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UC1725

Features: · Receives Both Power and Signal Acrossthe Isolation Boundary· 9 to 15 Volt High Level Gate Drive· Under-voltage Lockout· Programmable Over-current Shutdown and Restart· Output Enable FunctionPinoutSpecificationsSupply Voltage (pin 3) . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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SeekIC No. : 004535343 Detail

UC1725: Features: · Receives Both Power and Signal Acrossthe Isolation Boundary· 9 to 15 Volt High Level Gate Drive· Under-voltage Lockout· Programmable Over-current Shutdown and Restart· Output Enable Func...

UC1725 Data Sheet

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Part Number:
UC1725
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Receives Both Power and Signal Acrossthe Isolation Boundary
· 9 to 15 Volt High Level Gate Drive
· Under-voltage Lockout
· Programmable Over-current Shutdown and Restart
· Output Enable Function


Pinout

Connection Diagram


Specifications

Supply Voltage (pin 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V
Power inputs (pins 7 & 8) . . . . . . . . . . . . . . . . . . . . . . . . . .. 30V
Output current, source or sink (pin 2)
DC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5A
Pulse (0.5 us) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0A
Enable and Current limit inputs (pins 4 & 6). . . . . . . . -0.3 to 6V
Power Dissipation at TA 25°C (DIL-8) . . . . . . . . . . . . . . . . 1W
Power Dissipation at TA 25°C (SO-14) . . . . . . . . . . . . 725mW
Lead Temperature (Soldering, 10 Seconds) . . . . . . . . . . 300°C

Note 1: Unless otherwise indicated, voltages are referenced to ground and currents are positive into, negative out of, the specified terminals (pin numbers refer to DIL-8 package).
Note 2: See Unitrode Integrated Circuits databook for information regarding thermal specifications and limitations of packages.


Description

The UC1725 and its companion chip, the UC1724, provide all the necessary features to drive an isolated MOSFET transistor from a TTL input 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 shutdown, and gate voltage clamping provide fault protection for the MOSFET.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 driving motors, switches, and any other load requiring full electrical isolation.

The UC1725 is characterized for operation over the full military temperature 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.




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