UC1637-SP - Texas Instruments

UC1637-SP SWITCHED MODE CONTROLLER

The UC1637 is a pulse width modulator circuit intended to be used for a variety of PWM motor drive and amplifier applications requiring either uni-directional or bi-directional drive circuits. When used to replace conventional drivers, this circuit can increase efficiency and reduce component costs for many applications. All necessary circuitry is included t.

Features

1
• QML-V Qualified, SMD 5962-89957
• Rad Tolerant: 30 kRad(Si) TID (1)
  – TID Dose Rate = 10 mRad/sec
• Single or Dual Supply Operation
• ±2.5-V to ±20-V Input Supply Range
• ±5% Initial Oscillator Accuracy; ±10% Over Temperature
• Pulse-by-Pulse Current Limiting
• Under-Voltage Lockout
• Shutdown Input with Temperature Compensated 2.5-V Threshold
• Uncommitted PWM Comparators for Design (1) Radiation tolerance is a typical value based upon initial device qualification. Radiation Lot Acceptance Testing is available contact factory for details. Flexibility
• Dual 100-mA Source/Sink Output Driv.