Datasheet LT8607, LT8607B (Analog Devices) - 6

FabricanteAnalog Devices
Descripción42V, 750mA Synchronous Step-Down Regulator with 2.5µA Quiescent Current
Páginas / Página24 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. …
RevisiónD
Formato / tamaño de archivoPDF / 3.0 Mb
Idioma del documentoInglés

TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. No-Load Supply Current. No Load Supply Current vs

TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted No-Load Supply Current No Load Supply Current vs

Línea de modelo para esta hoja de datos

Versión de texto del documento

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