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參數(shù)資料
| 型號： | AT5801 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 4-Channel driver + Power Controller |
| 中文描述： | 4通道驅(qū)動器電源控制器 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 276K |
| 代理商： | AT5801 |
AT5801
Preliminary
4-Channel driver + Power Controller
10F-1, No.55, Tung Kuang Road, Hsinchu, Taiwan, R.O.C. Email:
service@aimtron.com.tw
Tel: 886-3-575-3058
http://www.aimtron.com.tw
Fax: 886-3-575-3015 01/08/05
11
〈
Reset circuit
〉
Upon 90
﹪
of DC/DC converter output voltage,
RESET terminal varies from “L” to “H” and
AMUTE terminal changes from “H” to “L”.
Hysteresis of 50mV(typ.) set to the reset
voltage to prevent the output chattering.
〈
Charging circuit
〉
The power supply of the charging unit is
CHGVCC terminal and it is independent of
any other circuits. Charging current is set by
the resistance between RCHG terminal and
GND. The charging current takes constant
current through SEL terminal.
This circuit has a private thermal shutdown
circuit. When the chip temperature has been
150
℃
, the charging current is cut. When the
chip temperature has dropped to 120
℃
, the
charging current begins to flow.
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