Datasheet LTC3603 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | 2.5A, 15V Monolithic Synchronous Step-Down Regulator |
| Pages / Page | 22 / 4 — typical perForMance characteristics. Load Step Transient. Burst Mode … |
| File Format / Size | PDF / 284 Kb |
| Document Language | English |
typical perForMance characteristics. Load Step Transient. Burst Mode Operation. Forced Continuous. Switch On-Resistance
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LTC3603
typical perForMance characteristics Load Step Transient Burst Mode Operation Forced Continuous
OUTPUT OUTPUT VOLTAGE VOLTAGE 50mV/DIV 100mV/DIV INDUCTOR LOAD CURRENT CURRENT 500mA/DIV 1A/DIV 10µs/DIV 3603 G01 VIN = 12V 10µs/DIV 3603 G02 VIN = 12V VOUT = 3.3V VOUT = 3.3V LOAD = 50mA
Switch On-Resistance Switch On-Resistance VREF vs Temperature vs Input Voltage vs Temperature
0.6006 90 120 VIN = 12V VBOOST – VSW = INTVCC VIN = 12V 85 0.6004 80 TOP 100 75 TOP 0.6002 80 70 (V) 0.6000 65 60 V REF 60 BOTTOM 0.5998 RESISTANCE (mΩ) 55 RESISTANCE (mΩ) 40 0.5996 50 20 45 BOTTOM 0.5994 40 0 –50 –25 0 25 50 75 100 125 4 5 6 7 8 9 10 11 12 13 14 15 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 3603 G03 3603 G04 3603 G05
PVIN Leakage Current vs Input Voltage Frequency vs ROSC Frequency vs Input Voltage
50 3500 1040 VRUN = 0V ROSC = 105kΩ 45 3000 1030 40 1020 35 2500 30 1010 2000 25 1000 20 1500 990 FREQUENCY (kHz) FREQUENCY (kHz) INPUT CURRENT (nA) 15 1000 980 10 500 5 970 0 0 960 4 5 6 7 8 9 10 11 12 13 14 15 0 50 100 150 200 250 300 350 4 5 6 7 8 9 10 11 12 13 14 15 INPUT VOLTAGE (V) ROSC (kΩ) INPUT VOLTAGE (V) 3603 G06 3603 G07 3603 G08 3603fc 4 For more information www.linear.com/LTC3603
typical perForMance characteristics Load Step Transient Burst Mode Operation Forced Continuous
OUTPUT OUTPUT VOLTAGE VOLTAGE 50mV/DIV 100mV/DIV INDUCTOR LOAD CURRENT CURRENT 500mA/DIV 1A/DIV 10µs/DIV 3603 G01 VIN = 12V 10µs/DIV 3603 G02 VIN = 12V VOUT = 3.3V VOUT = 3.3V LOAD = 50mA
Switch On-Resistance Switch On-Resistance VREF vs Temperature vs Input Voltage vs Temperature
0.6006 90 120 VIN = 12V VBOOST – VSW = INTVCC VIN = 12V 85 0.6004 80 TOP 100 75 TOP 0.6002 80 70 (V) 0.6000 65 60 V REF 60 BOTTOM 0.5998 RESISTANCE (mΩ) 55 RESISTANCE (mΩ) 40 0.5996 50 20 45 BOTTOM 0.5994 40 0 –50 –25 0 25 50 75 100 125 4 5 6 7 8 9 10 11 12 13 14 15 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 3603 G03 3603 G04 3603 G05
PVIN Leakage Current vs Input Voltage Frequency vs ROSC Frequency vs Input Voltage
50 3500 1040 VRUN = 0V ROSC = 105kΩ 45 3000 1030 40 1020 35 2500 30 1010 2000 25 1000 20 1500 990 FREQUENCY (kHz) FREQUENCY (kHz) INPUT CURRENT (nA) 15 1000 980 10 500 5 970 0 0 960 4 5 6 7 8 9 10 11 12 13 14 15 0 50 100 150 200 250 300 350 4 5 6 7 8 9 10 11 12 13 14 15 INPUT VOLTAGE (V) ROSC (kΩ) INPUT VOLTAGE (V) 3603 G06 3603 G07 3603 G08 3603fc 4 For more information www.linear.com/LTC3603
