5962-8768101 Series
Radiation-tolerant QMLV, 30-V input, 1.5-A dual-output 1-MHz PWM controller
Manufacturer: Texas Instruments
Catalog(2 parts)
| Part | Function | Clock Sync▲▼ | Output Configuration | Number of Outputs▲▼ | Frequency - Switching▲▼ | Mounting Type | Supplier Device Package | Control Features | Package / Case | Voltage - Supply (Vcc/Vdd)▲▼ | Voltage - Supply (Vcc/Vdd)▲▼ | Duty Cycle (Max)▲▼ | Topology | Output Phases▲▼ | Operating Temperature▲▼ | Operating Temperature▲▼ | Output Type | Synchronous Rectifier▲▼ | Supplier Device Package▲▼ | Supplier Device Package▲▼ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments 5962-8768101VEABuck Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 16-CDIP | Step-Up, Step-Up/Step-Down | Positive | 2 ul | 1000000 Hz | Through Hole | 16-CDIP | Current Limit, Enable, Frequency Control, Ramp, Soft Start | 16-CDIP (0.300", 7.62mm) | 30 V | 10 V | 0.800000011920929 ul | Buck | 1 ul | -55 °C | 125 °C | Transistor Driver | ||||
Texas Instruments 5962-8768101V2ABuck Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 20-LCCC (8.89x8.89) | Step-Up, Step-Up/Step-Down | Positive | 2 ul | 1000000 Hz | Surface Mount | 20-LCCC | Current Limit, Enable, Frequency Control, Ramp, Soft Start | 20-CLCC | 30 V | 10 V | 0.800000011920929 ul | Buck | 1 ul | -55 °C | 125 °C | Transistor Driver | 8.890000343322754 ul | 8.890000343322754 ul |
Key Features
• QML-V Qualified, SMD 5962-87681Rad-Tolerant: 30 kRad (Si) TID(1)Compatible With Voltage- or Current-Mode TopologiesPractical Operation Switching Frequencies to 1 MHz50-ns Propagation Delay-to-OutputHigh-Current Dual Totem Pole Outputs (1.5 A Peak)Wide Bandwidth Error AmplifierFully Latched Logic With Double-Pulse SuppressionPulse-by-Pulse Current LimitingSoft Start/Maximum Duty-Cycle ControlUndervoltage Lockout With HysteresisLow Start-Up Current (1.1 mA)(1)Radiation tolerance is a typical value based upon initial device qualification with dose rate = 10 mrad/sec. Radiation Lot Acceptance Testing is available - contact factory for details.QML-V Qualified, SMD 5962-87681Rad-Tolerant: 30 kRad (Si) TID(1)Compatible With Voltage- or Current-Mode TopologiesPractical Operation Switching Frequencies to 1 MHz50-ns Propagation Delay-to-OutputHigh-Current Dual Totem Pole Outputs (1.5 A Peak)Wide Bandwidth Error AmplifierFully Latched Logic With Double-Pulse SuppressionPulse-by-Pulse Current LimitingSoft Start/Maximum Duty-Cycle ControlUndervoltage Lockout With HysteresisLow Start-Up Current (1.1 mA)(1)Radiation tolerance is a typical value based upon initial device qualification with dose rate = 10 mrad/sec. Radiation Lot Acceptance Testing is available - contact factory for details.
Description
AI
The UC1825 PWM control device is optimized for high-frequency switched mode power supply applications. Particular care was given to minimizing propagation delays through the comparators and logic circuitry while maximizing bandwidth and slew rate of the error amplifier. This controller is designed for use in either current-mode or voltage mode systems with the capability for input voltage feed-forward.
Protection circuitry includes a current limit comparator with a 1-V threshold, a TTL compatible shutdown port, and a soft start pin which will double as a maximum duty-cycle clamp. The logic is fully latched to provide jitter-free operation and prohibit multiple pulses at an output. An undervoltage lockout section with 800 mV of hysteresis assures low start up current. During undervoltage lockout, the outputs are high impedance.
This device features totem pole outputs designed to source and sink high peak currents from capacitive loads, such as the gate of a power MOSFET. The on state is designed as a high level.
The UC1825 PWM control device is optimized for high-frequency switched mode power supply applications. Particular care was given to minimizing propagation delays through the comparators and logic circuitry while maximizing bandwidth and slew rate of the error amplifier. This controller is designed for use in either current-mode or voltage mode systems with the capability for input voltage feed-forward.
Protection circuitry includes a current limit comparator with a 1-V threshold, a TTL compatible shutdown port, and a soft start pin which will double as a maximum duty-cycle clamp. The logic is fully latched to provide jitter-free operation and prohibit multiple pulses at an output. An undervoltage lockout section with 800 mV of hysteresis assures low start up current. During undervoltage lockout, the outputs are high impedance.
This device features totem pole outputs designed to source and sink high peak currents from capacitive loads, such as the gate of a power MOSFET. The on state is designed as a high level.