Datasheet LT3080 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | Adjustable 1.1A Single Resistor Low Dropout Regulator |
| 页数 / 页 | 28 / 7 — Typical perForMance characTerisTics. Residual Output Voltage with. … |
| 文件格式/大小 | PDF / 385 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. Residual Output Voltage with. CONTROL Pin Current. Less Than Minimum Load
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LT3080
Typical perForMance characTerisTics Residual Output Voltage with V V CONTROL Pin Current CONTROL Pin Current Less Than Minimum Load
25 30 0.8 VCONTROL – VOUT = 2V SET PIN = 0V VIN – VOUT = 1V 0.7 V 25 IN VOUT 20 ILOAD = 1.1A RTEST 0.6 DEVICE IN CURRENT LIMIT 20 0.5 15 TJ = –50°C TAGE (V) VIN = 10V 15 0.4 VIN = 20V 10 0.3 10 TJ = 25°C V OUTPUT VOL IN = 5V 0.2 CONTROL PIN CURRENT (mA) 5 CONTROL PIN CURRENT (mA) T 5 J = 125°C I 0.1 LOAD = 1mA 0 0 0 0 6 12 18 24 30 36* 0 0.2 0.4 0.6 0.8 1.0 1.2 0 1k 2k INPUT-TO-OUTPUT DIFFERENTIAL (V) LOAD CURRENT (A) RTEST (Ω) *SEE NOTE 9 IN ELECTRICAL 3080 G19 3080 G20 3080 G21 CHARACTERISTICS TABLE
Ripple Rejection, Dual Supply, Ripple Rejection, Dual Supply, Ripple Rejection, Single Supply VCONTROL Pin IN Pin
100 100 100 90 90 90 80 80 80 I I 70 LOAD = 100mA 70 LOAD = 100mA 70 ILOAD = 1.1A ILOAD = 1.1A 60 60 60 50 50 50 40 40 40 30 30 30 VIN = VOUT (NOMINAL) + 1V RIPPLE REJECTION (dB) RIPPLE REJECTION (dB) V RIPPLE REJECTION (dB) VCONTROL = VOUT (NOMINAL) +2V 20 IN = VOUT (NOMINAL) + 1V V 20 20 IN = VCONTROL = VOUT (NOMINAL) + 2V VCONTROL = VOUT (NOMINAL) +2V RIPPLE = 50mVP-P 10 RIPPLE = 50mVP-P 10 COUT = 2.2µF CERAMIC 10 COUT = 2.2µF CERAMIC COUT = 2.2µF CERAMIC RIPPLE = 50mVP-P ILOAD = 1.1A 0 0 0 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 3080 G22 3080 G23 3080 G24
Ripple Rejection (120Hz) Noise Spectral Density
80 10k 1k 79 SPECTRAL DENSITY (pA/ √ 78 ) REFERENCE CURRENT NOISE Hz 1k 100 77 76 75 100 10 74 73 SINGLE SUPPLY OPERATION RIPPLE REJECTION (dB) V ERROR AMPLIFIER NOISE 10 1.0 Hz 72 IN = VOUT(NOMINAL) + 2V ) RIPPLE = 500mV SPECTRAL DENSITY (nV/√ P-P, f = 120Hz 71 ILOAD = 1.1A CSET = 0.1µF, COUT = 2.2µF 70 1 0.1 –50 –25 0 25 50 75 100 125 150 10 100 1k 10k 100k TEMPERATURE (°C) FREQUENCY (Hz) 3080 G25 3080 G26 3080fc 7 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 Typical Applications Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics Residual Output Voltage with V V CONTROL Pin Current CONTROL Pin Current Less Than Minimum Load
25 30 0.8 VCONTROL – VOUT = 2V SET PIN = 0V VIN – VOUT = 1V 0.7 V 25 IN VOUT 20 ILOAD = 1.1A RTEST 0.6 DEVICE IN CURRENT LIMIT 20 0.5 15 TJ = –50°C TAGE (V) VIN = 10V 15 0.4 VIN = 20V 10 0.3 10 TJ = 25°C V OUTPUT VOL IN = 5V 0.2 CONTROL PIN CURRENT (mA) 5 CONTROL PIN CURRENT (mA) T 5 J = 125°C I 0.1 LOAD = 1mA 0 0 0 0 6 12 18 24 30 36* 0 0.2 0.4 0.6 0.8 1.0 1.2 0 1k 2k INPUT-TO-OUTPUT DIFFERENTIAL (V) LOAD CURRENT (A) RTEST (Ω) *SEE NOTE 9 IN ELECTRICAL 3080 G19 3080 G20 3080 G21 CHARACTERISTICS TABLE
Ripple Rejection, Dual Supply, Ripple Rejection, Dual Supply, Ripple Rejection, Single Supply VCONTROL Pin IN Pin
100 100 100 90 90 90 80 80 80 I I 70 LOAD = 100mA 70 LOAD = 100mA 70 ILOAD = 1.1A ILOAD = 1.1A 60 60 60 50 50 50 40 40 40 30 30 30 VIN = VOUT (NOMINAL) + 1V RIPPLE REJECTION (dB) RIPPLE REJECTION (dB) V RIPPLE REJECTION (dB) VCONTROL = VOUT (NOMINAL) +2V 20 IN = VOUT (NOMINAL) + 1V V 20 20 IN = VCONTROL = VOUT (NOMINAL) + 2V VCONTROL = VOUT (NOMINAL) +2V RIPPLE = 50mVP-P 10 RIPPLE = 50mVP-P 10 COUT = 2.2µF CERAMIC 10 COUT = 2.2µF CERAMIC COUT = 2.2µF CERAMIC RIPPLE = 50mVP-P ILOAD = 1.1A 0 0 0 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 3080 G22 3080 G23 3080 G24
Ripple Rejection (120Hz) Noise Spectral Density
80 10k 1k 79 SPECTRAL DENSITY (pA/ √ 78 ) REFERENCE CURRENT NOISE Hz 1k 100 77 76 75 100 10 74 73 SINGLE SUPPLY OPERATION RIPPLE REJECTION (dB) V ERROR AMPLIFIER NOISE 10 1.0 Hz 72 IN = VOUT(NOMINAL) + 2V ) RIPPLE = 500mV SPECTRAL DENSITY (nV/√ P-P, f = 120Hz 71 ILOAD = 1.1A CSET = 0.1µF, COUT = 2.2µF 70 1 0.1 –50 –25 0 25 50 75 100 125 150 10 100 1k 10k 100k TEMPERATURE (°C) FREQUENCY (Hz) 3080 G25 3080 G26 3080fc 7 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 Typical Applications Package Description Revision History Typical Application Related Parts