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線性與低壓差 (LDO) 穩壓器

TPS763-Q1

現行

具有啟用功能的汽車 150-mA、10-V、低壓差電壓穩壓器

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TPS784-Q1 現行 具有高精度和啟用功能的車用 300mA、低 IQ、高 PSRR LDO 穩壓器 Lower dropout voltage

TPS763-Q1

現行
產品規格表 立即訂購

產品詳細資料

Output options Adjustable Output, Fixed Output Iout (max) (A) 0.15 Vin (max) (V) 10 Vin (min) (V) 2.7 Vout (max) (V) 7 Vout (min) (V) 1.2 Fixed output options (V) 1.6, 1.8, 2.5, 3, 3.3, 5 Noise (µVrms) 140 Iq (typ) (mA) 0.085 Thermal resistance θJA (°C/W) 193.9 TI functional safety category Functional Safety-Capable Rating Automotive Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Features Enable Accuracy (%) 3 PSRR at 100 KHz (dB) 42 Dropout voltage (Vdo) (typ) (mV) 300 Operating temperature range (°C) -40 to 125
Output options Adjustable Output, Fixed Output Iout (max) (A) 0.15 Vin (max) (V) 10 Vin (min) (V) 2.7 Vout (max) (V) 7 Vout (min) (V) 1.2 Fixed output options (V) 1.6, 1.8, 2.5, 3, 3.3, 5 Noise (µVrms) 140 Iq (typ) (mA) 0.085 Thermal resistance θJA (°C/W) 193.9 TI functional safety category Functional Safety-Capable Rating Automotive Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Features Enable Accuracy (%) 3 PSRR at 100 KHz (dB) 42 Dropout voltage (Vdo) (typ) (mV) 300 Operating temperature range (°C) -40 to 125
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C
      Ambient Operating Temperature
    • Device HBM ESD Classification Level 1C
    • Device CDM ESD Classification Level C3
  • 150-mA Low-Dropout Regulator
  • Output Voltage: 5 V,3.3 V, 3 V, 2.5 V, 1.8 V, 1.6 V, and Variable
  • Dropout Voltage, Typically 300 mV at 150 mA
  • Thermal Protection
  • Overcurrent Limitation
  • Less Than 2-µA Quiescent Current in Shutdown Mode
  • –40°C to 125°C Operating Junction Temperature Range
  • 5-Pin SOT-23 (DBV) Package
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C
      Ambient Operating Temperature
    • Device HBM ESD Classification Level 1C
    • Device CDM ESD Classification Level C3
  • 150-mA Low-Dropout Regulator
  • Output Voltage: 5 V,3.3 V, 3 V, 2.5 V, 1.8 V, 1.6 V, and Variable
  • Dropout Voltage, Typically 300 mV at 150 mA
  • Thermal Protection
  • Overcurrent Limitation
  • Less Than 2-µA Quiescent Current in Shutdown Mode
  • –40°C to 125°C Operating Junction Temperature Range
  • 5-Pin SOT-23 (DBV) Package

The TPS763xx-Q1 family of low-dropout (LDO) voltage regulators offers the benefits of low-dropout voltage, low-power operation, and miniaturized packaging. These regulators feature low dropout voltages and quiescent currents compared to conventional LDO regulators. Offered in a 5-pin, small outline integrated-circuit SOT-23 package, the TPS763xx-Q1 series devices are ideal for cost-sensitive designs and for applications where board space is at a premium.

A combination of new circuit design and process innovation has enabled the usual pnp pass transistor to be replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is low—typically 300 mV at 150 mA of load current (TPS76333-Q1)—and is directly proportional to the load current. Since the PMOS pass element is a voltage-driven device, the quiescent current is low (140 µA maximum) and is stable over the entire range of output load current (0 mA to 150 mA). Intended for use in portable systems such as laptops and cellular phones, the low-dropout voltage feature and low-power operation result in a significant increase in system battery operating life.

The TPS763xx-Q1 also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current to 1 µA maximum at TJ = 25°C.The TPS763xx-Q1 is offered in 1.6-V,1.8-V, 2.5-V, 3-V, 3.3-V, and 5-V fixed-voltage versions and in a variable version (programmable over the range of 1.5 V to 6.5 V).

The TPS763xx-Q1 family of low-dropout (LDO) voltage regulators offers the benefits of low-dropout voltage, low-power operation, and miniaturized packaging. These regulators feature low dropout voltages and quiescent currents compared to conventional LDO regulators. Offered in a 5-pin, small outline integrated-circuit SOT-23 package, the TPS763xx-Q1 series devices are ideal for cost-sensitive designs and for applications where board space is at a premium.

A combination of new circuit design and process innovation has enabled the usual pnp pass transistor to be replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is low—typically 300 mV at 150 mA of load current (TPS76333-Q1)—and is directly proportional to the load current. Since the PMOS pass element is a voltage-driven device, the quiescent current is low (140 µA maximum) and is stable over the entire range of output load current (0 mA to 150 mA). Intended for use in portable systems such as laptops and cellular phones, the low-dropout voltage feature and low-power operation result in a significant increase in system battery operating life.

The TPS763xx-Q1 also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current to 1 µA maximum at TJ = 25°C.The TPS763xx-Q1 is offered in 1.6-V,1.8-V, 2.5-V, 3-V, 3.3-V, and 5-V fixed-voltage versions and in a variable version (programmable over the range of 1.5 V to 6.5 V).
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類型 標題 日期
* Data sheet TPS763xx-Q1 Low-Power, 150-mA, Low-Dropout Linear Regulators datasheet (Rev. B) PDF | HTML 2016年 3月 31日
Application note LDO Noise Demystified (Rev. B) PDF | HTML 2020年 8月 18日
Functional safety information TPS763xx-Q1 Functional Safety FIT Rate and Failure Mode Distribution 2019年 12月 17日
Application note LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 2017年 8月 9日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

DEM-SOT23LDO — 採用 5 條或 6 條導線 SOT23 (DBV) 封裝且與最大正輸出 LDO 穩壓器相容的 DEM-SOT23LDO

使用指南: PDF
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參考設計

TIDA-01513 — 車用高電壓與隔離洩漏測量參考設計

The function of this reference design is to monitor the isolation resistance of a high-voltage bus to the chassis ground. Monitoring the isolation strength of coupling devices and components from high voltage to the chassis ground is a necessary feature in HEV’s and EV’s as battery (...)
Design guide: PDF
電路圖: PDF
參考設計

PMP30921 — 4-W 非連續導通模式一次側穩壓返馳參考設計

這款微型 4-W 返馳式轉換器具有額外的三個隔離輸出繞組，總共可產生四個輸出。主繞組和輔助繞組串聯之間的繞組比達到 1:1，就可用交流飛馳電容器取代傳統 RCD 緩衝器，以提供更高的效率和更低的 EMI；這需要最低的漏感。汽車輸入範圍為 7-V 至 42-V 突波。三個輸出由低壓差線性穩壓器進行後調節，以改善線路和負載調節及電源漣波抑制 (PSRR)。

已新增差動輸入濾波器來衰減傳導發射，蕭特基整流器則提供反向極性保護。針對使用通用控制器進行多輸出一次側調節的所有方法，輔助繞組串聯無負載是交互調節的限制。

Test report: PDF
參考設計

TIDA-020018 — 汽車分流架構隔離式電流感測器參考設計，適合 DC/DC 與 OBC 應用

This reference design demonstrates high-side primary current sensing in DC/DC converter and onboard charger (OBC) applications for hybrid and electric vehicles. Using an isolated shunt approach for current sensing has several advantages, including high accuracy, linearity and robustness. However, (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-020019 — 車用隔離式 CAN 與電源前端參考設計

This reference design demonstrates reinforced isolated CAN communication, which is widely used in automotive environments, in a small footprint. In hybrid and electric vehicles (HEV/EVs), a high-voltage network is floating with respect to the chassis ground. Isolation is required for the power and (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-01255 — 車用強化型絕緣 CAN 參考設計

This reference design is built for isolated CAN communication, which is widely used in automotive environments. In hybrid and electric vehicles (HEV/EVs), a high-voltage network is floating with respect to the chassis ground. Isolation is required for the power and communication channels (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00794 — 適用於 HEV/EV 牽引逆變器的 IGBT 模組過熱保護參考設計

The TIDA-00794 reference design is a temp sensing solution for IGBT thermal protection in HEV/EV traction inverter system. It monitors the IGBT temperature via the NTC thermistor integrated inside the IGBT module. It provides thermal shut down to the IGBT gate drivers once the NTC thermistor (...)
Design guide: PDF
電路圖: PDF
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