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参数资料
| 型号： | LTC6992CDCB6-1#TRPBF |
| 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： | 5/32页 |
| 文件大小： | 322K |
| 代理商： | LTC6992CDCB6-1#TRPBF |
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LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
13
69921234p
BLOCK DIAGRAM (S6 Package Pin Numbers Shown)
PIN FUNCTIONS (DCB/S6)
MOD (Pin 4/Pin 1): Pulse-Width Modulation Input. The
voltage on the MOD pin controls the output duty cycle. The
linear control range is between 0.1 VSET and 0.9 VSET
(approximately 100mV to 900mV). Beyond those limits the
output will either clamp at 5% or 95%, or stop oscillating
(0% or 100% duty cycle), depending on the version.
GND (Pin 5/Pin 2): Ground. Tie to a low inductance ground
plane for best performance.
OUT (Pin 6/Pin 6): Oscillator Output. The OUT pin swings
from GND to V+ with an output resistance of approximately
30Ω. The duty cycle is determined by the voltage on the
MOD pin. When driving an LED or other low-impedance
load a series output resistor should be used to limit
source/sink current to 20mA.
6992 BD
PROGRAMMABLE DIVIDER
÷1, 4, 16, 64, 256, 1024, 4096, 16384
MASTER OSCILLATOR
DISABLE OUTPUT
UNTIL SETTLED
POR
OUTPUT
POLARITY
DIGITAL
FILTER
4-BIT A/D
CONVERTER
fOSC = 1MHz 50kΩ
ISET
VSET
POL
R1
R2
DIV
V+
OUT
D =
tON
tOFF
5
4
1
6
HALT OSCILLATOR
IF ISET < 500nA
MCLK
+
–
ISET
VSET = 1V
+
–
VREF
1V
3
2
GND
SET
MOD
RSET
DUTY CYCLE =
VMOD(LIM) – 0.1VSET
0.8VSET
VOLTAGE LIMITER
VMOD(LIM)
VMOD
PULSE WIDTH MODULATOR
tOUT
tON
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC6992CDCB6-2-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM) |
| 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) |
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