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參數(shù)資料
| 型號(hào)： | UC3725QTR |
| 英文描述： | Switch-mode driver for DC motors |
| 中文描述： | MOSFET驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 316K |
| 代理商： | UC3725QTR |
1/94
BLOCK DIAGRAM
Receives Both Power and Signal Across
the Isolation Boundary
9 to 15 Volt High Level Gate Drive
Under-voltage Lockout
Programmable Over-current Shutdown
and Restart
Output Enable Function
The UC1725 and its companion chip, the UC1724, provide all the nec-
essary features to drive an isolated MOSFET transistor from a TTL in-
put signal. A unique modulation scheme is used to transmit both power
and signals across an isolation boundary with a minimum of external
components.
Protection circuitry, including under-voltage lockout, over-current shut-
down, and gate voltage clamping provide fault protection for the MOS-
FET. High level gate drive is guaranteed to be greater than 9 volts and
less than 15 volts under all conditions.
Uses include isolated off-line full bridge and half bridge drives for driv-
ing motors, switches, and any other load requiring full electrical isola-
tion.
The UC1725 is characterized for operation over the full military tem-
perature range of -55°C to +125°C while the UC2725 and UC3725 are
characterized for -25°C to +85°C and 0°C to +70°C respectively.
UC1725
UC2725
UC3725
Isolated High Side FET Driver
FEATURES
DESCRIPTION
UDG-92051-1
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