Datasheet LT3070-1 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | 5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator |
| Seiten / Seite | 28 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. IN Pin Ripple Rejection. Minimum … |
| Dateiformat / Größe | PDF / 978 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. IN Pin Ripple Rejection. Minimum BIAS Voltage. vs VIN – VOUT, 1V/1A. vs Temperature
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LT3070-1
TYPICAL PERFORMANCE CHARACTERISTICS IN Pin Ripple Rejection Minimum BIAS Voltage vs VIN – VOUT, 1V/1A vs Temperature Minimum BIAS Voltage vs IOUT
120 4.0 3.6 50mV I V P-P RIPPLE ON VIN OUT = 5A VOUT = 1.8V IN = VOUT(NOMINAL) + 300mV 110 3.8 C VOUT = 1.2V OUT = 117μF 3.4 ΔVOUT = –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 2.2 2.2 10 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) 30701 G37 30701 G38 30701 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) ΔIOUT = 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) 30701 G40 30701 G41 30701 G42
Bias Voltage Line Regulation Input Voltage Line Regulation Input Voltage Line Regulation
400 300 300 VBIAS = 3.25V TO 3.6V VBIAS = 3.3V VBIAS = 3.3V V) 300 VIN = 2.1V VIN = 1.05V TO 2.7V VIN = 2.05V TO 2.7V V 250 OUT = 1.8V V 250 OUT = 0.8V VOUT = 1.8V 200 IOUT = 10mA IOUT = 10mA IOUT = 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) 30701 G43 30701 G44 30701 G45 Rev 0 10 For more information www.analog.com 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 Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS IN Pin Ripple Rejection Minimum BIAS Voltage vs VIN – VOUT, 1V/1A vs Temperature Minimum BIAS Voltage vs IOUT
120 4.0 3.6 50mV I V P-P RIPPLE ON VIN OUT = 5A VOUT = 1.8V IN = VOUT(NOMINAL) + 300mV 110 3.8 C VOUT = 1.2V OUT = 117μF 3.4 ΔVOUT = –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 2.2 2.2 10 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) 30701 G37 30701 G38 30701 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) ΔIOUT = 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) 30701 G40 30701 G41 30701 G42
Bias Voltage Line Regulation Input Voltage Line Regulation Input Voltage Line Regulation
400 300 300 VBIAS = 3.25V TO 3.6V VBIAS = 3.3V VBIAS = 3.3V V) 300 VIN = 2.1V VIN = 1.05V TO 2.7V VIN = 2.05V TO 2.7V V 250 OUT = 1.8V V 250 OUT = 0.8V VOUT = 1.8V 200 IOUT = 10mA IOUT = 10mA IOUT = 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) 30701 G43 30701 G44 30701 G45 Rev 0 10 For more information www.analog.com 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 Typical Application Related Parts