Datasheet LT3021, LT3021-1.2, LT3021-1.5, LT3021-1.8 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 500mA, Low Voltage, Very Low Dropout Linear Regulator |
| 页数 / 页 | 18 / 4 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| 文件格式/大小 | PDF / 326 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating
该数据表的模型线
- LT3021EDH#PBF LT3021EDH#TRPBF LT3021EDH-1.2#PBF LT3021EDH-1.2#TRPBF LT3021EDH-1.5#PBF LT3021EDH-1.5#TRPBF LT3021EDH-1.8#PBF LT3021EDH-1.8#TRPBF LT3021ES8#PBF LT3021ES8#TRPBF LT3021ES8-1.2#PBF LT3021ES8-1.2#TRPBF LT3021ES8-1.5#PBF LT3021ES8-1.5#TRPBF LT3021ES8-1.8#PBF LT3021ES8-1.8#TRPBF LT3021IS8-1.8#PBF LT3021IS8-1.8#TRPBF
文件文字版本
LT3021/LT3021-1.2/ LT3021-1.5/LT3021-1.8
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TJ = 25°C. SYMBOL CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage ILOAD = 500mA, TJ > 0°C 0.9 1.05 V (Notes 5,14) ILOAD = 500mA, TJ < 0°C 0.9 1.10 V ADJ Pin Voltage (Notes 4, 5) VIN = 1.5V, ILOAD = 1mA 196 200 204 mV 1.15V < VIN < 10V, 1mA < ILOAD < 500mA l 193 200 206 mV Regulated Output Voltage LT3021-1.2 VIN = 1.5V, ILOAD = 1mA 1.176 1.200 1.224 V (Note 4) 1.5V < VIN < 10V, 1mA < ILOAD < 500mA l 1.157 1.200 1.236 V LT3021-1.5 VIN = 1.8V, ILOAD = 1mA 1.470 1.500 1.530 V 1.8V < VIN < 10V, 1mA < ILOAD < 500mA l 1.447 1.500 1.545 V LT3021-1.8 VIN = 2.1V, ILOAD = 1mA 1.764 1.800 1.836 V 2.1V < VIN < 10V, 1mA < ILOAD < 500mA l 1.737 1.800 1.854 V Line Regulation (Note 6) LT3021 ΔVIN = 1.15V to 10V, ILOAD = 1mA l –1.75 0 +1.75 mV LT3021-1.2 ΔVIN = 1.5V to 10V, ILOAD = 1mA l –10.5 0 10.5 mV LT3021-1.5 ΔVIN = 1.8V to 10V, ILOAD = 1mA l –13 0 13 mV LT3021-1.8 ΔVIN = 2.1V to 10V, ILOAD = 1mA l –15.8 0 15.8 mV Load Regulation (Note 6) LT3021 VIN = 1.15V, ΔILOAD = 1mA to 500mA –2 0.4 2 mV LT3021-1.2 VIN = 1.5V, ΔILOAD = 1mA to 500mA –6 1 6 mV LT3021-1.5 VIN = 1.8V, ΔILOAD = 1mA to 500mA –7.5 1.5 7.5 mV LT3021-1.8 VIN = 2.1V, ΔILOAD = 1mA to 500mA –9 2 9 mV Dropout Voltage (Notes 7, 12) ILOAD = 10mA 45 75 mV ILOAD = 10mA l 110 mV ILOAD = 500mA 155 190 mV ILOAD = 500mA l 285 mV GND Pin Current ILOAD = 0mA l 110 250 µA VIN = VOUT(NOMINAL) + 0.4V ILOAD = 10mA 920 µA (Notes 8, 12) ILOAD = 100mA 2.25 mA ILOAD = 500mA l 6.20 10 mA Output Voltage Noise COUT = 4.7µF, ILOAD = 500mA, BW = 10Hz to 100kHz, VOUT = 1.2V 300 µVRMS ADJ Pin Bias Current VADJ = 0.2V, VIN = 1.2V (Notes 6, 9) 20 50 nA Shutdown Threshold VOUT = Off to On l 0.61 0.9 V VOUT = On to Off l 0.25 0.61 V SHDN Pin Current (Note 10) VSHDN = 0V, VIN = 10V l ±1 µA VSHDN = 10V, VIN = 10V l 3 9.5 µA Quiescent Current in Shutdown VIN = 6V, VSHDN= 0V 3 9 µA Ripple Rejection (Note 6) LT3021 VIN – VOUT = 1V, VRIP = 0.5VP-P , fRIPPLE = 120Hz, 70 dB ILOAD = 500mA LT3021-1.2 VIN – VOUT = 1V, VRIPPLE = 0.5VP-P , fRIPPLE = 120Hz, 60 dB ILOAD = 500mA LT3021-1.5 VIN – VOUT = 1V, VRIPPLE = 0.5VP-P , fRIPPLE = 120Hz, 58 dB ILOAD = 500mA LT3021-1.8 VIN – VOUT = 1V, VRIPPLE = 0.5VP-P , fRIPPLE = 120Hz, 56 dB ILOAD = 500mA Current Limit (Note 12) VIN = 10V, VOUT = 0V 1.8 A VIN = VOUT(NOMINAL) + 0.5V, ΔVOUT = –5% l 550 mA Input Reverse Leakage Current VIN = –10V, VOUT = 0V 1 20 µA Reverse Output Current LT3021 VOUT = 1.2V, VIN = 0V 0.5 5 µA (Notes 11, 13) LT3021-1.2 VOUT = 1.2V, VIN = 0V 10 15 µA LT3021-1.5 VOUT = 1.5V, VIN = 0V 10 15 µA LT3021-1.8 VOUT = 1.8V, VIN = 0V 10 15 µA Rev.D 4 For more information www.analog.com Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Applications Information Package Description
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TJ = 25°C. SYMBOL CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage ILOAD = 500mA, TJ > 0°C 0.9 1.05 V (Notes 5,14) ILOAD = 500mA, TJ < 0°C 0.9 1.10 V ADJ Pin Voltage (Notes 4, 5) VIN = 1.5V, ILOAD = 1mA 196 200 204 mV 1.15V < VIN < 10V, 1mA < ILOAD < 500mA l 193 200 206 mV Regulated Output Voltage LT3021-1.2 VIN = 1.5V, ILOAD = 1mA 1.176 1.200 1.224 V (Note 4) 1.5V < VIN < 10V, 1mA < ILOAD < 500mA l 1.157 1.200 1.236 V LT3021-1.5 VIN = 1.8V, ILOAD = 1mA 1.470 1.500 1.530 V 1.8V < VIN < 10V, 1mA < ILOAD < 500mA l 1.447 1.500 1.545 V LT3021-1.8 VIN = 2.1V, ILOAD = 1mA 1.764 1.800 1.836 V 2.1V < VIN < 10V, 1mA < ILOAD < 500mA l 1.737 1.800 1.854 V Line Regulation (Note 6) LT3021 ΔVIN = 1.15V to 10V, ILOAD = 1mA l –1.75 0 +1.75 mV LT3021-1.2 ΔVIN = 1.5V to 10V, ILOAD = 1mA l –10.5 0 10.5 mV LT3021-1.5 ΔVIN = 1.8V to 10V, ILOAD = 1mA l –13 0 13 mV LT3021-1.8 ΔVIN = 2.1V to 10V, ILOAD = 1mA l –15.8 0 15.8 mV Load Regulation (Note 6) LT3021 VIN = 1.15V, ΔILOAD = 1mA to 500mA –2 0.4 2 mV LT3021-1.2 VIN = 1.5V, ΔILOAD = 1mA to 500mA –6 1 6 mV LT3021-1.5 VIN = 1.8V, ΔILOAD = 1mA to 500mA –7.5 1.5 7.5 mV LT3021-1.8 VIN = 2.1V, ΔILOAD = 1mA to 500mA –9 2 9 mV Dropout Voltage (Notes 7, 12) ILOAD = 10mA 45 75 mV ILOAD = 10mA l 110 mV ILOAD = 500mA 155 190 mV ILOAD = 500mA l 285 mV GND Pin Current ILOAD = 0mA l 110 250 µA VIN = VOUT(NOMINAL) + 0.4V ILOAD = 10mA 920 µA (Notes 8, 12) ILOAD = 100mA 2.25 mA ILOAD = 500mA l 6.20 10 mA Output Voltage Noise COUT = 4.7µF, ILOAD = 500mA, BW = 10Hz to 100kHz, VOUT = 1.2V 300 µVRMS ADJ Pin Bias Current VADJ = 0.2V, VIN = 1.2V (Notes 6, 9) 20 50 nA Shutdown Threshold VOUT = Off to On l 0.61 0.9 V VOUT = On to Off l 0.25 0.61 V SHDN Pin Current (Note 10) VSHDN = 0V, VIN = 10V l ±1 µA VSHDN = 10V, VIN = 10V l 3 9.5 µA Quiescent Current in Shutdown VIN = 6V, VSHDN= 0V 3 9 µA Ripple Rejection (Note 6) LT3021 VIN – VOUT = 1V, VRIP = 0.5VP-P , fRIPPLE = 120Hz, 70 dB ILOAD = 500mA LT3021-1.2 VIN – VOUT = 1V, VRIPPLE = 0.5VP-P , fRIPPLE = 120Hz, 60 dB ILOAD = 500mA LT3021-1.5 VIN – VOUT = 1V, VRIPPLE = 0.5VP-P , fRIPPLE = 120Hz, 58 dB ILOAD = 500mA LT3021-1.8 VIN – VOUT = 1V, VRIPPLE = 0.5VP-P , fRIPPLE = 120Hz, 56 dB ILOAD = 500mA Current Limit (Note 12) VIN = 10V, VOUT = 0V 1.8 A VIN = VOUT(NOMINAL) + 0.5V, ΔVOUT = –5% l 550 mA Input Reverse Leakage Current VIN = –10V, VOUT = 0V 1 20 µA Reverse Output Current LT3021 VOUT = 1.2V, VIN = 0V 0.5 5 µA (Notes 11, 13) LT3021-1.2 VOUT = 1.2V, VIN = 0V 10 15 µA LT3021-1.5 VOUT = 1.5V, VIN = 0V 10 15 µA LT3021-1.8 VOUT = 1.8V, VIN = 0V 10 15 µA Rev.D 4 For more information www.analog.com Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Applications Information Package Description