Datasheet LT3048 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Low Noise Bias Generator in 2mm × 2mm DFN |
| Pages / Page | 16 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. LT3048-3.3 LDOOUT. LT3048-5 LDOOUT … |
| Revision | B |
| File Format / Size | PDF / 1.6 Mb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. LT3048-3.3 LDOOUT. LT3048-5 LDOOUT Noise. LT3048-3.3 Efficiency. Load Regulation
Model Line for this Datasheet
- LT3048EDC#TRMPBF LT3048EDC#TRPBF LT3048EDC-12#TRMPBF LT3048EDC-12#TRPBF LT3048EDC-15#TRMPBF LT3048EDC-15#TRPBF LT3048EDC-3.3#TRMPBF LT3048EDC-3.3#TRPBF LT3048EDC-5#TRMPBF LT3048EDC-5#TRPBF LT3048IDC#TRMPBF LT3048IDC#TRPBF LT3048IDC-12#TRMPBF LT3048IDC-12#TRPBF LT3048IDC-15#TRMPBF LT3048IDC-15#TRPBF LT3048IDC-3.3#TRMPBF LT3048IDC-3.3#TRPBF LT3048IDC-5#TRMPBF LT3048IDC-5#TRPBF
Text Version of Document
LT3048 Series
TYPICAL PERFORMANCE CHARACTERISTICS LT3048-3.3 LDOOUT LT3048-5 LDOOUT Noise LT3048-3.3 Efficiency Load Regulation
10000 60 3.38 ) 3.36 Hz /√ 1000 50 3.34 Y (nV 40 100 3.32 TAGE (V) 30 3.30 V 10 IN = 3.6V VOUT = 5V EFFICIENCY (%) VOUT = 3.3V 3.28 L = 4.7μH 20 L = 3.3µH LDOOUT VOL CBSTOUT = 2.2μF DCR = 285mΩ 3.26 1 CLDOOUT = 1μF 10 VIN = 2.7V NOISE SPECTRAL DENSIT CBYP = 1nF VIN = 3.3V 3.24 ILOAD = 40mA VIN = 3.6V 0.1 0 3.22 10 100 1k 10k 100k 1M 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 FREQUENCY (Hz) LOAD CURRENT (mA) LOAD CURRENT (mA) 3048 G19 3048 G21 3048 G20
LT3048-3.3 LDOOUT Voltage LT3048-3.3 LDOOUT Noise LDOOUT Current Limit
3.38 10000 90 ) 80 3.36 Hz /√ 1000 70 3.34 Y (nV 60 3.32 100 TAGE (V) 50 3.30 40 VIN = 3.6V 3.28 10 VOUT = 3.3V 30 LDOOUT VOL L = 3.3μH CURRENT LIMIT (mA) 3.26 CBSTOUT = 2.2μF 20 1 CLDOOUT = 1μF 3.24 NOISE SPECTRAL DENSIT CBYP = 1nF 10 ILOAD = 40mA 3.22 0.1 0 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) FREQUENCY (Hz) TEMPERATURE (°C) 3048 G22 3048 G23 3048 G24
Boost Switch Current Limit Boost Switch Current Limit LT3048-XX Switching Frequency
500 500 2.5 450 450 400 400 2.0 350 350 300 300 1.5 250 250 200 200 1.0 150 150 FREQUENCY (MHz) SWITCH CURRENT LIMIT (mA) 100 SWITCH CURRENT LIMIT (mA) 100 0.5 50 50 0 0 0 0 20 40 60 80 100 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 DUTY CYCLE (%) TEMPERATURE (°C) TEMPERATURE (°C) 3048 G25 3048 G26 3048 G27 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 LT3048 LT3048-xx LT3048 Block Diagrams Operation Applications Information Package Description Revision History Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS LT3048-3.3 LDOOUT LT3048-5 LDOOUT Noise LT3048-3.3 Efficiency Load Regulation
10000 60 3.38 ) 3.36 Hz /√ 1000 50 3.34 Y (nV 40 100 3.32 TAGE (V) 30 3.30 V 10 IN = 3.6V VOUT = 5V EFFICIENCY (%) VOUT = 3.3V 3.28 L = 4.7μH 20 L = 3.3µH LDOOUT VOL CBSTOUT = 2.2μF DCR = 285mΩ 3.26 1 CLDOOUT = 1μF 10 VIN = 2.7V NOISE SPECTRAL DENSIT CBYP = 1nF VIN = 3.3V 3.24 ILOAD = 40mA VIN = 3.6V 0.1 0 3.22 10 100 1k 10k 100k 1M 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 FREQUENCY (Hz) LOAD CURRENT (mA) LOAD CURRENT (mA) 3048 G19 3048 G21 3048 G20
LT3048-3.3 LDOOUT Voltage LT3048-3.3 LDOOUT Noise LDOOUT Current Limit
3.38 10000 90 ) 80 3.36 Hz /√ 1000 70 3.34 Y (nV 60 3.32 100 TAGE (V) 50 3.30 40 VIN = 3.6V 3.28 10 VOUT = 3.3V 30 LDOOUT VOL L = 3.3μH CURRENT LIMIT (mA) 3.26 CBSTOUT = 2.2μF 20 1 CLDOOUT = 1μF 3.24 NOISE SPECTRAL DENSIT CBYP = 1nF 10 ILOAD = 40mA 3.22 0.1 0 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) FREQUENCY (Hz) TEMPERATURE (°C) 3048 G22 3048 G23 3048 G24
Boost Switch Current Limit Boost Switch Current Limit LT3048-XX Switching Frequency
500 500 2.5 450 450 400 400 2.0 350 350 300 300 1.5 250 250 200 200 1.0 150 150 FREQUENCY (MHz) SWITCH CURRENT LIMIT (mA) 100 SWITCH CURRENT LIMIT (mA) 100 0.5 50 50 0 0 0 0 20 40 60 80 100 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 DUTY CYCLE (%) TEMPERATURE (°C) TEMPERATURE (°C) 3048 G25 3048 G26 3048 G27 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 LT3048 LT3048-xx LT3048 Block Diagrams Operation Applications Information Package Description Revision History Related Parts
