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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS62964

現行

具有 0.6V VOUT 的 17V VIN、4A 低雜訊低漣波降壓轉換器

立即訂購
產品規格表

TPS62964

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Iout (max) (A) 4 Vin (max) (V) 17 Vin (min) (V) 3 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Enable, Frequency synchronization, Low Noise, Output discharge, Overcurrent protection, Power good, Soft-start adjustable, Spread-Spectrum Clock (SSC) Generation, Synchronous rectification, UVLO Fixed Control mode current mode Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 1100 Operating temperature range (°C) -40 to 150 Iq (typ) (µA) 5000 Duty cycle (max) (%) 100 Type Converter
Rating Catalog Iout (max) (A) 4 Vin (max) (V) 17 Vin (min) (V) 3 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Enable, Frequency synchronization, Low Noise, Output discharge, Overcurrent protection, Power good, Soft-start adjustable, Spread-Spectrum Clock (SSC) Generation, Synchronous rectification, UVLO Fixed Control mode current mode Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 1100 Operating temperature range (°C) -40 to 150 Iq (typ) (µA) 5000 Duty cycle (max) (%) 100 Type Converter
VQFN-HR (RPY) 14 7.5 mm² 2.5 x 3
  • Low output 1/f noise < 20µVRMS (100Hz to 100kHz)
  • Low output voltage ripple < 10µVRMS after ferrite bead
  • High PSRR of > 65dB (up to 100kHz)
  • 1.1MHz, 700kHz, or 500kHz fixed frequency peak current mode control
  • Synchronizable with external clock (optional)
  • Integrated loop compensation supports ferrite bead for second stage L-C filter with 30dB attenuation (optional)
  • Spread spectrum modulation (optional)
  • 3.0V to 17V input voltage range
  • 0.6V to 5.5V output voltage range
  • 25mΩ/7mΩ RDSon
  • Output voltage accuracy of ±1% over temperature
  • Precise enable input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • Adjustable soft start
  • Power-good output
  • Output discharge (optional)
  • –40°C to 150°C junction temperature range
  • 2.0mm × 3.0mm QFN with 0.5mm pitch
  • Create a custom design using the TPS6296x with the WEBENCH Power Designer
  • Low output 1/f noise < 20µVRMS (100Hz to 100kHz)
  • Low output voltage ripple < 10µVRMS after ferrite bead
  • High PSRR of > 65dB (up to 100kHz)
  • 1.1MHz, 700kHz, or 500kHz fixed frequency peak current mode control
  • Synchronizable with external clock (optional)
  • Integrated loop compensation supports ferrite bead for second stage L-C filter with 30dB attenuation (optional)
  • Spread spectrum modulation (optional)
  • 3.0V to 17V input voltage range
  • 0.6V to 5.5V output voltage range
  • 25mΩ/7mΩ RDSon
  • Output voltage accuracy of ±1% over temperature
  • Precise enable input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • Adjustable soft start
  • Power-good output
  • Output discharge (optional)
  • –40°C to 150°C junction temperature range
  • 2.0mm × 3.0mm QFN with 0.5mm pitch
  • Create a custom design using the TPS6296x with the WEBENCH Power Designer

The TPS6296x devices are a family of high-efficiency, low noise, and low ripple current mode synchronous buck converters. The devices are designed for noise sensitive applications that normally use an LDO for post regulation such as high-speed ADCs, clock and jitter cleaner, serializer, de-serializer, and radar applications.

To reduce the output voltage ripple, the device loop compensation is designed to operate with an optional second-stage ferrite bead L-C filter. Low-frequency noise levels, similar to a low-noise LDO, are further achieved by filtering the internal voltage reference with a capacitor connected to the NR/SS pin. Combined, these features allow for an output voltage ripple below 10µVRMS.

The device operates at a fixed switching frequency of 1.1MHz, 700kHz, or 500kHz, and can be synchronized to an external clock. An optional spread spectrum modulation scheme spreads the DC/DC switching frequency over a wider span, which lowers the mixing spurs.

The TPS6296x devices are a family of high-efficiency, low noise, and low ripple current mode synchronous buck converters. The devices are designed for noise sensitive applications that normally use an LDO for post regulation such as high-speed ADCs, clock and jitter cleaner, serializer, de-serializer, and radar applications.

To reduce the output voltage ripple, the device loop compensation is designed to operate with an optional second-stage ferrite bead L-C filter. Low-frequency noise levels, similar to a low-noise LDO, are further achieved by filtering the internal voltage reference with a capacitor connected to the NR/SS pin. Combined, these features allow for an output voltage ripple below 10µVRMS.

The device operates at a fixed switching frequency of 1.1MHz, 700kHz, or 500kHz, and can be synchronized to an external clock. An optional spread spectrum modulation scheme spreads the DC/DC switching frequency over a wider span, which lowers the mixing spurs.
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* Data sheet TPS6296x 3V to 17V, 4.5A/ 6A /8A , 0.6VREF, Low Noise and Low Ripple Buck Converter With Integrated Ferrite Bead Filter Compensation datasheet PDF | HTML 2024年 12月 6日

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開發板

TPS62968EVM — TPS62968 評估模組

TPS62968 評估模組 (EVM) (SR142) 可協助評估 TPS62968、TPS62966 和 TPS62964。SR142 使用 8A TPS62968，從介於 3V 到 17V 之間的輸入電壓輸出 0.6V 輸出電壓。由於雜訊極低，因此在雜訊敏感電路中，TPS62968 是低壓差 (LDO) 線性穩壓器的高效率替代方案。

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