Datasheet LT8607, LT8607B (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 42V, 750mA Synchronous Step-Down Regulator with 2.5µA Quiescent Current |
| Seiten / Seite | 24 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| Revision | D |
| Dateiformat / Größe | PDF / 3.0 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. No-Load Supply Current. No Load Supply Current vs
Modelllinie für dieses Datenblatt
- LT8607BEDC#TRMPBF LT8607BHDC#TRMPBF LT8607BIDC#TRMPBF LT8607EDC#TRMPBF LT8607EDC#TRPBF LT8607EDC#WTRMPBF LT8607EDC#WTRPBF LT8607EMSE#PBF LT8607EMSE#TRPBF LT8607EMSE#WPBF LT8607EMSE-5#PBF LT8607EMSE-5#TRPBF LT8607EMSE-5#WPBF LT8607EMSE-5#WTRPBF LT8607HDC#TRMPBF LT8607HDC#TRPBF LT8607HDC#WTRMPBF LT8607HDC#WTRPBF LT8607HMSE#PBF LT8607HMSE#TRPBF LT8607HMSE#WPBF LT8607HMSE#WTRPBF LT8607IDC#TRMPBF LT8607IDC#TRPBF LT8607IDC#WTRMPBF LT8607IDC#WTRPBF LT8607IMSE#PBF LT8607IMSE#TRPBF LT8607IMSE#WPBF LT8607IMSE#WTRPBF LT8607JDC#WTRMPBF LT8607JDC#WTRPBF LT8607JMSE#WPBF LT8607JMSE#WTRPBF LT8607JMSE-5#PBF LT8607JMSE-5#TRPBF LT8607JMSE-5#WPBF LT8607JMSE-5#WTRPBF
Textversion des Dokuments
LT8607/LT8607B
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. No-Load Supply Current No Load Supply Current vs Top MOSFET Current Limit (5V Output Switching) (5V Output Switching) Temperature (Not Switching) vs Duty Cycle
2.20 3.3 1.70 SYNC = 0V SYNC = 0V OR LT8607 DFN LT8607-5 3.1 2.10 L = 4.7µH 2.9 1.60 2.7 2.00 2.5 1.50 (µA) 2.3 I IN 1.90 2.1 1.40 1.9 INPUT CURRENT (µA) TOP FET CURRENT LIMIT (A) 1.80 1.7 1.30 1.5 1.70 1.3 1.20 2 10 18 26 34 42 –50 –10 30 70 110 150 0 20 40 60 80 100 INPUT VOLTAGE (V) TEMPERATURE (°C) DUTY CYCLE (%) 8607 G10 8607 G11 8607 G12
Top MOSFET Current Limit vs Temperature Switch Drop vs Temperature Switch Drop vs Switch Current
1.70 450 300 DUTY CYCLE = 0 SWITCH CURRENT = 750mA TOP SW 400 BOT SW 250 1.65 350 200 300 1.60 250 150 200 100 SWITCH DROP (mV) SWITCH DROP (mV) 1.55 150 TOP FET CURRENT LIMIT (A) 50 100 TOP SW BOT SW 1.50 50 0 –50 –10 30 70 110 150 –50 –30 –10 10 30 50 70 90 110 130 150 0 125 250 375 500 625 750 TEMPERATURE (°C) TEMPERATURE (°C) SWITCH CURRENT (mA) 8607 G13 8607 G14 8607 G15
Minimum On-Time Minimum Off-Time vs Temperature vs Temperature Dropout Voltage vs Output Current
38 110 350 IOUT = 750mA L: XFL4020-472ME 37 105 300 250 36 100 TAGE (mV) 200 35 95 150 34 90 MINIMUM ON-TIME (ns) 100 MINIMUM OFF-TIME (ns) DROPOUT VOL 33 85 50 IOUT = 350mA 32 80 0 –50 –30 –10 10 30 50 70 90 110 130 150 –50 –30 –10 10 30 50 70 90 110 130 150 0 125 250 375 500 625 750 TEMPERATURE (°C) TEMPERATURE (°C) OUTPUT CURRENT (A) 8607 G16 8607 G17 8607 G18 Rev. D 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. No-Load Supply Current No Load Supply Current vs Top MOSFET Current Limit (5V Output Switching) (5V Output Switching) Temperature (Not Switching) vs Duty Cycle
2.20 3.3 1.70 SYNC = 0V SYNC = 0V OR LT8607 DFN LT8607-5 3.1 2.10 L = 4.7µH 2.9 1.60 2.7 2.00 2.5 1.50 (µA) 2.3 I IN 1.90 2.1 1.40 1.9 INPUT CURRENT (µA) TOP FET CURRENT LIMIT (A) 1.80 1.7 1.30 1.5 1.70 1.3 1.20 2 10 18 26 34 42 –50 –10 30 70 110 150 0 20 40 60 80 100 INPUT VOLTAGE (V) TEMPERATURE (°C) DUTY CYCLE (%) 8607 G10 8607 G11 8607 G12
Top MOSFET Current Limit vs Temperature Switch Drop vs Temperature Switch Drop vs Switch Current
1.70 450 300 DUTY CYCLE = 0 SWITCH CURRENT = 750mA TOP SW 400 BOT SW 250 1.65 350 200 300 1.60 250 150 200 100 SWITCH DROP (mV) SWITCH DROP (mV) 1.55 150 TOP FET CURRENT LIMIT (A) 50 100 TOP SW BOT SW 1.50 50 0 –50 –10 30 70 110 150 –50 –30 –10 10 30 50 70 90 110 130 150 0 125 250 375 500 625 750 TEMPERATURE (°C) TEMPERATURE (°C) SWITCH CURRENT (mA) 8607 G13 8607 G14 8607 G15
Minimum On-Time Minimum Off-Time vs Temperature vs Temperature Dropout Voltage vs Output Current
38 110 350 IOUT = 750mA L: XFL4020-472ME 37 105 300 250 36 100 TAGE (mV) 200 35 95 150 34 90 MINIMUM ON-TIME (ns) 100 MINIMUM OFF-TIME (ns) DROPOUT VOL 33 85 50 IOUT = 350mA 32 80 0 –50 –30 –10 10 30 50 70 90 110 130 150 –50 –30 –10 10 30 50 70 90 110 130 150 0 125 250 375 500 625 750 TEMPERATURE (°C) TEMPERATURE (°C) OUTPUT CURRENT (A) 8607 G16 8607 G17 8607 G18 Rev. D 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts