Datasheet LTC3416 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | 4A, 4MHz, Monolithic Synchronous Step-Down Regulator with Tracking |
| Pages / Page | 16 / 4 — TYPICAL PERFOR A CE CHARACTERISTICS. DC Supply Current. Efficiency vs … |
| File Format / Size | PDF / 219 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. DC Supply Current. Efficiency vs Load Current,. Frequency vs Temperature. vs Input Voltage
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LTC3416
W U TYPICAL PERFOR A CE CHARACTERISTICS DC Supply Current Efficiency vs Load Current, Frequency vs Temperature vs Input Voltage Forced Continuous
1090 400 100 VIN = 3.3V 1070 R 90 OSC = 294k 350 VIN = 2.5V 80 1050 300 µA) 70 1030 V 250 IN = 3.3V 60 1010 200 50 990 40 150 EFFICIENCY (%) FREQUENCY (kHz) 970 30 100 950 QUIESCENT CURRENT ( 20 930 50 10 VOUT = 1.8V f = 2MHz 910 0 0 –40 –20 0 20 40 60 80 100 120 2.25 2.75 3.25 3.75 4.25 4.75 5.25 0.01 0.10 1 10 TEMPERATURE (°C) INPUT VOLTAGE (V) LOAD CURRENT (A) 3416 G09 3416 G07 3416 G08
Efficiency vs Input Voltage Load Regulation
98 0 VOUT = 2.5V VIN = 3.3V 96 T V I A = 25°C OUT = 1.8V OUT = 1A –0.20 94 92 –0.40 90 (%) –0.60 88 OUT IOUT = 4A /V –0.80 86 OUT EFFICIENCY (%) ∆V 84 –1.00 82 –1.20 80 78 –1.40 2.5 3.0 3.5 4.0 4.5 5.0 5.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 INPUT VOLTAGE (V) LOAD CURRENT (A) 3416 G10 3416 G11
Load Step Transient Tracking: Start-Up and Shutdown
VOUT INDUCTOR CURRENT 2A/DIV 3416 G12 20µs/DIV 3416 G13 5ms/DIV VIN = 3.3V, VOUT = 1.8V VIN = 3.3V, VOUT = 1.8V f = 2MHz TRACKING 2.5V LOAD STEP = 0A TO 4A 3416fa 4
W U TYPICAL PERFOR A CE CHARACTERISTICS DC Supply Current Efficiency vs Load Current, Frequency vs Temperature vs Input Voltage Forced Continuous
1090 400 100 VIN = 3.3V 1070 R 90 OSC = 294k 350 VIN = 2.5V 80 1050 300 µA) 70 1030 V 250 IN = 3.3V 60 1010 200 50 990 40 150 EFFICIENCY (%) FREQUENCY (kHz) 970 30 100 950 QUIESCENT CURRENT ( 20 930 50 10 VOUT = 1.8V f = 2MHz 910 0 0 –40 –20 0 20 40 60 80 100 120 2.25 2.75 3.25 3.75 4.25 4.75 5.25 0.01 0.10 1 10 TEMPERATURE (°C) INPUT VOLTAGE (V) LOAD CURRENT (A) 3416 G09 3416 G07 3416 G08
Efficiency vs Input Voltage Load Regulation
98 0 VOUT = 2.5V VIN = 3.3V 96 T V I A = 25°C OUT = 1.8V OUT = 1A –0.20 94 92 –0.40 90 (%) –0.60 88 OUT IOUT = 4A /V –0.80 86 OUT EFFICIENCY (%) ∆V 84 –1.00 82 –1.20 80 78 –1.40 2.5 3.0 3.5 4.0 4.5 5.0 5.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 INPUT VOLTAGE (V) LOAD CURRENT (A) 3416 G10 3416 G11
Load Step Transient Tracking: Start-Up and Shutdown
VOUT INDUCTOR CURRENT 2A/DIV 3416 G12 20µs/DIV 3416 G13 5ms/DIV VIN = 3.3V, VOUT = 1.8V VIN = 3.3V, VOUT = 1.8V f = 2MHz TRACKING 2.5V LOAD STEP = 0A TO 4A 3416fa 4
