TI (Texas Instruments) UCC2581DG4 Boost: Yes Buck: No Cuk: No Divider: No Doubler: No Duty Cycle: 87% Duty Cycle (max): 87 % Fall Time: 20 ns Flyback: Yes Frequency - Max: 100kHz Frequency-max: 100kHz Inverting: No Isolated: No Lead Free Status / Rohs Status: Lead free / RoHS Compliant Maximum Operating Temperature: + 85 C Minimum Operating Temperature: - 40 C Mounting Style: SMD/SMT Number Of Outputs: 1 Operating Temperature: -40?°C ~ 85?°C Output Current: 1000 mA Package / Case: 14-SOIC (3.9mm Width), 14-SOL Pwm Type: Voltage Mode Rise Time: 20 ns Series: - Switching Frequency: 21 KHz Synchronous Pin: Yes Topology: Boost, Flyback, Forward Voltage - Supply: 7.4 V ~ 10 V Product Category: Voltage Mode PWM Controllers RoHS: yes Number of Outputs: 1 Factory Pack Quantity: 50