參數(shù)資料
型號(hào)： AT1388A
廠商： Electronic Theatre Controls, Inc.
英文描述： 6-Channel DC-DC Controller for DSC
中文描述： 6聲道的DC - DC控制器的數(shù)碼相機(jī)
文件頁(yè)數(shù)： 15/24頁(yè)
文件大?。?/td> 637K
代理商： AT1388A
AT1388/AT1388A
Preliminary Product Information
6-Channel DC-DC Controller 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
15
＊
Output block
The output block is the totem pole configuration, which could drive external
MOSFET or transistor.
2.
Channel Control Function
The channels are turned on and turned off depending on the voltage levels at the
CTL, CTL12, CTL3, CTL4, CTL5, and CTL6. Described as follow.
CTL
CTL1
CTL2
CTL3
CTL4
CTL5
CTL6
CH1
CH2
CH3
CH4
CH5
CH6
L
X
X
X
X
X
X
H
H
Z
Z
Z
Z
Z
ON
OFF
OFF
OFF
OFF
OFF
Z
H
Z
Z
Z
Z
Z
Z
H
Z
Z
Z
Z
Z
Z
H
Z
Z
Z
Z
Z
Z
H
Z
Z
Z
Z
Z
Z
H
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
X : Don’t care Z: Low or Floating
3.
Protective Functions
＊
Short circuit protection and timer latch
The short circuit detection comparator in each channel detects the output voltage
level of power converter. When the output voltage falls below the short
detection level, there is a constant current bias charging the external capacitor
C
CSCP
which connected to the CSCP pin until the capacitor voltage level reaches
about 0.7V then disable the IC. It could reset the actuated protection by restart
the power source or pull CTL from low to high.
＊
Under-voltage lockout protection
The under-voltage lockout protection is to disable the IC while the supply voltage
transient or momentary decrease, which may cause the IC to malfunction. To
prevent such malfunctions, the under-voltage lockout protection circuit detects a
decrease in internal reference voltage with respect to the power supply voltage,
turns off the output transistor, and holding the CSCP pin at the “L” level.
相關(guān)PDF資料
PDF描述
AT1396 Preliminary Product Information 6-Channel DC-DC Converter for DS
AT1396A Preliminary Product Information 6-Channel DC-DC Converter for DS
AT1396AN Preliminary Product Information 6-Channel DC-DC Converter for DS
AT1396B Preliminary Product Information 6-Channel DC-DC Converter for DS
AT1396BN Preliminary Product Information 6-Channel DC-DC Converter for DS
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