Datasheet LT3033 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 3A, 0.95V to 10V, Very Low Dropout Linear Regulator with Programmable Current Limit |
| 页数 / 页 | 24 / 3 — ELECTRICAL. CHARACTERISTICS The. denotes the specifications which apply … |
| 修订版 | A |
| 文件格式/大小 | PDF / 3.7 Mb |
| 文件语言 | 英语 |
ELECTRICAL. CHARACTERISTICS The. denotes the specifications which apply over the full operating
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LT3033
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage (Notes 4, 6) ILOAD = 3A, TA > 0°C 0.95 1.05 V ILOAD = 3A, TA ≤ 0°C 0.95 1.14 V ADJ Pin Voltage (Notes 5, 6, 7) VIN = 1.5V, ILOAD = 1mA 197 200 203 mV 1.14V < VIN < 10V, 1mA < ILOAD < 3A l 194 200 206 mV Line Regulation (Note 13) VIN = 1.14V to 10V, ILOAD = 1mA l 0.1 1.25 mV Load Regulation (Note 13) VIN = 1.14V, ILOAD = 1mA to 3A 0.15 1 mV l 2 mV Dropout Voltage ILOAD = 100mA 45 70 mV VIN = VOUT(NOMINAL) ILOAD = 100mA l 165 mV (Notes 8, 9) ILOAD = 500mA 55 85 mV ILOAD = 500mA l 175 mV ILOAD = 1.5A 70 105 mV ILOAD = 1.5A l 195 mV ILOAD = 3A 95 135 mV ILOAD = 3A l 240 mV GND Pin Current ILOAD = 0mA l 1.9 3.5 mA VIN = VOUT(NOMINAL) + 0.4V ILOAD = 1mA l 2 3.8 mA (Notes 9, 10) ILOAD = 100mA l 3.2 7 mA ILOAD = 500mA l 6 14 mA ILOAD = 1.5A l 13 36 mA ILOAD = 3A l 27 60 mA Output Voltage Noise COUT = 10μF, ILOAD = 3A, BW = 10Hz to 100kHz, 60 µVRMS CREF/BYP = 10nF, VOUT = 1.2V, CFF = 10nF ADJ Pin Bias Current (Notes 9, 11) VADJ = 0.2V, VIN = 1.5V 5 40 nA Shutdown Threshold VOUT = Off to On l 0.65 0.95 V VOUT = On to Off l 0.25 0.63 V SHDN Pin Current (Note 12) VSHDN = 0V, VIN = 10V l ±1 µA VSHDN = 10V, VIN = 10V l 5.8 15 µA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V 22 37 µA PWRGD Trip Point % of Nominal Output Voltage, Output Rising l 88 92 95 % PWRGD Trip Point Hysteresis % of Nominal Output Voltage, Output Falling 1.9 % PWRGD Output Low Voltage IPWRGD = 100μA l 40 150 mV PWRGD Leakage Current VSHDN = 0V, VPWRGD = 10V l 1 µA Ripple Rejection (Note 13) VIN – VOUT = 1V, VRIPPLE = 0.5VP-P, 60 dB fRIPPLE = 120Hz, ILOAD = 3A VIN – VOUT = 1V, VRIPPLE = 50mVRMS, 60 dB fRIPPLE = 10kHz, ILOAD = 3A VIN – VOUT = 1V, VRIPPLE = 50mVRMS, 52 dB fRIPPLE = 1MHz, ILOAD = 3A Internal Current Limit (Note 9) VIN = 4V, VOUT = 0V l 3.6 4.5 5.4 A VIN = 1.14V, ∆VOUT = –0.1V l 3.1 A Programmable Current Limit (Note 9) VIN = 1.5V, RILIM = 332, VOUT = 0V l 1.32 1.5 1.68 A VIN = 1.5V, RILIM = 162, VOUT = 0V l 2.64 3 3.36 A Input Reverse Leakage Current (Note 14) VIN = –10V, VOUT = 0V 5 µA Reverse Output Current (Notes 15, 16) VOUT = 1.2V, VIN = 0V 0.1 15 µA Current Monitor Ratio (Note 17) ILOAD = 0.1A, 0.5A, 1.5A, 3A TA > 0°C 2517.5 2650 2782.5 A/A Ratio = IOUT/IMON VIN = 1.5V, VOUT = 1.2V TA ≤ 0°C 2491 2650 2809 A/A Rev. A For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Revision History Typical Application Related Parts
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage (Notes 4, 6) ILOAD = 3A, TA > 0°C 0.95 1.05 V ILOAD = 3A, TA ≤ 0°C 0.95 1.14 V ADJ Pin Voltage (Notes 5, 6, 7) VIN = 1.5V, ILOAD = 1mA 197 200 203 mV 1.14V < VIN < 10V, 1mA < ILOAD < 3A l 194 200 206 mV Line Regulation (Note 13) VIN = 1.14V to 10V, ILOAD = 1mA l 0.1 1.25 mV Load Regulation (Note 13) VIN = 1.14V, ILOAD = 1mA to 3A 0.15 1 mV l 2 mV Dropout Voltage ILOAD = 100mA 45 70 mV VIN = VOUT(NOMINAL) ILOAD = 100mA l 165 mV (Notes 8, 9) ILOAD = 500mA 55 85 mV ILOAD = 500mA l 175 mV ILOAD = 1.5A 70 105 mV ILOAD = 1.5A l 195 mV ILOAD = 3A 95 135 mV ILOAD = 3A l 240 mV GND Pin Current ILOAD = 0mA l 1.9 3.5 mA VIN = VOUT(NOMINAL) + 0.4V ILOAD = 1mA l 2 3.8 mA (Notes 9, 10) ILOAD = 100mA l 3.2 7 mA ILOAD = 500mA l 6 14 mA ILOAD = 1.5A l 13 36 mA ILOAD = 3A l 27 60 mA Output Voltage Noise COUT = 10μF, ILOAD = 3A, BW = 10Hz to 100kHz, 60 µVRMS CREF/BYP = 10nF, VOUT = 1.2V, CFF = 10nF ADJ Pin Bias Current (Notes 9, 11) VADJ = 0.2V, VIN = 1.5V 5 40 nA Shutdown Threshold VOUT = Off to On l 0.65 0.95 V VOUT = On to Off l 0.25 0.63 V SHDN Pin Current (Note 12) VSHDN = 0V, VIN = 10V l ±1 µA VSHDN = 10V, VIN = 10V l 5.8 15 µA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V 22 37 µA PWRGD Trip Point % of Nominal Output Voltage, Output Rising l 88 92 95 % PWRGD Trip Point Hysteresis % of Nominal Output Voltage, Output Falling 1.9 % PWRGD Output Low Voltage IPWRGD = 100μA l 40 150 mV PWRGD Leakage Current VSHDN = 0V, VPWRGD = 10V l 1 µA Ripple Rejection (Note 13) VIN – VOUT = 1V, VRIPPLE = 0.5VP-P, 60 dB fRIPPLE = 120Hz, ILOAD = 3A VIN – VOUT = 1V, VRIPPLE = 50mVRMS, 60 dB fRIPPLE = 10kHz, ILOAD = 3A VIN – VOUT = 1V, VRIPPLE = 50mVRMS, 52 dB fRIPPLE = 1MHz, ILOAD = 3A Internal Current Limit (Note 9) VIN = 4V, VOUT = 0V l 3.6 4.5 5.4 A VIN = 1.14V, ∆VOUT = –0.1V l 3.1 A Programmable Current Limit (Note 9) VIN = 1.5V, RILIM = 332, VOUT = 0V l 1.32 1.5 1.68 A VIN = 1.5V, RILIM = 162, VOUT = 0V l 2.64 3 3.36 A Input Reverse Leakage Current (Note 14) VIN = –10V, VOUT = 0V 5 µA Reverse Output Current (Notes 15, 16) VOUT = 1.2V, VIN = 0V 0.1 15 µA Current Monitor Ratio (Note 17) ILOAD = 0.1A, 0.5A, 1.5A, 3A TA > 0°C 2517.5 2650 2782.5 A/A Ratio = IOUT/IMON VIN = 1.5V, VOUT = 1.2V TA ≤ 0°C 2491 2650 2809 A/A Rev. A For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Revision History Typical Application Related Parts