Datasheet LT3504 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Quad 40V/1A Step-Down Switching Regulator with 100% Duty Cycle Operation |
| 页数 / 页 | 24 / 4 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 498 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Efficiency, f = 1MHz. Load Regulation
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LT3504
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Efficiency, f = 1MHz Efficiency, f = 1MHz Efficiency, f = 1MHz
80 90 90 VOUT = 1.8V VOUT = 2.5V VOUT = 3.3V 70 80 80 60 70 70 60 60 50 50 50 40 40 40 EFFICIENCY (%) 30 EFFICIENCY (%) 30 EFFICIENCY (%) 30 20 VIN = 6V 20 VIN = 6V 20 VIN = 6V VIN = 12V VIN = 12V VIN = 12V 10 VIN = 24V 10 VIN = 24V 10 VIN = 24V VIN = 36V VIN = 36V VIN = 36V 0 0 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 3504 G01 3504 G02 3504 G03
Efficiency, f = 1MHz Load Regulation Efficiency, f = 1MHz
100 0 100 VOUT = 5V VIN = 12V VOUT1,2,3,4 = 5V 90 –0.5 90 80 –1.0 80 70 –1.5 70 60 –2.0 60 50 –2.5 TION EFFICIENCY (%) 50 40 –3.0 40 EFFICIENCY (%) 30 PERCENT ERROR (%) –3.5 30 V VOUT = 1.8V VIN = 6V 20 IN = 6V V –4.0 20 V IN = 12V VOUT = 2.5V IN = 12V V 10 VIN = 24V –4.5 VOUT = 3.3V OVERALL APPLICA 10 IN = 24V V V IN = 36V VOUT = 5V IN = 36V 0 –5.0 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT EACH CHANNEL (A) 3504 G04 3504 G05 3504 G06
Efficiency 5V/3.3V/2.5V/1.8V, f = 1MHz EN/UVLO Threshold EN/UVLO Pin Current
100 1.60 2.0 90 1.55 1.8 80 1.6 1.50 70 RISING 1.4 –45°C 60 1.45 (µA) 1.2 TION EFFICIENCY (%) 50 1.40 1.0 25°C 40 FALLING 0.8 THRESHOLD (V) 1.35 I EN/UVLO 30 0.6 VIN = 6V 1.30 150°C 20 VIN = 12V 0.4 OVERALL APPLICA 10 VIN = 24V 1.25 0.2 VIN = 36V 0 1.20 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 –50 –25 0 25 50 75 100 125 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 LOAD CURRENT EACH CHANNEL (A) TEMPERATURE (°C) VEN/UVLO (V) 3504 G07 3504 G08 3504 G09 3504fa 4 For more information www.linear.com/LT3504 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Efficiency, f = 1MHz Efficiency, f = 1MHz Efficiency, f = 1MHz
80 90 90 VOUT = 1.8V VOUT = 2.5V VOUT = 3.3V 70 80 80 60 70 70 60 60 50 50 50 40 40 40 EFFICIENCY (%) 30 EFFICIENCY (%) 30 EFFICIENCY (%) 30 20 VIN = 6V 20 VIN = 6V 20 VIN = 6V VIN = 12V VIN = 12V VIN = 12V 10 VIN = 24V 10 VIN = 24V 10 VIN = 24V VIN = 36V VIN = 36V VIN = 36V 0 0 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 3504 G01 3504 G02 3504 G03
Efficiency, f = 1MHz Load Regulation Efficiency, f = 1MHz
100 0 100 VOUT = 5V VIN = 12V VOUT1,2,3,4 = 5V 90 –0.5 90 80 –1.0 80 70 –1.5 70 60 –2.0 60 50 –2.5 TION EFFICIENCY (%) 50 40 –3.0 40 EFFICIENCY (%) 30 PERCENT ERROR (%) –3.5 30 V VOUT = 1.8V VIN = 6V 20 IN = 6V V –4.0 20 V IN = 12V VOUT = 2.5V IN = 12V V 10 VIN = 24V –4.5 VOUT = 3.3V OVERALL APPLICA 10 IN = 24V V V IN = 36V VOUT = 5V IN = 36V 0 –5.0 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT EACH CHANNEL (A) 3504 G04 3504 G05 3504 G06
Efficiency 5V/3.3V/2.5V/1.8V, f = 1MHz EN/UVLO Threshold EN/UVLO Pin Current
100 1.60 2.0 90 1.55 1.8 80 1.6 1.50 70 RISING 1.4 –45°C 60 1.45 (µA) 1.2 TION EFFICIENCY (%) 50 1.40 1.0 25°C 40 FALLING 0.8 THRESHOLD (V) 1.35 I EN/UVLO 30 0.6 VIN = 6V 1.30 150°C 20 VIN = 12V 0.4 OVERALL APPLICA 10 VIN = 24V 1.25 0.2 VIN = 36V 0 1.20 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 –50 –25 0 25 50 75 100 125 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 LOAD CURRENT EACH CHANNEL (A) TEMPERATURE (°C) VEN/UVLO (V) 3504 G07 3504 G08 3504 G09 3504fa 4 For more information www.linear.com/LT3504 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts