参数资料
型号: LTC6992MPS6-1#TRMPBF
厂商: Linear Technology
文件页数: 1/34页
文件大小: 0K
描述: IC OSC PWM VOLT CTLR TSOT23-6
特色产品: TimerBlox?
标准包装: 500
系列: TimerBlox®
类型: 振荡器 - 硅
频率: 3.81Hz ~ 1MHz
电源电压: 2.25 V ~ 5.5 V
电流 - 电源: 365µA
工作温度: -55°C ~ 125°C
封装/外壳: SOT-23-6 细型,TSOT-23-6
包装: 带卷 (TR)
供应商设备封装: TSOT-23-6
安装类型: 表面贴装
LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
1
69921234fc
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
RSET
, NDIV = 1,4,16 …16384
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
PWM DUTY CYCLE RANGE
LTC6992-1
0% to 100%
LTC6992-2
5% to 95%
LTC6992-3
0% to 95%
LTC6992-4
5% to 100%
For easy configuration of the LTC6992, download the
TimerBlox Designer tool at www.linear.com/timerblox.
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
Configured with 1 to 3 Resistors
n
<1.7% Maximum Frequency Error
n
PWM Duty Cycle Error < 3.7% 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
–55°C to 125°C Operating Temperature Range
n
Available in Low Profile (1mm) SOT-23 (ThinSOT)
and 2mm
× 3mm DFN
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.
FeaTures
applicaTions
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PWM Servo Loops
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Heater Control
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LED Dimming Control
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High Vibration, High Acceleration Environments
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Portable and Battery-Powered Equipment
6992 TA01a
LTC6992
MOD
GND
SET
OUT
V+
DIV
RSET
50k
3.3V
ANALOG PWM
DUTY CYCLE
CONTROL
(0V TO 1V)
C1
0.1F
1MHz Pulse Width Modulator
MOD
0.5V/DIV
OUT
1V/DIV
2s/DIV
6992 TA01b
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LTC6992MPS6-2#TRPBF 功能描述:IC OSC PWM VOLT CTLR TSOT23-6 RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 可编程计时器和振荡器 系列:TimerBlox® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:45 系列:- 类型:温度 - 补偿晶体振荡器(TCXO) 计数:- 频率:25MHz 电源电压:3.135 V ~ 3.465 V 电流 - 电源:1.5mA 工作温度:-40°C ~ 85°C 封装/外壳:16-SOIC(0.295",7.50mm 宽) 包装:管件 供应商设备封装:16-SOIC W 安装类型:表面贴装
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