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線性與低壓差 (LDO) 穩壓器

TPS7H1121-SP

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產品規格表

TPS7H1121-SP

現行
產品規格表 立即訂購

產品詳細資料

Rating Space Vin (max) (V) 14 Vin (min) (V) 2.25 Iout (max) (A) 2 Output options Adjustable Output Vout (max) (V) 13.2 Vout (min) (V) 0.6 Fixed output options (V) 0 Noise (µVrms) 4 PSRR at 100 KHz (dB) 45 Iq (typ) (mA) 10 Features Adjustable current limit, Enable, Power good, Soft start Thermal resistance θJA (°C/W) 30.5 Load capacitance (min) (µF) 6.8 Regulated outputs (#) 1 Accuracy (%) 1.5 Dropout voltage (Vdo) (typ) (mV) 400 Operating temperature range (°C) -55 to 125 Radiation, SEL (MeV·cm2/mg) 75 Radiation, TID (typ) (krad) 100
Rating Space Vin (max) (V) 14 Vin (min) (V) 2.25 Iout (max) (A) 2 Output options Adjustable Output Vout (max) (V) 13.2 Vout (min) (V) 0.6 Fixed output options (V) 0 Noise (µVrms) 4 PSRR at 100 KHz (dB) 45 Iq (typ) (mA) 10 Features Adjustable current limit, Enable, Power good, Soft start Thermal resistance θJA (°C/W) 30.5 Load capacitance (min) (µF) 6.8 Regulated outputs (#) 1 Accuracy (%) 1.5 Dropout voltage (Vdo) (typ) (mV) 400 Operating temperature range (°C) -55 to 125 Radiation, SEL (MeV·cm2/mg) 75 Radiation, TID (typ) (krad) 100
CFP (HFT) 22 60.221856 mm² (6.211 mm × 9.696 mm)
  • Total Ionizing Dose radiation characterized:

    • Radiation hardness assurance (RHA) availability of 100krad(Si) or 50krad(Si)

  • Single-Event Effects (SEE) Characterized
    • Single-event latch-up (SEL), single-event burnout (SEB), and single-event gate rupture (SEGR) immune to linear energy transfer (LET) = 75MeV-cm2/mg
    • Single-event functional interrupt (SEFI) characterized to LET = 75MeV-cm2/mg
    • Single-event transient (SET) characterized to LET = 75MeV-cm2/mg
  • Wide VIN range: 2.25V to 14V
  • 2A maximum output current
  • ±1.5% accuracy VIN > 3V over load, and temperature
  • ±1.8% accuracy VIN < 3V over load, and temperature
  • Soft start (SS) control through an external capacitor
  • Open-drain power good (PG) output for power sequencing
  • Programmable current limit through an external resistor (CL)
  • Optional external control loop compensation utilizing the STAB pin
  • Excellent load and line transient response
  • Plastic packages out gas tested per ASTM E595
  • Military (–55°C to 125°C) temperature range
  • Total Ionizing Dose radiation characterized:

    • Radiation hardness assurance (RHA) availability of 100krad(Si) or 50krad(Si)

  • Single-Event Effects (SEE) Characterized
    • Single-event latch-up (SEL), single-event burnout (SEB), and single-event gate rupture (SEGR) immune to linear energy transfer (LET) = 75MeV-cm2/mg
    • Single-event functional interrupt (SEFI) characterized to LET = 75MeV-cm2/mg
    • Single-event transient (SET) characterized to LET = 75MeV-cm2/mg
  • Wide VIN range: 2.25V to 14V
  • 2A maximum output current
  • ±1.5% accuracy VIN > 3V over load, and temperature
  • ±1.8% accuracy VIN < 3V over load, and temperature
  • Soft start (SS) control through an external capacitor
  • Open-drain power good (PG) output for power sequencing
  • Programmable current limit through an external resistor (CL)
  • Optional external control loop compensation utilizing the STAB pin
  • Excellent load and line transient response
  • Plastic packages out gas tested per ASTM E595
  • Military (–55°C to 125°C) temperature range

The TPS7H1121 is a radiation-hardened, low dropout linear regulator (LDO) which operates over a wide input voltage range and is optimized for powering devices in a space environment. The device is capable of sourcing up to 2A over a 2.25V to 14V input.

The device offers excellent stability and features a programmable current limit with a wide adjustment range. To support the complex power requirements of FPGAs, DSPs, and microcontrollers, the TPS7H1121 provides enable on and off functionality, programmable soft start, and a power good open-drain output.

The TPS7H1121 is a radiation-hardened, low dropout linear regulator (LDO) which operates over a wide input voltage range and is optimized for powering devices in a space environment. The device is capable of sourcing up to 2A over a 2.25V to 14V input.

The device offers excellent stability and features a programmable current limit with a wide adjustment range. To support the complex power requirements of FPGAs, DSPs, and microcontrollers, the TPS7H1121 provides enable on and off functionality, programmable soft start, and a power good open-drain output.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 TPS7H1121-SP and TPS7H1121-SEP 2.25V to 14V Input, 2A, Radiation Hardened Low Dropout (LDO) Linear Regulator datasheet (Rev. C) PDF | HTML 2025/11/3
* 輻射及可靠性報告 TPS7H1121-SP Total Ionizing Dose (TID) Radiation Report (Rev. A) 2026/2/13
* 輻射及可靠性報告 TPS7H1121-SP Neutron Displacement Damage (NDD) Characterization Report PDF | HTML 2024/9/19
* 輻射及可靠性報告 TPS7H1121-SP Single-Event Effects (SEE) PDF | HTML 2024/9/18
* SMD TPS7H1121-SP SMD 5962-23203 2024/12/16
白皮書 IC Sourcing for Space: Pros and Cons of Up-screening COTS Versus Space Enhanced Products (SEP) PDF | HTML 2026/7/28
應用說明 Highly Scalable Space Motor Control Platform based on TI’s Space Enhanced Products (-SEP) and Space Products PDF | HTML 2026/6/8
選擇指南 TI Space Products (Rev. L) 2026/3/27
應用說明 Hermetic Package Reflow Profiles, Termination Finishes, and Lead Trim and Form (Rev. A) PDF | HTML 2025/11/5
Application brief DLA Approved Optimizations for QML Products (Rev. C) PDF | HTML 2025/6/17
應用說明 Heavy Ion Orbital Environment Single-Event Effects Estimations (Rev. B) PDF | HTML 2025/6/10
更多文件說明 TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing (Rev. B) 2025/2/20
證書 TPS7H1121EVM-CVAL EU Declaration of Conformity (DoC) 2024/4/5
應用說明 QML flow, its importance, and obtaining lot information (Rev. C) 2023/8/30
應用說明 Single-Event Effects Confidence Interval Calculations (Rev. A) PDF | HTML 2022/10/19
應用說明 DLA Standard Microcircuit Drawings (SMD) and JAN Part Numbers Primer 2020/8/21
電子書 Radiation Handbook for Electronics (Rev. A) 2019/5/21

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開發板

TPS7H1121EVM-CVAL — TPS7H1121-SP 評估模組

TPS7H1121EVM-CVAL 展示單一 TPS7H1121-SP LDO 穩壓器的運作。電路板提供可裝入其他元件的元件封裝，以便進行自訂配置測試，並提供測試點和 SMA 連接器，以簡化性能驗證。
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TPS7H1121-SP PSpice Model

SLVME97.ZIP (36 KB) - PSpice 模型
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參考設計

TIDA-010984 — 航太級、SWaP 最佳化、10A、150V BLDC 與步進馬達控制平台參考設計

TIDA-010984 展示了一套完整的航太級馬達控制平台。此設計支援單一 2 相位和 3 相位步進馬達或雙馬達配置，可採用梯形或磁場定向控制 (FOC)，並透過接腳相容的元件，在不同輻射耐受等級之間進行擴展。藉由 MATLAB®/Simulink® 模型架構設計，可加速軟體開發，而 GaN 技術和高裝置整合度的設計，則可將電路板面積和散熱開銷降至最低。

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