AEC-Q100 ISO/TS16949 Automotive NJM1431A ADJUSTABLE HIGH PRECISION SHUNT REGULATOR ■FEATURES ●Operating Temperature -40ºC ≤ Ta ≤ +105ºC ● Operating Voltage VREF to 36V ● Precision Voltage Reference 2.465V±2% (-40ºC ≤ Ta ≤ +105ºC) ● Adjustable Output Voltage ● Bipolar Technology ● Package Outline NJM1431AU : SOT89 (3pin) NJM1431AF : SOT-23-5 (MTP5) ■BLOCK DIAGRAM ■PACKAGE OUTLINE NJM1431AU NJM1431AF ■PIN CONFIGURATION CATHODE 1 REFERENCE 2 1. REFERENCE 2. ANODE 3. CATHODE 3 NJM1431AU VREF NC 1 5 REFERENCE ANODE 2 NC 3 4 CATHODE ANODE NJM1431AF Ver.2011-11-02 -1- NJM1431A ■ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL Cathode Voltage VKA Continuous Cathode Current IK Reference Input Current IREF Power Dissipation PD Operating Temperature Range Storage Temperature Range TOPR TSTG MAXIMUM RATINGS +37 -100 ~ 150 -0.05 ~ 10 SOT89 (3pin) 625 (*1) SOT-23-5 480 (*2) -40 ~ +85 -40 ~ +150 UNIT V mA mA mW °C °C (*1): Mounted on glass epoxy board based on EIA/JEDEC STANDARD. (76.2 × 114.3 × 1.6mm: 2Layers, copper area 100mm2) (*2): Mounted on glass epoxy board based on EIA/JEDEC STANDARD. (76.2 × 114.3 × 1.6mm: 2Layers) ■RECOMMENDED OPERATING CONDITIONS (Ta=25°C) PARAMETER SYMBOL MIN. TYP. Cathode Voltage VKA VREF – Cathode Current IK 1 – MAX. 36 100 UNIT V mA ■ELECTRICAL CHARACTERISTICS (IK=10mA, Ta=25°C) PARAMETER Reference Voltage Reference Voltage Change vs. Cathode Voltage Change Reference Input Current Minimum Input Current Cathode Current (Off Cond.) Dynamic Impedance SYMBOL VREF TEST CONDITION MIN. TYP. MAX. UNIT VKA=VREF ⎮VREF⎮≤ VKA ≤ 10V (*3) (*4) 2.440 – 2.465 ±1.4 2.490 ±2.7 V mV/V 10V ≤ VKA ≤ 36V (*4) – ±1.0 ±2.0 mV/V IREF IMIN R1=10kΩ, R2=∞ VKA=VREF, ΔVREF=1% (*4) (*3) – – 2 0.4 4 1.0 uA mA IOFF VKA=36V, VREF=0V (*5) – 0.1 1.0 uA ⎮ZKA⎮ VKA= VREF, f≤1kHz 1mA ≤ IK ≤ 100mA (*3) – 0.2 0.5 Ω MIN. TYP. MAX. UNIT 2.415 – – – – – 2.515 6 1.0 V uA mA ΔVREF/ ΔVKA ■ELECTRICAL CHARACTERISTICS (IK=10mA, -40ºC ≤ Ta ≤ +105ºC) PARAMETER Reference Voltage Reference Input Current Minimum Input Current SYMBOL VREF IREF IMIN TEST CONDITION VKA=VREF R1=10kΩ, R2=∞ VKA=VREF, ΔVREF=1% (*3) (*4) (*3) ⎮VREF⎮···Reference voltage includes error. (*3): Test Circuit (Fig.1) (*4): Test Circuit (Fig.2) (*5): Test Circuit (Fig.3) -2- Ver.2011-11-02 NJM1431A ■TEST CIRCUIT INPUT VKA INPUT IK INPUT IK R1 VKA IOFF IREF R2 VREF VKA VREF Fig.1 VKA=VREF to test circuit Fig.2 VKA>VREF to test circuit Fig.3 IOFF to test circuit VO=VKA=VREF R1 ⎞ ⎛ VO = VKA = VREF⎜ 1 + ⎟ + IREF × R1 R 2⎠ ⎝ ■POWER DISSIPATION VS. AMBIENT TEMPERATURE Power Dissipation vs Ambient Temperature (Topr=-40℃～+105℃、Tjmax=150℃) 800 Power Dissipation （mW） 700 600 SOT-89 Package 500 400 SOT-23-5 Package 300 200 100 0 -40 Ver.2011-11-02 -20 0 20 40 60 80 100 Ambient Temperature（℃） 120 140 -3- NJM1431A ■TYPICAL CHARACTERISTICS Reference Voltage vs Temperature NJM1431 基準電圧温度特性 （VKA=VREF, IK=10mA) Reference Input Current vs Temperature NJM1431 基準入力電流温度特性 （IK=10mA, R1=10kΩ, R2=OPEN) 4 Reference Input Current [μA] 基準入力電流 [μA] Reference Voltage [V] 基準電圧 [V] 2.5 2.48 2.46 2.44 -25 0 25 50 75 2 1 0 -50 2.42 -50 3 100 125 150 Reference Voltage vs T Cathode Voltage NJM1431A 基準電圧対カソード電圧 （IK=10mA, R1=Variable, R2=10kΩ) 25 50 75 100 125 150 Reference Voltage vs T Cathode Current 基準電圧対カソード電流 NJM1431A （VKA=VREF) 2.47 2.5 Ta=+25℃ 2.46 2.48 2.45 Reference Voltage [V] 基準電圧 [V] Reference Voltage [V] 基準電圧 [V] 0 周囲温度 [℃] [ºC] Ambient Temperature 周囲温度 [℃] [ºC] Ambient Temperature Ta=-40℃ Ta=+105℃ 2.44 2.43 Ta=-40℃ 2.46 Ta=+25℃ Ta=+105 2.44 2.42 2.4 0 3 6 9 12 カソード電圧 [V][V] Cathode Voltage -4- -25 15 18 0.1 1 10 カソード電流 [mA] Cathode Current [mA] 100 Ver.2011-11-02 NJM1431A ■TYPICAL CHARACTERISTICS Safety Operating Boundary Condition (Rin=30Ω, VKA =VREF , Ta=25oC) Cathode Current IK (mA) 100 Safety Operating Boundary Condition Test Circuit Ceramic Capacitor 80 Rin=30Ω VKA 60 Stable Operaion 40 Region 20 0 0.01 IK V+ COUT Unstable Operaion Region 0.1 1 Output Capacitor COUT (μF) 10 Note) Oscillation might occur while operating within the range of safety curve. So that, it is necessary to make ample margins by taking considerations of fluctuation of the device. Safety Operating Boundary Condition (Rin=30Ω, V =V KA 100 o , Ta=25 C) REF 80 K Cathode Current I (mA) Aluminum Electrolytic Capacitor 60 Stable Operaion Region 40 20 0 0.1 Unstable Operaion Region 1 Output Capacitor C OUT 10 (μF) [CAUTION] The specifications on this data sheet are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this data sheet are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. Ver.2011-11-02 -5-