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TS2509 Fiches technique(PDF) 1 Page - Taiwan Semiconductor Company, Ltd |
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TS2509 Fiches technique(HTML) 1 Page - Taiwan Semiconductor Company, Ltd |
1 / 9 page TS2509 3A / 500KHz PWM Buck Converter 1/9 Version: B09 SOP-8 General Description TS2509 is step-down switching regulator with PWM control and with build in internal PMOS. TS2509 provides low- ripple power, high efficiency, and excellent transient characteristics. The PWM control circuit can be duty ratio linearly form 0 up to 100%. This converter also contains an error amplifier circuit as well as a soft-start circuit that prevents overshoot at startup. An enable, over current protect and short circuit protect functions are built inside. When OCP or SCP activated, the operation frequency will be reduced. The internal compensation block is built in to minimum external components and internal PMOS is complete 3A step down switching regulator ideally for portable devices with outstanding features as low current consumption. Ordering Information Part No. Package Packing TS2509CS RL SOP-8 2.5Kpcs / 13” Reel Features ● Input Voltage: 3.6V~23V ● Output Voltage: 0.8V~Vcc ● Duty Ratio: 0%~100% PWM Control ● Oscillation Frequency: 500kHz typ. ● Soft-Start (SS), Current Limit (CL), Enable Function ● Thermal Shutdown Function ● Short Circuit Protect (SCP) ● Internal SW P-Channel MOSFET ● Low ESR output capacitor (MLCC application) Application ● Simple High-efficiency Step down Regulator ● On-Card Switching Regulators Absolute Maximum Rating Parameter Symbol Rating Unit VCC Pin Voltage VCC VSS - 0.3 to VSS + 25 V Feedback Pin Voltage VFB VSS - 0.3 to VCC V ON/OFF Pin Voltage VEN VSS - 0.3 to VCC + 0.3 V Switch Pin Voltage VSW VSS - 0.3 to VCC + 0.3 V Power Dissipation PD Internally limited mW Storage Temperature Range TST G -40 to +150 ℃ Operating Temperature Range TOP -20 to +125 ℃ Operating Supply Voltage VOP +3.6 to +23 V Thermal Resistance from Junction to case θJC 40 ℃/W Thermal Resistance from Junction to ambient θJA 70 ℃/W Pin Definition: 1. FB 8. Vss 2. EN 7. Vss 3. Comp 6. SW 4. Vcc 5. SW |
Numéro de pièce similaire - TS2509 |
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Description similaire - TS2509 |
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