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IC / 51275 / TPS51275 / QFN

تولید کننده: Texas Instruments
مدل کالا: TPS51275
موجودی:
تماس 8893- 6186
قیمت: 0تومان

51275 – TPS51275 – QFN-20 - Texas Instruments

Dual Synchronous, Step-Down Controller with 5-V and 3.3-V LDOs

کنترل کننده گام به پایین با 5 ولت و 3 ولت ldos

DESCRIPTION

The TPS51275/C is a cost-effective, dualsynchronous buck controller targeted for notebook system-power supply solutions. It provides 5-V and 3.3-V LDOs and requires few external components The 260-kHz VCLK output can be used to drive an external charge pump, generating gate drive voltage for the load switches without reducing the main converter efficiency. The TPS51275/C supports high efficiency, fast transient response and provides a combined power-good signal. Adaptive on-time, D CAP™ control provides convenient and efficient operation. The device operates with supply input voltage ranging from 5 V to 24 V and supports output voltages of 5.0 V and 3.3 V. The TPS51275/C is available in a 20-pin, 3 mm × 3 mm, QFN package and is specified from –40°C to 85°C

 

APPLICATIONS

 

Notebook Computers

Tablet Computers

 

FEATURES

 

Input Voltage Range: 5 V to 24 V

Output Voltages: 5 V and 3.3 V /Adjustable Range ±10%

Built-in, 100-mA, 5-V and 3.3-V LDOs

Clock Output for Charge-Pump

Built-in Output Discharge Function

Separate Enable Input for Switchers

Power Good Indicator

OVP/UVP/OCP Protection

Non-latch UVLO/OTP Protection

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