电源管理

瑞萨电子的一系列电压基准源 (Vref) 电路可提供不受外部影响（如温度、输入电压、时间的变化）、精确稳定的基准电压。

瑞萨电子在浮置栅极阵列™ (FGA™) 和带隙技术中提供一系列高精度电压基准源。 瑞萨电子革命性的 FGA 电压基准源集成电路不依赖硅结产生的电压。 FGA 技术将精密电荷存储在一个基本不受温度、输入电压和时间等外部变化影响的浮置栅极单元上，从而产生极为精确和稳定的基准电压。 标准电压基准源性能被具有业内最高精度和稳定性，但功耗却是业内最低的产品系列提升到空前的高度。

电压基准源系列

ISL21010 微功耗基准源

ISL21010 是一种精密、低压降微功耗带隙电压基准源，采用节省空间的 SOT-23 封装。 其工作电压为单电源 2.2V - 5.5V（最小电压取决于电压选项），提供的基准电压精度为 ±0.2%。 ISL21010 可提供高达 25mA 的输出电流源，压降低至 150mV。

ISL21070 25µA 微功耗基准源

ISL21070 电压基准源属于模拟电压基准源，可在低电源电压下工作，最大工作电流低至 25µA。 此外，ISL21070 系列具有稳定的 ±0.2% 的初始精度以及 30ppm/°C 的温度系数。 这类基准源非常适用于通用场景，能以更低的成本满足性能需求。

ISL21080 300nA 毫微功耗基准源

ISL21080 属于模拟电压基准源，可在低电源电压下工作，工作电流典型值低至 310nA，最大工作电流为 1.5µA。 此外，ISL21080 系列具有稳定的 ±0.2% 的初始精度以及 50ppm/°C 的温度系数。

ISL21090 超低噪音、高精度基准源

ISL21090 是一款超低噪音、高 DC 精度的精密电压基准源，具有较大的输入电压范围。 ISL21090 利用瑞萨电子先进的双极技术，可在 0.1Hz 到 10Hz 之间将噪音控制在1.0µVP-P (1.25V) 之下，并实现 0.02% (2.5V) 的初始电压精度。

ISL60002 高精度、低功耗 FGA 基准源

ISL60002 FGA 电压基准源属于超高精度的模拟电压基准源，采用瑞萨电子专有的浮置栅极模拟技术，可在低电源电压下工作，工作电流低至 350nA。 此外，ISL60002 系列具有稳定的 ±1.0mV 的初始精度以及 20ppm/°C 的温度系数。 ISL60002 系列初始精度和温度性能稳定，加上电源电压较低且功耗低至 350nA，无需牺牲热稳定性即可降低功耗，因此是转换系统的理想搭档。

X60003 高精度 SOT-23 FGA 基准源

X60003 FGA 电压基准源属于超高精度的模拟电压基准源，采用瑞萨电子专有的浮置栅极模拟技术，与传统的带隙、掩埋齐纳或 XFET™ 技术相比，具备更高的性能水平。

产品选型表

    Processing table
    VOUT (V)
    Supply Voltage Vs Range
    Technology
    Temperature Coefficient (ppm/°C)
    Initial Accuracy (% Vout) (% Vout)
    Hysteresis (ppm)
    IS (mA)
    ISINK (Max) (mA)
    ISOURCE (Max) (mA)
    Output Noise (Typical)
    Low Frequency Noise (µVPP)
    LTD Stability (ppm)
    Initial Accuracy (mV (±)) (mV (±))
    VS (Min) (V)
    VS (Max) (V)
    Qualification Level
    Lead Count (#)
    Pkg. Type
    器件号
    ISL21010CFH315
    Micropower Voltage Reference    		 1.5 2.2 to 5.5 Band-gap 15 0.2 100 0.1 118 25 20 µVRMS 35 110 2.2 V 5.5 V Standard 3 SOT23
    ISL21010CFH320
    Micropower Voltage Reference    		 2.048 2.2 to 5.5 Band-gap 15 0.2 100 0.1 118 25 26 µVRMS 58 50 2.2 V 5.5 V Standard 3 SOT23
    ISL21010CFH325
    Micropower Voltage Reference    		 2.5 2.6 to 5.5 Band-gap 15 0.2 100 0.1 118 25 37 µVRMS 67 110 2.6 V 5.5 V Standard 3 SOT23
    ISL21010CFH330
    Micropower Voltage Reference    		 3 3.1 to 5.5 Band-gap 15 0.2 100 0.1 126 25 36 µVRMS 86 50 3.1 V 5.5 V Standard 3 SOT23
    ISL21010CFH333
    Micropower Voltage Reference    		 3.3 3.4 to 5.5 Band-gap 15 0.2 100 0.1 126 25 40 µVRMS 95 50 3.4 V 5.5 V Standard 3 SOT23
    ISL21010CFH341
    Micropower Voltage Reference    		 4.096 4.2 to 5.5 Band-gap 15 0.2 100 0.1 126 25 56 µVRMS 112 110 4.2 V 5.5 V Standard 3 SOT23
    ISL21010DFH310
    Micropower Voltage Reference with 1.024V Output Voltage    		 1.024 2.2 to 5.5 Band-gap 15 0.2 100 0.1 118 25 14 µVRMS 24 110 2.2 V 5.5 V Standard 3 SOT23
    ISL21080CIH315
    300nA NanoPower Voltage References with 1.5 VOUT    		 1.5 2.7 to 5.5 Floating Gate Array 50 0.5 100 0.0015 7 7 30 µVPP 30 50 7.5 2.7 V 5.5 V Standard 3 SOT23
    ISL21080CIH320
    300nA NanoPower Voltage References with 2.048 VOUT    		 2.048 2.7 to 5.5 Floating Gate Array 50 0.3 100 0.0015 7 7 30 µVPP 30 50 6.2 2.7 V 5.5 V Standard 3 SOT23
    ISL21080CIH325
    300nA NanoPower Voltage References with 2.5 VOUT    		 2.5 2.7 to 5.5 Floating Gate Array 50 0.3 100 0.0015 7 7 30 µVPP 30 50 7.5 2.7 V 5.5 V Standard 3 SOT23
    ISL21080CIH330
    300nA NanoPower Voltage References with 3.0 VOUT    		 3 3.2 to 5.5 Floating Gate Array 50 0.2 100 0.0015 7 7 30 µVPP 30 50 6 3.2 V 5.5 V Standard 3 SOT23
    ISL21080CIH333
    300nA NanoPower Voltage References with 3.3 VOUT    		 3.3 3.5 to 5.5 Floating Gate Array 50 0.2 100 0.0015 10 10 30 µVPP 30 50 6.6 3.5 V 5.5 V Standard 3 SOT23
    ISL21080CIH341
    300nA NanoPower Voltage References with 4.096 VOUT    		 4.096 4.5 to 8.0 Floating Gate Array 50 0.2 100 0.0015 10 10 30 µVPP 30 50 8.2 4.5 V 8 V Standard 3 SOT23
    ISL21080DIH309
    300nA NanoPower Voltage References with 0.9 VOUT    		 0.9 2.0 to 5.5 Floating Gate Array 50 0.7 100 0.0015 10 10 40 µVPP 30 60 6.3 2 V 5.5 V Standard 3 SOT23
    ISL21080DIH310
    300nA NanoPower Voltage References    		 1.024 2.7 to 5.5 Floating Gate Array 50 0.7 100 0.0015 7 7 30 µVPP 30 50 7.2 2.7 V 5.5 V Standard 3 SOT23
    ISL21080DIH312
    300nA NanoPower Voltage References with 1.25 VOUT    		 1.25 2.7 to 5.5 Floating Gate Array 50 0.6 100 0.0015 7 7 30 µVPP 30 50 7.5 2.7 V 5.5 V Standard 3 SOT23
    ISL21090B12
    Ultra-Low Noise, Precision Voltage Reference with 1.25 VOUT    		 1.25 3.7 to 36 Bipolar 7 0.02 1.28 10 20 1 µVPP 1.2 20 0.375 3.7 V 36 V Standard 8 SOICN
    ISL21090B25
    Ultra-Low Noise, Precision Voltage Reference with 2.5 VOUT    		 2.5 3.7 to 36 Bipolar 7 0.02 1.28 10 20 1.9 µVPP 1.9 20 0.5 3.7 V 36 V Standard 8 SOICN
    ISL21090B50
    Ultra-Low Noise, Precision Voltage Reference with 5.0 VOUT    		 5 7 to 36 Bipolar 7 0.025 1.33 10 20 4.2 µVPP 4.2 20 0.125 7 V 36 V Standard 8 SOICN
    ISL60002B12
    Precision Low Power FGA™ Voltage References    		 1.25 2.7 to 5.5 Floating Gate Array 20 0.08 100 0.0009 7 7 30 µVPP 30 50 1 2.7 V 5.5 V Standard 3 SOT23
    ISL60002B25
    Precision Low Power FGA™ Voltage References    		 2.5 2.7 to 5.5 Floating Gate Array 20 0.04 100 0.0009 7 7 30 µVPP 30 50 1 2.7 V 5.5 V Standard 3 SOT23
    ISL60002BAH333
    Precision Low Power FGA™ Voltage References    		 3.3 3.5 to 5.5 Floating Gate Array 20 0.03 100 0.0009 7 7 30 µVPP 30 50 1 3.5 V 5.5 V Standard 3 SOT23
    ISL60002BIH310
    Precision Low Power FGA™ Voltage References    		 1.024 2.7 to 5.5 Floating Gate Array 20 0.1 100 0.0009 7 7 30 µVPP 30 50 1 2.7 V 5.5 V Standard 3 SOT23
    ISL60002BIH311
    Precision Low Power FGA™ Voltage References    		 1.2 2.7 to 5.5 Floating Gate Array 20 0.08 100 0.0009 7 7 30 µVPP 30 50 1 2.7 V 5.5 V Standard 3 SOT23
    ISL60002BIH318
    Precision Low Power FGA™ Voltage References    		 1.8 2.7 to 5.5 Floating Gate Array 20 0.06 100 0.0009 7 7 30 µVPP 30 50 1 2.7 V 5.5 V Standard 3 SOT23
    ISL60002BIH320
    Precision Low Power FGA™ Voltage References    		 2.048 2.7 to 5.5 Floating Gate Array 20 0.05 100 0.0009 7 7 30 µVPP 30 50 1 2.7 V 5.5 V Standard 3 SOT23
    ISL60002BIH326
    Precision Low Power FGA™ Voltage References    		 2.6 2.8 to 5.5 Floating Gate Array 20 0.04 100 0.0009 7 7 30 µVPP 30 50 1 2.8 V 5.5 V Standard 3 SOT23
    ISL60002BIH330
    Precision Low Power FGA™ Voltage References    		 3 3.2 to 5.5 Floating Gate Array 20 0.03 100 0.0009 7 7 30 µVPP 30 50 1 3.2 V 5.5 V Standard 3 SOT23
    ISL60002C12
    Precision Low Power FGA™ Voltage References    		 1.25 2.7 to 5.5 Floating Gate Array 20 0.2 100 0.0009 7 7 30 µVPP 30 50 2.5 2.7 V 5.5 V Standard 3 SOT23
    ISL60002C25
    Precision Low Power FGA™ Voltage References    		 2.5 2.7 to 5.5 Floating Gate Array 20 0.1 100 0.0009 7 7 30 µVPP 30 50 2.5 2.7 V 5.5 V Standard 3 SOT23
    ISL60002CAH333
    Precision Low Power FGA™ Voltage References    		 3.3 3.5 to 5.5 Floating Gate Array 20 0.08 100 0.0007 20 20 30 µVPP 30 50 2.5 3.5 V 5.5 V Standard 3 SOT23
    ISL60002CIH310
    Precision Low Power FGA™ Voltage References    		 1.024 2.7 to 5.5 Floating Gate Array 20 0.24 100 0.0009 7 7 30 µVPP 30 50 2.5 2.7 V 5.5 V Standard 3 SOT23
    ISL60002CIH311
    Precision Low Power FGA™ Voltage References    		 1.2 2.7 to 5.5 Floating Gate Array 20 0.21 100 0.0009 7 7 30 µVPP 30 50 2.5 2.7 V 5.5 V Standard 3 SOT23
    ISL60002CIH318
    Precision Low Power FGA™ Voltage References    		 1.8 2.7 to 5.5 Floating Gate Array 20 0.14 100 0.0009 7 7 30 µVPP 30 50 2.5 2.7 V 5.5 V Standard 3 SOT23
    ISL60002CIH320
    Precision Low Power FGA™ Voltage References    		 2.048 2.7 to 5.5 Floating Gate Array 20 0.12 100 0.0009 7 7 30 µVPP 30 50 2.5 2.7 V 5.5 V Standard 3 SOT23
    ISL60002CIH326
    Precision Low Power FGA Voltage References    		 2.6 2.8 to 5.5 Floating Gate Array 20 0.1 100 0.0009 7 7 30 µVPP 30 50 2.5 2.8 V 5.5 V Standard 3 SOT23
    ISL60002CIH330
    Precision Low Power FGA Voltage References    		 3 3.2 to 5.5 Floating Gate Array 20 0.08 100 0.0009 7 7 30 µVPP 30 50 2.5 3.2 V 5.5 V Standard 3 SOT23
    ISL60002D12
    Precision Low Power FGA Voltage References    		 1.25 2.7 to 5.5 Floating Gate Array 20 0.4 100 0.0009 7 7 30 µVPP 30 50 5 2.7 V 5.5 V Standard 3 SOT23
    ISL60002D25
    Precision Low Power FGA Voltage References    		 2.5 2.7 to 5.5 Floating Gate Array 20 0.2 100 0.0009 7 7 30 µVPP 30 50 5 2.7 V 5.5 V Standard 3 SOT23
    ISL60002DAH333
    Precision Low Power FGA Voltage References    		 3.3 3.5 to 5.5 Floating Gate Array 20 0.15 100 0.0007 20 20 30 µVPP 30 50 5 3.5 V 5.5 V Standard 3 SOT23
    ISL60002DIH310
    Precision Low Power FGA Voltage References    		 1.024 2.7 to 5.5 Floating Gate Array 20 0.49 100 0.0009 7 7 30 µVPP 30 50 5 2.7 V 5.5 V Standard 3 SOT23
    ISL60002DIH311
    Precision Low Power FGA Voltage References    		 1.2 2.7 to 5.5 Floating Gate Array 20 0.42 100 0.0009 7 7 30 µVPP 30 50 5 2.7 V 5.5 V Standard 3 SOT23
    ISL60002DIH318
    Precision Low Power FGA Voltage References    		 1.8 2.7 to 5.5 Floating Gate Array 20 0.28 100 0.0009 7 7 30 µVPP 30 50 5 2.7 V 5.5 V Standard 3 SOT23
    ISL60002DIH320
    Precision Low Power FGA Voltage References    		 2.048 2.7 to 5.5 Floating Gate Array 20 0.24 100 0.0009 7 7 30 µVPP 30 50 5 2.7 V 5.5 V Standard 3 SOT23
    ISL60002DIH326
    Precision Low Power FGA Voltage References    		 2.6 2.8 to 5.5 Floating Gate Array 20 0.2 100 0.0009 7 7 30 µVPP 30 50 5 2.8 V 5.5 V Standard 3 SOT23
    ISL60002DIH330
    Precision Low Power FGA Voltage References    		 3 3.2 to 5.5 Floating Gate Array 20 0.17 100 0.0009 7 7 30 µVPP 30 50 5 3.2 V 5.5 V Standard 3 SOT23
    X60003B-41
    Precision 4.096V SOT-23 FGA™ Voltage Reference    		 4.096 4.5 to 9.0 Floating Gate Array 10 0.02 150 0.0009 10 10 30 µVPP 30 50 1 4.5 V 9 V Standard 3 SOT23
    X60003C-41
    Precision 4.096V SOT-23 FGA™ Voltage Reference    		 4.096 4.5 to 9.0 Floating Gate Array 20 0.06 150 0.0009 10 10 30 µVPP 30 50 2.5 4.5 V 9 V Standard 3 SOT23
    X60003C-50
    Precision 5.0V SOT-23 FGA™ Voltage Reference    		 5 5.1 to 9.0 Floating Gate Array 20 0.05 100 0.0009 10 10 30 µVPP 30 45 2.5 5.1 V 9 V Standard 3 SOT23
    X60003D-50
    Precision 5.0V SOT-23 FGA™ Voltage Reference    		 5 5.1 to 9.0 Floating Gate Array 20 0.1 100 0.0009 10 10 30 µVPP 30 45 5 5.1 V 9 V Standard 3 SOT23
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