Datasheet LT3667 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | 40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs |
| Pages / Page | 34 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| File Format / Size | PDF / 446 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. LDOs:. RMS Output Noise. Channel-to-Channel Isolation
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LT3667
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. LDOs: LDOs: LDOs: RMS Output Noise Channel-to-Channel Isolation Transient Response
400 COUT = 10µF IOUT2/3 = 20mA TO 200mA ) 350 f V OUT = 10Hz TO 100kHz OUT2/3 = 5V RMS 300 VOUT2/3 100mV/DIV V 250 V OUT2/3 OUT2/3 = 3.3V 50mV/DIV 200 VOUT2/3 = 2.5V I 150 VOUT2/3 = 1.8V OUT2/3 100mV/DIV V 100 OUT3/2 50mV/DIV OUTPUT NOISE VOLTAGE (µV I 50 OUT2/3 = 20mA TO 200mA VOUT2/3 = 0.8V VIN2/3 = 6V, VOUT2/3 = 5V VOUT2/3 = 1.2V V IOUT3/2 = 20mA C 0 OUT2/3 = 1.5V IN2/3 = COUT2/3 = 10µF 0.01 0.1 1 10 100 3667 G38 200µs/DIV 3667 G39 100µs/DIV LOAD CURRENT (mA) VIN2/3 = 6V, VOUT2/3 = 5V C 3667 G37 IN2/3 = COUT2/3 = 10µF
LDOs: External Current Limit, LDOs: External Current Limit, LDOs: External Current Limit, REN/ILIM = 1.54k REN/ILIM = 6.19k REN/ILIM = 31.6k
210 52.0 10.2 VOUT2/3 = 5V VOUT2/3 = 5V VOUT2/3 = 5V 205 51.5 VIN2/3 = 5.6V VIN2/3 = 5.6V 200 51.0 10.1 VIN2/3 = 10V VIN2/3 = 10V 195 50.5 VIN2/3 = 5.6V V 190 50.0 IN2/3 = 15V 10.0 VIN2/3 = 10V VIN2/3 = 15V 185 49.5 VIN2/3 = 15V CURRENT LIMIT (mA) CURRENT LIMIT (mA) CURRENT LIMIT (mA) 180 49.0 9.9 175 48.5 170 48.0 9.8 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3667 G40 3667 G41 3667 G42 3667fb 10 For more information www.linear.com/LT3667 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. LDOs: LDOs: LDOs: RMS Output Noise Channel-to-Channel Isolation Transient Response
400 COUT = 10µF IOUT2/3 = 20mA TO 200mA ) 350 f V OUT = 10Hz TO 100kHz OUT2/3 = 5V RMS 300 VOUT2/3 100mV/DIV V 250 V OUT2/3 OUT2/3 = 3.3V 50mV/DIV 200 VOUT2/3 = 2.5V I 150 VOUT2/3 = 1.8V OUT2/3 100mV/DIV V 100 OUT3/2 50mV/DIV OUTPUT NOISE VOLTAGE (µV I 50 OUT2/3 = 20mA TO 200mA VOUT2/3 = 0.8V VIN2/3 = 6V, VOUT2/3 = 5V VOUT2/3 = 1.2V V IOUT3/2 = 20mA C 0 OUT2/3 = 1.5V IN2/3 = COUT2/3 = 10µF 0.01 0.1 1 10 100 3667 G38 200µs/DIV 3667 G39 100µs/DIV LOAD CURRENT (mA) VIN2/3 = 6V, VOUT2/3 = 5V C 3667 G37 IN2/3 = COUT2/3 = 10µF
LDOs: External Current Limit, LDOs: External Current Limit, LDOs: External Current Limit, REN/ILIM = 1.54k REN/ILIM = 6.19k REN/ILIM = 31.6k
210 52.0 10.2 VOUT2/3 = 5V VOUT2/3 = 5V VOUT2/3 = 5V 205 51.5 VIN2/3 = 5.6V VIN2/3 = 5.6V 200 51.0 10.1 VIN2/3 = 10V VIN2/3 = 10V 195 50.5 VIN2/3 = 5.6V V 190 50.0 IN2/3 = 15V 10.0 VIN2/3 = 10V VIN2/3 = 15V 185 49.5 VIN2/3 = 15V CURRENT LIMIT (mA) CURRENT LIMIT (mA) CURRENT LIMIT (mA) 180 49.0 9.9 175 48.5 170 48.0 9.8 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3667 G40 3667 G41 3667 G42 3667fb 10 For more information www.linear.com/LT3667 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts
