Datasheet LT3094 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | −20V, 500mA, Ultralow Noise, Ultrahigh PSRR Negative Linear Regulator |
| 页数 / 页 | 34 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 2.8 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Negative EN/UV Turn-On. Minimum Input Voltage
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LT3094
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Negative EN/UV Turn-On Minimum Input Voltage Threshold Positive EN/UV Turn-On Threshold
–2.50 –1.36 1.36 –2.25 –1.34 1.34 –2.00 –1.32 1.32 –1.75 –1.30 1.30 –1.50 –1.28 1.28 –1.25 –1.26 1.26 –1.00 –1.24 1.24 –0.75 –1.22 1.22 INPUT UVLO THRESHOLD (V) –0.50 –1.20 1.20 TIVE EN/UV TURN-ON THRESHOLD (V) RISING UVLO –0.25 V –1.18 IN = –2.3V V 1.18 IN = –2.3V FALLING UVLO V NEGA IN = –20V POSITIVE EN/UV TURN-ON THRESHOLD (V) VIN = –20V 0 –1.16 1.16 –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) 3094 G19 3094 G20 3094 G21
EN/UV Pin Hysteresis EN/UV Pin Current Internal Current Limit
300 20 1000 VIN = –2.3V VIN = –5V (VEN/UV ≥ 0V) R 16 ILIM = 0Ω V 900 V 250 IN = –20V (VEN/UV < 0V) OUT = 0V 12 800 8 700 200 4 600 150 0 500 –4 400 100 –8 300 CURRENT LIMIT (mA) EN/UV PIN CURRENT (µA) EN/UV PIN HYSTERESIS (mV) –55°C –12 200 50 25°C POSITIVE HYSTERESIS –16 125°C VIN = –2.3V 100 NEGATIVE HYSTERESIS 150°C VIN = –8V 0 –20 0 –75 –50 –25 0 25 50 75 100 125 150 –20 –16 –12 –8 –4 0 4 8 12 16 20 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) EN/UV PIN VOLTAGE (V) TEMPERATURE (°C) 3094 G22 3094 G23 3094 G24
Internal Current Limit Internal Current Limit Programmable Current Limit
200 1000 1000 VIN = –20V RILIM = 0Ω R 180 ILIM = 7.5k R 900 900 ILIM = 0Ω VOUT = 0V V 160 OUT = 0V 800 800 140 700 700 120 600 600 100 500 500 80 400 400 60 CURRENT LIMIT (mA) 300 CURRENT LIMIT (mA) 300 CURRENT LIMIT (mA) 40 –55°C 200 25°C 200 20 100 125°C VIN = –2.3V 100 150°C VIN = –8V 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 0 –2 –4 –6 –8 –10 –12 –14 –16 –18 –20 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) INPUT-TO-OUTPUT DIFFERENTIAL (V) TEMPERATURE (°C) 3094 G25 3094 G26 3094 G27 Rev. B For more information www.analog.com 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
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Negative EN/UV Turn-On Minimum Input Voltage Threshold Positive EN/UV Turn-On Threshold
–2.50 –1.36 1.36 –2.25 –1.34 1.34 –2.00 –1.32 1.32 –1.75 –1.30 1.30 –1.50 –1.28 1.28 –1.25 –1.26 1.26 –1.00 –1.24 1.24 –0.75 –1.22 1.22 INPUT UVLO THRESHOLD (V) –0.50 –1.20 1.20 TIVE EN/UV TURN-ON THRESHOLD (V) RISING UVLO –0.25 V –1.18 IN = –2.3V V 1.18 IN = –2.3V FALLING UVLO V NEGA IN = –20V POSITIVE EN/UV TURN-ON THRESHOLD (V) VIN = –20V 0 –1.16 1.16 –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) 3094 G19 3094 G20 3094 G21
EN/UV Pin Hysteresis EN/UV Pin Current Internal Current Limit
300 20 1000 VIN = –2.3V VIN = –5V (VEN/UV ≥ 0V) R 16 ILIM = 0Ω V 900 V 250 IN = –20V (VEN/UV < 0V) OUT = 0V 12 800 8 700 200 4 600 150 0 500 –4 400 100 –8 300 CURRENT LIMIT (mA) EN/UV PIN CURRENT (µA) EN/UV PIN HYSTERESIS (mV) –55°C –12 200 50 25°C POSITIVE HYSTERESIS –16 125°C VIN = –2.3V 100 NEGATIVE HYSTERESIS 150°C VIN = –8V 0 –20 0 –75 –50 –25 0 25 50 75 100 125 150 –20 –16 –12 –8 –4 0 4 8 12 16 20 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) EN/UV PIN VOLTAGE (V) TEMPERATURE (°C) 3094 G22 3094 G23 3094 G24
Internal Current Limit Internal Current Limit Programmable Current Limit
200 1000 1000 VIN = –20V RILIM = 0Ω R 180 ILIM = 7.5k R 900 900 ILIM = 0Ω VOUT = 0V V 160 OUT = 0V 800 800 140 700 700 120 600 600 100 500 500 80 400 400 60 CURRENT LIMIT (mA) 300 CURRENT LIMIT (mA) 300 CURRENT LIMIT (mA) 40 –55°C 200 25°C 200 20 100 125°C VIN = –2.3V 100 150°C VIN = –8V 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 0 –2 –4 –6 –8 –10 –12 –14 –16 –18 –20 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) INPUT-TO-OUTPUT DIFFERENTIAL (V) TEMPERATURE (°C) 3094 G25 3094 G26 3094 G27 Rev. B For more information www.analog.com 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