Datasheet > LTC6992-4_15

LTC6992-4_15

更新时间： 2024-10-04 01:09:27

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
34页	533K
描述
Voltage-Controlled Pulse Width Modulator

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中文翻译

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数据手册

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LTC6992-4_15 数据手册

LTC6992-1/LTC6992-2/

LTC6992-3/LTC6992-4

TimerBlox:

Voltage-Controlled Pulse

Width Modulator (PWM)

FeaTures

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.

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%

A single resistor, R , programs the LTC6992’s inter-

SET

Frequency Range: 3.81Hz to 1MHz

nal master oscillator frequency. The output frequency

is determined by this master oscillator and an internal

Configured with 1 to 3 Resistors

<1.7% Maximum Frequency Error

frequency divider, N , programmable to eight settings

DIV

PWM Duty Cycle Error <3.7% Maximum

from 1 to 16384.

Frequency Modulation (VCO) Capability

1MHz 50kΩ

N_DIVR_SET

2.25V to 5.5V Single Supply Operation

f_OUT

•

,N_DIV= 1,4,16 …16384

115μA Supply Current at 100kHz

500μs Start-Up Time

Applying a voltage between 0V and 1V on the MOD pin

sets the duty cycle.

CMOS Output Driver Sources/Sinks 20mA

–55°C to 125°C Operating Temperature Range

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.

Available in Low Profile (1mm) SOT-23 (ThinSOT™)

and 2mm × 3mm DFN

applicaTions

DEVICE NAME

LTC6992-1

LTC6992-2

LTC6992-3

LTC6992-4

PWM DUTY CYCLE RANGE

0% to 100%

PWM Servo Loops

Heater Control

5% to 95%

0% to 95%

5% to 100%

LED Dimming Control

High Vibration, High Acceleration Environments

Portable and Battery-Powered Equipment

For easy configuration of the LTC6992, download the

TimerBlox Designer tool at www.linear.com/timerblox.

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.

Typical applicaTion

1MHz Pulse Width Modulator

ANALOG PWM

DUTY CYCLE

MOD

GND

SET

OUT

CONTROL

(0V TO 1V)

0.5V/DIV

LTC6992

3.3V

0.1µF

OUT

1V/DIV

DIV

6992 TA01a

SET

50k

6992 TA01b

2µs/DIV

69921234fc

12 3 4 5 6 7...34

中文翻译

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与LTC6992-4_15相关器件

型号	品牌	获取价格	描述	数据表
LTC6992CDCB-3#TRMPBF	Linear	获取价格	LTC6992 - TimerBlox: Voltage-Controlled Pulse Width Modulator (PWM); Package: DFN; Pins: 6
LTC6992CDCB6-1#PBF	Linear	获取价格	IC SWITCHING CONTROLLER, PDSO6, 2 X 3 MM, LEAD FREE, PLASTIC, MO-229TBD, DFN-6, Switching
LTC6992CDCB6-1-PBF	Linear	获取价格	TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992CDCB6-1-TRPBF	Linear	获取价格	TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992CDCB6-2#TRPBF	Linear	获取价格	IC SWITCHING CONTROLLER, PDSO6, 2 X 3 MM, LEAD FREE, PLASTIC, MO-229TBD, DFN-6, Switching
LTC6992CDCB6-2-PBF	Linear	获取价格	TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992CDCB6-2-TRPBF	Linear	获取价格	TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992CDCB6-3#PBF	Linear	获取价格	IC SWITCHING CONTROLLER, PDSO6, 2 X 3 MM, LEAD FREE, PLASTIC, MO-229TBD, DFN-6, Switching
LTC6992CDCB6-3-PBF	Linear	获取价格	TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992CDCB6-3-TRPBF	Linear	获取价格	TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)

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