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參數(shù)資料
| 型號(hào)： | LTC6992HDCB-4#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.02 A SWITCHING CONTROLLER, PDSO6 |
| 封裝： | 2 X 3 MM, LEAD FREE, PLASTIC, MO-229, DFN-6 |
| 文件頁數(shù)： | 18/34頁 |
| 文件大小： | 2577K |
| 代理商： | LTC6992HDCB-4#TRPBF |
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LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
25
69921234fb
TYPICAL APPLICATIONS
Changing Between Two Frequencies
6992 TA05
LTC6992-X
MOD
GND
SET
OUT
V+
DIV
R1
0.1μF
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
0.1μF
5V
LT6003
+10mV/C
5V
R1
130k
R2
50k
R3
130k
ADJUST FOR 50% DUTY 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
0.1μF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC6992HDCB6-1-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM) |
| LTC6992HDCB6-1-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM) |
| LTC6992HDCB6-2-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM) |
| LTC6992HDCB6-2-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM) |
| LTC6992HDCB6-3-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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