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TS2515 Datasheet(PDF) 1 Page - Taiwan Semiconductor Company, Ltd |
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TS2515 Datasheet(HTML) 1 Page - Taiwan Semiconductor Company, Ltd |
1 / 7 page TS2515 3A / 380KHz PWM Buck Converter 1/7 Version: A09 SOP-8 General Description TS2515 consists of step-down switching regulator with PWM control. These devise include a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc. TS2515 provides low-ripple power, high efficiency, and excellent transient characteristics. The PWM control circuit is able to the duty ratio linearly form 0 up to 100%. An enable function, an over current protect function and short circuit protect function are built inside, and when OCP or SCP happens, the operation frequency will be reduced. Also, an internal compensation block is built in to minimum external component count. With the addition of an internal P-channel Power MOS, a coil, capacitors, and a diode connected externally, these ICs can function as step-down switching regulators. They serve as ideal power supply units for portable devices when coupled with the SOP-8L package, providing such outstanding features as low current consumption. Since this converter can accommodate an input voltage up to 23V, it is also suitable for the operation via an AC adapter. Ordering Information Part No. Package Packing TS2515CS RL SOP-8 2.5Kpcs / 13” Reel Features ● Input Voltage: 4.5V~23V ● Output Voltage: 1.222V~Vcc ● Duty Ratio: 0%~100% PWM Control ● Oscillation Frequency: 380kHz typ. ● Soft-Start (SS), Current Limit (CL), Enable Function ● Thermal Shutdown Function ● Short Circuit Protect (SCP) ● Built-in Internal SW P-Channel MOSFET 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 -40 to +150 ºC Operating Temperature Range TOP -20 to +125 ºC Junction Temperature Range TJ -40 to +150 ºC Operating Supply Voltage VOP +4.5 to +23 V Thermal Resistance from Junction to case θJC 25 ℃/W Thermal Resistance from Junction to ambient θJA 70 ℃/W Note: θJA is measured with the PCB copper area (need connect to SW pins) of approximately 1 in 2(Multi-layer) Pin Definition: 1. N/C 8. SS 2. Vcc 7. EN 3. SW 6. NC 4. Vss 5. FB |
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