁數(shù)： 1/32頁
文件大?。?/td> 322K
代理商： LTC6992CDCB6-4#PBF
Electrical Specifications Subject to Change
LTC6992-1/-2/-3/-4
1
69921234p
TYPICAL APPLICATION
DESCRIPTION
TimerBlox
Voltage-Controlled Pulse
Width Modulator (PWM)
The LTC6992 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, RSET, programs the LTC6992’s inter-
nal master oscillator frequency. The output frequency
is determined by this master oscillator and an internal
frequency divider, NDIV, programmable to eight settings
from 1 to 16384.
fOUT =
1MHz
NDIV
50k
Ω
RSET
,NDIV = 1,4,16 …16384
Applying a voltage between 0V and 1V on the MOD pin sets
the duty cycle, according to the following formula:
Duty Cycle
=
VMOD
0.8 VSET
1
8
VMOD 100mV
800mV
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
PWM DUTY
CYCLE RANGE
OUTPUT DUTY CYCLE LIMITS
MIN
MAX
LTC6992-1
0% to 100%
GND
V+
LTC6992-2
5% to 95%
LTC6992-3
0% to 95%
GND
LTC6992-4
5% to 100%
V+
n Pulse Width Modulation (PWM) Controlled by
Simple 0V to 1V Analog Input
n Four Available Options Define Duty Cycle Limits
– Minimum Duty Cycle at 0% or 5%
– Maximum Duty Cycle at 95% or 100%
n Frequency Range: 3.81Hz to 1MHz
n Single Resistor Programs Frequency with < 2.4%
Maximum Error
n PWM Duty Cycle Error < 4.5% Maximum
n Frequency Modulation (VCO) Capability
n 2.25V to 5.5V Single Supply Operation
n 115μA Supply Current at 100kHz
n 500μs Start-Up Time
n CMOS Output Driver Sources/Sinks 20mA
n –40°C to 125°C Operating Temperature Range
n Available in Low Profile (1mm) SOT-23 (ThinSOT)
and 2mm
× 3mm DFN
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
TimerBlox and ThinSOT are trademarks of Linear Technology Corporation. All other trademarks
are the property of their respective owners.
FEATURES
APPLICATIONS
n LED Dimming Control
n PWM Servo Loops
n High Vibration, High Acceleration Environments
n Portable and Battery-Powered Equipment
6992 TA01a
LTC6992
MOD
GND
SET
OUT
V+
DIV
RSET
50k
V+
ANALOG PWM
DUTY CYCLE
CONTROL
(0V TO 1V)
C1
0.1μF
1MHz Pulse Width Modulator
MOD
0.5V/DIV
OUT
1V/DIV
2μs/DIV
6992 TA01b
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相關代理商/技術參數(shù)
參數(shù)描述
LTC6992CDCB6-4-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992CS6-1#PBF 制造商:Linear Technology 功能描述:OSCILLATOR 1MHZ 5.5V TSOT-2 制造商:Linear Technology 功能描述:OSCILLATOR, 1MHZ, 5.5V, TSOT-23-6; Operating Mode:-; Frequency:1MHz; Supply Voltage Min:2.25V; Supply Voltage Max:5.5V; Digital IC Case Style:TSOT-23; No. of Pins:6; Clock External Input:Yes; Operating Temperature Min:0C ;RoHS Compliant: Yes
LTC6992CS6-1#TRMPBF 功能描述:IC OSC SILICON 1MHZ TSOT23-6 RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 可編程計時器和振蕩器 系列:TimerBlox® 標準包裝:3,000 系列:- 類型:振蕩器 - 晶體 計數(shù):- 頻率:- 電源電壓:2.3 V ~ 5.5 V 電流 - 電源:1.07mA 工作溫度:-30°C ~ 80°C 封裝/外殼:SOT-665 包裝:帶卷 (TR) 供應商設備封裝:SS迷你型-5D 安裝類型:表面貼裝 其它名稱:AN8955SSMTXLTR
LTC6992CS6-1#TRPBF 功能描述:IC OSC SILICON 1MHZ TSOT23-6 RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 可編程計時器和振蕩器 系列:TimerBlox® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:45 系列:- 類型:溫度 - 補償晶體振蕩器（TCXO） 計數(shù):- 頻率:25MHz 電源電壓:3.135 V ~ 3.465 V 電流 - 電源:1.5mA 工作溫度:-40°C ~ 85°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 包裝:管件 供應商設備封裝:16-SOIC W 安裝類型:表面貼裝
LTC6992CS6-1-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
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