Datasheet LT3045 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 20V, 500mA, Ultralow Noise, Ultrahigh PSRR Linear Regulator |
| 页数 / 页 | 32 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 2.9 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. GND Pin Current. Minimum Input Voltage
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LT3045
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. GND Pin Current GND Pin Current GND Pin Current
20 22 18 VIN = 5V V RSET = 33.2k 18 R IN = 4.3V 20 SET = 33.2k RSET = 33.2k 16 16 18 14 16 14 I RL = 6.6Ω L = 500mA 14 12 12 12 10 10 I 10 R 8 L = 11Ω L = 300mA 8 8 6 6 GND PIN CURRENT (mA) I 6 R L = 100mA GND PIN CURRENT (mA) 150°C GND PIN CURRENT (mA) L = 33Ω 4 4 125°C 4 RL = 330Ω 2 25°C 2 I 2 R L = 1mA –55°C L = 3.3kΩ 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 0 50 100 150 200 250 300 350 400 450 500 0 1 2 3 4 5 6 7 8 9 10 TEMPERATURE (°C) OUTPUT CURRENT (mA) INPUT VOLTAGE (V) 3045 G16 3045 G17 3045 G18
Minimum Input Voltage EN/UV Turn-On Threshold EN/UV Pin Hysteresis
2.00 1.32 200 1.75 185 1.30 170 1.50 1.28 155 1.25 140 V 1.26 IN = 10V 1.00 125 1.24 0.75 VIN = 2V 110 VIN = 2V 1.22 95 0.50 TURN-ON THRESHOLD (V) V INPUT UVLO THRESHOLD (V) IN = 10V EN/UV PIN HYSTERESIS (mV) 80 0.25 RISING UVLO 1.20 65 FALLING UVLO 0 1.18 50 –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) 3045 G19 3045 G20 3045 G21
EN/UV Pin Current EN/UV Pin Current Negative Enable Pin Current
5.5 10 0 VIN = 20V 5.0 V 9 IN = 2V V –10 IN = 2V 4.5 8 –20 4.0 7 –30 3.5 6 –40 3.0 5 V –50 2.5 IN = 20V 4 –60 2.0 3 –70 1.5 EN/UV PIN CURRENT (µA) 150°C EN/UV PIN CURRENT (µA) EN/UV PIN CURRENT (µA) 150°C 1.0 125°C 2 –80 125°C 25°C 25°C 0.5 1 –90 –55°C –55°C 0 0 –100 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 –20 –18 –16 –14 –12 –10 –8 –6 –4 –2 0 ENABLE PIN VOLTAGE (V) ENABLE PIN VOLTAGE (V) ENABLE PIN VOLTAGE (V) 3045 G22 3045 G23 3045 G24 Rev. B For more information www.analog.com 7 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
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. GND Pin Current GND Pin Current GND Pin Current
20 22 18 VIN = 5V V RSET = 33.2k 18 R IN = 4.3V 20 SET = 33.2k RSET = 33.2k 16 16 18 14 16 14 I RL = 6.6Ω L = 500mA 14 12 12 12 10 10 I 10 R 8 L = 11Ω L = 300mA 8 8 6 6 GND PIN CURRENT (mA) I 6 R L = 100mA GND PIN CURRENT (mA) 150°C GND PIN CURRENT (mA) L = 33Ω 4 4 125°C 4 RL = 330Ω 2 25°C 2 I 2 R L = 1mA –55°C L = 3.3kΩ 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 0 50 100 150 200 250 300 350 400 450 500 0 1 2 3 4 5 6 7 8 9 10 TEMPERATURE (°C) OUTPUT CURRENT (mA) INPUT VOLTAGE (V) 3045 G16 3045 G17 3045 G18
Minimum Input Voltage EN/UV Turn-On Threshold EN/UV Pin Hysteresis
2.00 1.32 200 1.75 185 1.30 170 1.50 1.28 155 1.25 140 V 1.26 IN = 10V 1.00 125 1.24 0.75 VIN = 2V 110 VIN = 2V 1.22 95 0.50 TURN-ON THRESHOLD (V) V INPUT UVLO THRESHOLD (V) IN = 10V EN/UV PIN HYSTERESIS (mV) 80 0.25 RISING UVLO 1.20 65 FALLING UVLO 0 1.18 50 –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) 3045 G19 3045 G20 3045 G21
EN/UV Pin Current EN/UV Pin Current Negative Enable Pin Current
5.5 10 0 VIN = 20V 5.0 V 9 IN = 2V V –10 IN = 2V 4.5 8 –20 4.0 7 –30 3.5 6 –40 3.0 5 V –50 2.5 IN = 20V 4 –60 2.0 3 –70 1.5 EN/UV PIN CURRENT (µA) 150°C EN/UV PIN CURRENT (µA) EN/UV PIN CURRENT (µA) 150°C 1.0 125°C 2 –80 125°C 25°C 25°C 0.5 1 –90 –55°C –55°C 0 0 –100 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 –20 –18 –16 –14 –12 –10 –8 –6 –4 –2 0 ENABLE PIN VOLTAGE (V) ENABLE PIN VOLTAGE (V) ENABLE PIN VOLTAGE (V) 3045 G22 3045 G23 3045 G24 Rev. B For more information www.analog.com 7 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