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線性與低壓差 (LDO) 穩壓器

LM137QML-SP

現行

Radiation-tolerant, QML-V, -4.2V to -40V, 1.5A adjustable negative linear regulator

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產品規格表

LM137QML-SP

現行
產品規格表 立即訂購

產品詳細資料

Rating Space Vin (max) (V) -4.2 Vin (min) (V) -40 Iout (max) (A) 1.5 Output options Adjustable Output, Negative Output Vout (max) (V) -1.2 Vout (min) (V) -37 Fixed output options (V) 0 Noise (µVrms) 1110 PSRR at 100 KHz (dB) 30 Iq (typ) (mA) 0.065 Thermal resistance θJA (°C/W) 137 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Accuracy (%) 4 Dropout voltage (Vdo) (typ) (mV) 3000 Operating temperature range (°C) -55 to 125 Radiation, SEL (MeV·cm2/mg) Bipolar Radiation, TID (typ) (krad) 30
Rating Space Vin (max) (V) -4.2 Vin (min) (V) -40 Iout (max) (A) 1.5 Output options Adjustable Output, Negative Output Vout (max) (V) -1.2 Vout (min) (V) -37 Fixed output options (V) 0 Noise (µVrms) 1110 PSRR at 100 KHz (dB) 30 Iq (typ) (mA) 0.065 Thermal resistance θJA (°C/W) 137 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Accuracy (%) 4 Dropout voltage (Vdo) (typ) (mV) 3000 Operating temperature range (°C) -55 to 125 Radiation, SEL (MeV·cm2/mg) Bipolar Radiation, TID (typ) (krad) 30
TO-CAN (NDT) 3 91.6742 mm² (10.03 mm × 9.14 mm)
  • SMD 5962-99517
  • Available TID Qualified to 30 krad(Si)
  • Output Voltage Adjustable from −37 V to −1.2 V
  • 1.5A Output Current Specified, −55°C to +150°C
  • Line Regulation Typically 0.01%/V
  • Load Regulation Typically 0.3%
  • Excellent Thermal Regulation, 0.002%/W
  • 77 dB Ripple Rejection
  • Excellent Rejection of Thermal Transients
  • 50 ppm/°C Temperature Coefficient
  • Temperature-independent Current Limit
  • Internal Thermal Overload Protection
  • Standard 3-lead Transistor Package
  • Output is Short Circuit Protected
  • SMD 5962-99517
  • Available TID Qualified to 30 krad(Si)
  • Output Voltage Adjustable from −37 V to −1.2 V
  • 1.5A Output Current Specified, −55°C to +150°C
  • Line Regulation Typically 0.01%/V
  • Load Regulation Typically 0.3%
  • Excellent Thermal Regulation, 0.002%/W
  • 77 dB Ripple Rejection
  • Excellent Rejection of Thermal Transients
  • 50 ppm/°C Temperature Coefficient
  • Temperature-independent Current Limit
  • Internal Thermal Overload Protection
  • Standard 3-lead Transistor Package
  • Output is Short Circuit Protected

The LM137 are adjustable 3-terminal negative voltage regulators capable of supplying in excess of 1.5 A over an output voltage range of −37 V to −1.2 V. These regulators are exceptionally easy to apply, requiring only 2 external resistors to set the output voltage and 1 output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Further, the LM137 series features internal current limiting, thermal shutdown and safe-area compensation, making them virtually blowout-proof against overloads.

The LM137 serve a wide variety of applications including local on-card regulation, programmable-output voltage regulation or precision current regulation. The LM137 are ideal complements to the LM117 adjustable positive regulators.

The LM137 are adjustable 3-terminal negative voltage regulators capable of supplying in excess of 1.5 A over an output voltage range of −37 V to −1.2 V. These regulators are exceptionally easy to apply, requiring only 2 external resistors to set the output voltage and 1 output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Further, the LM137 series features internal current limiting, thermal shutdown and safe-area compensation, making them virtually blowout-proof against overloads.

The LM137 serve a wide variety of applications including local on-card regulation, programmable-output voltage regulation or precision current regulation. The LM137 are ideal complements to the LM117 adjustable positive regulators.
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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 LM137QML 3-Terminal Adjustable Negative Regulators datasheet (Rev. F) PDF | HTML 2018/8/9
* 輻射及可靠性報告 LM137QML-SP TID Report 2013/3/20
* SMD LM137QML-SP SMD 5962-99517 2020/8/10
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
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
應用說明 Use of an LDO as a Load Switch for Space Applications 2018/8/1

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