参数资料
型号: LTC3704IMS#PBF
厂商: Linear Technology
文件页数: 12/28页
文件大小: 0K
描述: IC REG CTRLR INV PWM CM 10-MSOP
标准包装: 50
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
占空比: 97%
电源电压: 2.5 V ~ 36 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 管件
LTC3704
APPLICATIO S I FOR ATIO
The resistor R1 is typically chosen to be less than 1M.
For applications where the RUN pin is only to be used as
a logic input, the user should be aware of the 7V
Absolute Maximum Rating for this pin! The RUN pin can
be connected to the input voltage through an external 1M
resistor, as shown in Figure 8c, for “always on” operation.
+
R2
V IN
RUN
INPUT
RUN
6V
+
COMPARATOR
BIAS AND
START-UP
CONTROL
SUPPLY
OPTIONAL
FILTER
CAPACITOR
R1
1.248V
μ POWER
REFERENCE
GND
3704 F08a
Figure 8a. Programming the Turn-On and Turn-Off Thresholds Using the RUN Pin
RUN
COMPARATOR
EXTERNAL
RUN
6V
+
LOGIC CONTROL
1.248V
3704 F08b
Figure 8b. On/Off Control Using External Logic
+
V IN
INPUT
SUPPLY
R2
1M
RUN
GND
6V
1.248V
+
RUN
COMPARATOR
3704 F08c
Figure 8c. External Pull-Up Resistor On
RUN Pin for “Always On” Operation
3704fb
12
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