Datasheet LT3021, LT3021-1.2, LT3021-1.5, LT3021-1.8 (Analog Devices) - 4

FabricanteAnalog Devices
Descripción500mA, Low Voltage, Very Low Dropout Linear Regulator
Páginas / Página18 / 4 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply …
Formato / tamaño de archivoPDF / 326 Kb
Idioma del documentoInglés

ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating

ELECTRICAL CHARACTERISTICS The denotes the specifications which apply over the full operating

Línea de modelo para esta hoja de datos

Versión de texto del documento

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