Datasheet LTC3331 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Charger |
| 页数 / 页 | 34 / 4 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| 文件格式/大小 | PDF / 577 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the specified operating
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LTC3331
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 5V, BAT_IN = BAT_OUT = BB_IN = 3.6V, SHIP = OV, SCAP = 0V unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOUT Regulated Buck/Buck-Boost Output 1.8V Output Selected Voltage Sleep Threshold l 1.806 1.872 V Wake-Up Threshold l 1.728 1.794 V 2.5V Output Selected Sleep Threshold l 2.508 2.575 V Wake-Up Threshold l 2.425 2.492 V 2.8V Output Selected Sleep Threshold l 2.809 2.884 V Wake-Up Threshold l 2.716 2.791 V 3.0V Output Selected Sleep Threshold l 3.010 3.090 V Wake-Up Threshold l 2.910 2.990 V 3.3V Output Selected Sleep Threshold l 3.311 3.400 V Wake-Up Threshold l 3.200 3.289 V 3.6V Output Selected Sleep Threshold l 3.612 3.708 V Wake-Up Threshold l 3.492 3.588 V 4.5V Output Selected Sleep Threshold l 4.515 4.635 V Wake-Up Threshold l 4.365 4.485 V 5.0V Output Selected Sleep Threshold l 5.017 5.150 V Wake-Up Threshold l 4.850 4.983 V PGVOUT Falling Threshold As a Percentage of VOUT Target (Note 5) l 88 92 96 % IPEAK_BB Buck-Boost Peak Switch Current 250mA Target Selected 200 250 350 mA 150mA Target Selected 120 150 210 mA 100mA Target Selected 80 100 140 mA 50mA Target Selected 40 50 70 mA 25mA Target Selected 20 25 35 mA 15mA Target Selected 12 15 21 mA 10mA Target Selected 8 10 14 mA 5mA Target Selected 4 5 7 mA Available Buck-Boost Current IPEAK_BB = 250mA, VOUT = 3.3V 50 mA Buck-Boost PMOS Input and Output IPK[2:0] = 111 0.8 Ω Switch On-Resistance IPK[2:0] = 110 1.0 Ω IPK[2:0] = 101 1.4 Ω IPK[2:0] = 100 2.4 Ω IPK[2:0] = 011 4.5 Ω IPK[2:0] = 010 7.3 Ω IPK[2:0] = 001 10.7 Ω IPK[2:0] = 000 20.5 Ω Buck-Boost NMOS Input and Output IPK2 = 1 0.6 Ω Switch On-Resistance IPK2 = 0 3.9 Ω 3331fc 4 For more information www.linear.com/LTC3331 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 5V, BAT_IN = BAT_OUT = BB_IN = 3.6V, SHIP = OV, SCAP = 0V unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOUT Regulated Buck/Buck-Boost Output 1.8V Output Selected Voltage Sleep Threshold l 1.806 1.872 V Wake-Up Threshold l 1.728 1.794 V 2.5V Output Selected Sleep Threshold l 2.508 2.575 V Wake-Up Threshold l 2.425 2.492 V 2.8V Output Selected Sleep Threshold l 2.809 2.884 V Wake-Up Threshold l 2.716 2.791 V 3.0V Output Selected Sleep Threshold l 3.010 3.090 V Wake-Up Threshold l 2.910 2.990 V 3.3V Output Selected Sleep Threshold l 3.311 3.400 V Wake-Up Threshold l 3.200 3.289 V 3.6V Output Selected Sleep Threshold l 3.612 3.708 V Wake-Up Threshold l 3.492 3.588 V 4.5V Output Selected Sleep Threshold l 4.515 4.635 V Wake-Up Threshold l 4.365 4.485 V 5.0V Output Selected Sleep Threshold l 5.017 5.150 V Wake-Up Threshold l 4.850 4.983 V PGVOUT Falling Threshold As a Percentage of VOUT Target (Note 5) l 88 92 96 % IPEAK_BB Buck-Boost Peak Switch Current 250mA Target Selected 200 250 350 mA 150mA Target Selected 120 150 210 mA 100mA Target Selected 80 100 140 mA 50mA Target Selected 40 50 70 mA 25mA Target Selected 20 25 35 mA 15mA Target Selected 12 15 21 mA 10mA Target Selected 8 10 14 mA 5mA Target Selected 4 5 7 mA Available Buck-Boost Current IPEAK_BB = 250mA, VOUT = 3.3V 50 mA Buck-Boost PMOS Input and Output IPK[2:0] = 111 0.8 Ω Switch On-Resistance IPK[2:0] = 110 1.0 Ω IPK[2:0] = 101 1.4 Ω IPK[2:0] = 100 2.4 Ω IPK[2:0] = 011 4.5 Ω IPK[2:0] = 010 7.3 Ω IPK[2:0] = 001 10.7 Ω IPK[2:0] = 000 20.5 Ω Buck-Boost NMOS Input and Output IPK2 = 1 0.6 Ω Switch On-Resistance IPK2 = 0 3.9 Ω 3331fc 4 For more information www.linear.com/LTC3331 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts