参数资料
型号: LTC6993MPS6-3#TRMPBF
厂商: Linear Technology
文件页数: 11/26页
文件大小: 0K
描述: IC MULTIVIBRATOR MONO TSOT23-6
特色产品: TimerBlox?
标准包装: 500
系列: LTC®6993
逻辑类型: 单稳态
独立电路: 1
施密特触发器输入:
传输延迟: 11ns
输出电流高,低: 16mA,16mA
电源电压: 2.25 V ~ 5.5 V
工作温度: -55°C ~ 125°C
安装类型: 表面贴装
封装/外壳: SOT-23-6 细型,TSOT-23-6
供应商设备封装: TSOT-23-6
包装: 带卷 (TR)
LTC6993-1/LTC6993-2
LTC6993-3/LTC6993-4
19
69931234fb
APPLICATIONS INFORMATION
Table 2. Typical Supply Current
CONDITION
TYPICAL IS(IDLE)
TYPICAL IS(ACTIVE)*
NDIV ≤ 64
V+ NDIV 7pF + 4pF
(
)
tOUT
+
V+
500k
+ 2.2ISET +50A
V+
Duty Cycle
tOUT
NDIV 5pF +18pF +CLOAD
(
)
NDIV ≥ 512
V+ NDIV 7pF
tOUT
+
V+
500k
+1.8 ISET +50A
V+
Duty Cycle
tOUT
CLOAD
*Ignoring resistive loads (assumes RLOAD = ∞)
Power Supply Current
The Electrical Characteristics table specifies the supply
current while the part is idle (waiting to be triggered).
IS(IDLE) varies with the programmed tOUT and the supply
voltage. Once triggered, the instantaneous supply current
increases to IS(ACTIVE) while the timing circuit is active.
IS(ACTIVE) = IS(IDLE) + IS(ACTIVE)
The average increase in supply current
IS(ACTIVE) de-
pends on the output duty cycle (or negative duty cycle,
if POL = 1), since that represents the percentage of time
that the circuit is active. IS(IDLE) and IS(ACTIVE) can be
estimated using the equations in Table 2.
Figure 12 shows how the supply current increases from
IS(IDLE) as the input frequency increases. The increase is
smaller at higher NDIV settings.
DUTY CYCLE (%)
IDLE
POWER
SUPPL
YCURRENT
(A)
150
200
250
80
69931234 F12
100
50
0
20
40
60
100
V+ = 3.3V
DUTY CYCLE = fIN tOUT
÷1, RSET = 50k
÷8, RSET = 50k
÷1, RSET = 100k
÷1, RSET = 800k
CLOAD = 5pF
RLOAD = ∞
Figure 12. IS(ACTIVE) vs Output Duty Cycle
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