Datasheet LT3070 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | 5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator |
| 页数 / 页 | 30 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. IN Pin Ripple Rejection. Minimum … |
| 文件格式/大小 | PDF / 853 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. IN Pin Ripple Rejection. Minimum BIAS Voltage. vs V. vs Temperature
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LT3070
TYPICAL PERFORMANCE CHARACTERISTICS IN Pin Ripple Rejection Minimum BIAS Voltage vs V vs Temperature Minimum BIAS Voltage vs IOUT IN – VOUT , 1V/1A
120 4.0 3.6 50mV I V OUT = 5A VOUT = 1.8V IN = VOUT(NOMINAL) + 300mV 110 P-P RIPPLE ON VIN 3.8 V C OUT = 1.2V OUT = 117μF 3.4 ∆VOUT = –1%, TJ = 25°C 100 V V VBIAS = 2.5V 3.6 OUT = 0.8V OUT = 1.8V 90 TA = 25°C 3.2 VOUT = 1.5V 3.4 VOUT = 1.2V 80 RIPPLE AT f = 10kHz TAGE (V) VOUT = 0.8V TO 1V 3.2 3.0 70 60 3.0 2.8 RIPPLE AT f = 1MHz PSRR (dB) 50 2.8 2.6 40 RIPPLE AT f = 100kHz 2.6 30 2.4 MINIMUM BIAS VOLTAGE (V) 2.4 MINIMUM BIAS VOL 20 10 2.2 2.2 0 2.0 2.0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 –75 –50 –25 0 25 50 75 100 125 150 175 0 1 2 3 4 5 AVERAGE INPUT/OUTPUT DIFFERENTIAL (V) TEMPERATURE (°C) OUTPUT CURRENT (A) 3070 G37 3070 G38 3070 G39
Minimum BIAS Voltage vs VOUT Load Regulation Bias Voltage Line Regulation
3.4 0 800 IOUT = 5A VBIAS = 2.2V TO 3.6V 3.2 TJ = 25°C V) 700 VIN = 1.1V VOUT = 0.8V –2 3.0 I TION (µ 600 OUT = 10mA TAGE (V) 2.8 500 –4 2.6 400 2.4 –6 VIN = VOUT(NOMINAL) + 300mV 300 VBIAS = 3.3V TAGE LINE REGULA 2.2 LOAD REGULATION (mV) ∆IOUT = 100mA TO 5A 200 MINIMUM BIAS VOL –8 VOUT = 0.8V 2.0 VOUT = 1.2V BIAS VOL 100 VOUT = 1.8V 1.8 –10 0 0.7 0.9 1.1 1.3 1.5 1.7 1.9 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 OUTPUT VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3070 G40 3070 G41 3070 G42
Bias Voltage Line Regulation Input Voltage Line Regulation Input Voltage Line Regulation
400 300 300 VBIAS = 3.25V TO 3.6V V V BIAS = 3.3V BIAS = 3.3V V) 300 VIN = 2.1V V V IN = 1.05V TO 2.7V IN = 2.05V TO 2.7V V 250 OUT = 1.8V V 250 V OUT = 0.8V OUT = 1.8V IOUT = 10mA I I 200 OUT = 10mA OUT = 10mA TION (µ 200 200 100 0 150 150 –100 100 100 TAGE LINE REGULA –200 50 50 BIAS VOL –300 INPUT VOLTAGE LINE REGULATION (µV) INPUT VOLTAGE LINE REGULATION (µV) –400 0 0 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3070 G43 3070 G44 3070 G45 3070fc 10 For more information www.linear.com/LT3070 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS IN Pin Ripple Rejection Minimum BIAS Voltage vs V vs Temperature Minimum BIAS Voltage vs IOUT IN – VOUT , 1V/1A
120 4.0 3.6 50mV I V OUT = 5A VOUT = 1.8V IN = VOUT(NOMINAL) + 300mV 110 P-P RIPPLE ON VIN 3.8 V C OUT = 1.2V OUT = 117μF 3.4 ∆VOUT = –1%, TJ = 25°C 100 V V VBIAS = 2.5V 3.6 OUT = 0.8V OUT = 1.8V 90 TA = 25°C 3.2 VOUT = 1.5V 3.4 VOUT = 1.2V 80 RIPPLE AT f = 10kHz TAGE (V) VOUT = 0.8V TO 1V 3.2 3.0 70 60 3.0 2.8 RIPPLE AT f = 1MHz PSRR (dB) 50 2.8 2.6 40 RIPPLE AT f = 100kHz 2.6 30 2.4 MINIMUM BIAS VOLTAGE (V) 2.4 MINIMUM BIAS VOL 20 10 2.2 2.2 0 2.0 2.0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 –75 –50 –25 0 25 50 75 100 125 150 175 0 1 2 3 4 5 AVERAGE INPUT/OUTPUT DIFFERENTIAL (V) TEMPERATURE (°C) OUTPUT CURRENT (A) 3070 G37 3070 G38 3070 G39
Minimum BIAS Voltage vs VOUT Load Regulation Bias Voltage Line Regulation
3.4 0 800 IOUT = 5A VBIAS = 2.2V TO 3.6V 3.2 TJ = 25°C V) 700 VIN = 1.1V VOUT = 0.8V –2 3.0 I TION (µ 600 OUT = 10mA TAGE (V) 2.8 500 –4 2.6 400 2.4 –6 VIN = VOUT(NOMINAL) + 300mV 300 VBIAS = 3.3V TAGE LINE REGULA 2.2 LOAD REGULATION (mV) ∆IOUT = 100mA TO 5A 200 MINIMUM BIAS VOL –8 VOUT = 0.8V 2.0 VOUT = 1.2V BIAS VOL 100 VOUT = 1.8V 1.8 –10 0 0.7 0.9 1.1 1.3 1.5 1.7 1.9 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 OUTPUT VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3070 G40 3070 G41 3070 G42
Bias Voltage Line Regulation Input Voltage Line Regulation Input Voltage Line Regulation
400 300 300 VBIAS = 3.25V TO 3.6V V V BIAS = 3.3V BIAS = 3.3V V) 300 VIN = 2.1V V V IN = 1.05V TO 2.7V IN = 2.05V TO 2.7V V 250 OUT = 1.8V V 250 V OUT = 0.8V OUT = 1.8V IOUT = 10mA I I 200 OUT = 10mA OUT = 10mA TION (µ 200 200 100 0 150 150 –100 100 100 TAGE LINE REGULA –200 50 50 BIAS VOL –300 INPUT VOLTAGE LINE REGULATION (µV) INPUT VOLTAGE LINE REGULATION (µV) –400 0 0 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3070 G43 3070 G44 3070 G45 3070fc 10 For more information www.linear.com/LT3070 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Revision History Typical Application Related Parts