參數(shù)資料
型號(hào)： AT1386F
廠商： Aimtron Technology Corp.
元件分類： DC/DC變換器
英文描述： 6-Channel DC-DC Converter for DSC
中文描述： 6聲道的DC - DC轉(zhuǎn)換器的數(shù)碼相機(jī)
文件頁(yè)數(shù)： 11/21頁(yè)
文件大?。?/td> 441K
代理商： AT1386F
AT1386
Preliminary Product Information
6-Channel DC-DC Converter for DSC
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 WWW:
http://www.aimtron.com.tw
Fax: 886-3-563-0879 Email:
service@aimtron.com.tw
11
Function Description
1.
Power Converter Functions
＊
Reference voltage block
The reference voltage circuit generates a temperature independence voltage
(typical=2.3V) from the power source, which is used as reference voltage for the
IC’s internal circuitry and supply load current above 10mA to external device.
＊
Triangular oscillator block
The triangular wave oscillator is generated by timing capacitor(CT) to incorporate
each other. The waveforms CT (amplitude of 0.3V to 0.8V), CTP (amplitude
0.3V to 0.8V in phase with CT) and CTN (amplitude 0.3V to 0.8V in inverse
phase with CT) are input to the PWM comparator.
＊
Error amplifier block
The error amplifier outputs controlling error signal to PWM comparator from
sensing DC/DC converter output voltage. In addition, an arbitrary loop gain can
be set by connecting feedback resistor and capacitor from the output pin to
inverted input pin of the error amplifier, in order to make a stable system.
＊
CH5 Inverting amplifier block
The inverting amplifier detects the DC/DC converter output voltage (negative)
and outputs a control signal to the error amplifier.
＊
PWM comparator block
The PWM comparator is a voltage-to-pulse width converter for controlling the
duty cycle of DC/DC converter.
Channels 1, 2 main sides, channel 3, 4, 5, and 6 : The comparator keeps the
output transistor turn on while the error amplifier output voltage and DTC voltage
still higher than the triangular wave voltage.
Channels 1, 2 synchronous rectification sides : The comparator keeps the output
transistor turn on while the error amplifier output voltage still lower than the
triangular wave voltage.
相關(guān)PDF資料
PDF描述
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AT1391P 1- Channel Step-Down PWM Controller
AT1391P-GRE 1- Channel Step-Down PWM Controller
AT1393 6-Channel DC-DC Converter IC for DSC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT1386F-GRE 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:6-Channel DC-DC Converter for DSC
AT1386F-PBF 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:6-Channel DC-DC Converter for DSC
AT1387A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:6-Channel DC-DC Converter for DSC
AT1387AF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:6-Channel DC-DC Converter for DSC
AT1387AF-GRE 制造商:未知廠家 制造商全稱:未知廠家 功能描述:6-Channel DC-DC Converter for DSC
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