Datasheet LT3042 (Analog Devices) - 9
| Производитель | Analog Devices |
| Описание | 20V, 200mA, Ultralow Noise, Ultrahigh PSRR RF Linear Regulator |
| Страниц / Страница | 32 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. … |
| Формат / Размер файла | PDF / 1.2 Мб |
| Язык документа | английский |
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. ISET During Start-Up with Fast
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LT3042
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. ISET During Start-Up with Fast PG Output Low Voltage PG Pin Leakage Current Start-Up Enabled
50 100 2.5 VIN = 2V VPG = 2V VIN = 2.5V 45 VPGFB = 290mV 90 VPGFB = 310mV VPGFB = 290mV 40 IPG = 100µA 80 2.0 VSET = 1.3V 35 70 30 60 1.5 (mV) 25 (nA) 50 (mA) V PG I PG 20 40 I SET 1.0 15 30 10 20 0.5 5 10 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3042 G34 3042 G35 3042 G36
ISET During Start-Up with Fast Output Overshoot Recovery Output Overshoot Recovery Start-Up Enabled Current Sink Current Sink
3.5 10 7 V V IN = 5V 155°C VIN = 5V PGFB = 290mV R 3.0 V SET = 33.2kΩ 130°C R SET = 1.3V 6 SET = 33.2kΩ 8 25°C VOUT – VSET > 5mV –55°C 2.5 5 6 2.0 4 (mA) I SET 1.5 4 3 1.0 2 OUTPUT SINK CURRENT (mA) 2 OUTPUT SINK CURRENT (mA) 0.5 1 0 0 0 0 2 4 6 8 10 12 14 16 18 20 0 5 10 15 20 –75 –50 –25 0 25 50 75 100 125 150 VIN-TO-VSET DIFFERENTIAL (V) VOUT – VSET (mV) TEMPERATURE (°C) 3042 G37 3042 G38 3042 G39
VOUT Forced Above VOUT(NOMINAL) Power Supply Ripple Rejection Power Supply Ripple Rejection
14 120 120 VIN = 5V CSET = 4.7µF R 110 110 12 SET = 33.2kΩ 100 100 COUT = 22µF 10 90 90 CSET = 0.47µF 8 80 80 70 70 6 PSRR (dB) 60 PSRR (dB) 60 CURRENT (mA) OUTPUT CURRENT COUT = 4.7µF 4 50 50 V V 40 IN = 5V IN = 5V R 40 R 2 SET = 33.2kΩ SET = 33.2kΩ 30 COUT = 4.7µF 30 CSET = 0.47µF INPUT CURRENT IL = 200mA IL = 200mA 0 20 20 4 5 6 7 8 9 10 11 12 13 14 15 10 100 1k 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M OUTPUT VOLTAGE (V) FREQUENCY (Hz) FREQUENCY (Hz) 3042 G40 3042 G41 3042 G42 3042fb For more information www.linear.com/LT3042 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
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