The UC3572D is a negative output flyback pulse width modulator designed for converting positive input voltages to regulated negative output voltages. It operates with a single inductor flyback switching converter and utilizes an external PMOS switch. Key features include an undervoltage lockout (UVLO) circuit to ensure sufficient input voltage before switching, pulse-by-pulse current limiting, and a low sleep mode current of 50¬µA, making it suitable for battery-powered applications. The device has a peak gate driver capability of 0.5A and operates with a frequency range of 85kHz to 115kHz. It supports a maximum duty cycle of 96% and a minimum duty cycle of 0%. The UC3572D is available in an 8-pin SOIC package and is rated for operation from 0¬8C to 70¬8C. Its electrical characteristics include a line regulation of 1mV and load regulation of 1mV, ensuring stable performance across varying conditions. This product is ideal for engineers looking for efficient negative voltage generation solutions in their designs.
Negative Output Flyback Pulse Width Modulator 8-SOIC 0 to 70
Manufacturer: Texas Instruments
Win Source Part Number: 035663-UC3572D
Packaging: Tube/Rail
Output Type: Transistor Driver
Topology: Flyback
Frequency - Switching: 100kHz
Control Features: Current Limit, Ramp
Number of Outputs: 1
Synchronous Rectifier: No
Output Phases: 1
Duty Cycle (Max): 92%
Clock Sync: No
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: 0°C to 70°C (TA)
Case / Package: 8-SOIC
Purpose: Step-Up/Step-Down
Supply Voltage - Operating: 4.75 V to 30 V
Popularity: Medium
Fake Threat In the Open Market: 30 pct.
Supply and Demand Status: Balance
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Switching Controllers Neg Output Flyback Pulse Width Mod
| Texas Instruments | Win Source Electronics | DigiKey | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | UC3572D | 035663-UC3572D | 296-2506-5-ND | UC3572D | UC3572D | UC3572D | UC3572D |
| Product Name | UC3572 Negative Output Flyback Pulse Width Modulator | PMIC - PMIC - Voltage Regulators - DCDC Switching Controllers - UC3572D | DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers | Integrated Circuits (ICs) - Power Management (PMIC) - DC DC Switching Controllers | DC DC Switching Controllers | Switching Controllers |
| Configuration / Function | Flyback | ||||||
| Output Voltage Type | Transistor Driver | Fixed; Transistor Driver | |||||
| Package Type | SOIC; Other; 8-SOIC | SOIC; Other; "8-SOIC (0.154"", 3.90mm Width)" | SOIC | SOIC; Other; 8-SOIC (0.154\", 3.90mm Width) | |||
| Life Cycle Stage | Maturity; Active | Active | Active | ||||
| Special Features | Internal Current Limit; Multiple Outputs; Synchronous Rectification; Current Limit, Ramp | Internal Current Limit; Current Limit, Ramp |
