参数资料
型号: LTC6992CDCB6-2#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, PDSO6
封装: 2 X 3 MM, LEAD FREE, PLASTIC, MO-229TBD, DFN-6
文件页数: 18/32页
文件大小: 322K
代理商: LTC6992CDCB6-2#PBF
LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
25
69921234p
TYPICAL APPLICATIONS
Changing Between Two Frequencies
6992 TA05
LTC6992-X
MOD
GND
SET
OUT
V+
DIV
R1
R2
RSET
V+
NOTES
WHILE THIS CIRCUIT IS SIMPLER THAN THE CIRCUIT TO THE RIGHT,
ITS FREQUENCY ACCURACY IS WORSE DUE TO THE EFFECT OF
V+ SUPPLY VARIATION FROM SYSTEM TO SYSTEM AND OVER TEMPERATURE.
NOTES
1. WHEN THE NMOSFET IS OFF, THE FREQUENCY IS SET BY RSET = RSET1.
2. WHEN THE NMOSFET IS ON, THE FREQUENCY IS SET BY RSET = RSET1 || RSET2.
3. V+ SUPPLY VARIATION IS NOT A FACTOR AS THE SWITCHING RESISTOR IS
EITHER FLOATING OR CONNECTED TO GROUND.
RVCO
V+
‘HC04
fMAX
fMIN
ANALOG PWM
DUTY CYCLE CONTROL
(0V TO 1V)
LTC6992-X
MOD
GND
SET
OUT
V+
DIV
R1
R2
RSET1
RSET2
V+
ANALOG PWM
DUTY CYCLE CONTROL
(0V TO 1V)
V+
‘HC04
2N7002
fMIN
fMAX
Simple Diode Temperature Sensor
6992 TA06
LTC6992-2
MOD
GND
SET
OUT
V+
DIV
R4
1000k
MOC207M
Q1
OUTPUT
D3
C1
1μF
R5
186k
5V
LT6003
+10mV/C
5V
R1
130k
R2
50k
R3
130k
ADJUST FOR 50% DUT CYCLE AT 25°C
+
R7
16.9k
R8
84.5k
R6
45.3k
D1
1N458
R11
422Ω
NDIV = 16
f = 10kHz
PWM OUTPUT FOR ISOLATED MEASUREMENT
+1% DUTY CYCLE CHANGE PER DEGREE C
–10°C TO 65°C RANGE WITH OPTO-ISOLATOR (DC: 15% TO 95%)
R9
365Ω
相关PDF资料
PDF描述
LM2675-3.3MWC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
LM4051BIX3-1.2+T 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.225 V, PDSO3
LT1840-7DZB1 1-OUTPUT AC-DC REG PWR SUPPLY MODULE
LTC3873ITS8-5#PBF SWITCHING CONTROLLER, PDSO8
LES40A48-2V5RA 1-OUTPUT 100 W DC-DC REG PWR SUPPLY MODULE
相关代理商/技术参数
参数描述
LTC6992CDCB6-2-TRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992CDCB6-3-PBF 制造商:LINER 制造商全称:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992CDCB6-3-TRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992CDCB6-4-PBF 制造商:LINER 制造商全称:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
LTC6992CDCB6-4-TRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)