Datasheet LTC3722-1, LTC3722-2 (Analog Devices) - 5
| Fabricante | Analog Devices |
| Descripción | Synchronous Dual Mode Phase Modulated Full Bridge Controllers |
| Páginas / Página | 28 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Oscillator Frequency. Start-Up ICC … |
| Revisión | C |
| Formato / tamaño de archivo | PDF / 607 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. Oscillator Frequency. Start-Up ICC vs VCC. VCC vs ISHUNT. vs Temperature
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LTC3722-1/LTC3722-2
TYPICAL PERFORMANCE CHARACTERISTICS Oscillator Frequency Start-Up ICC vs VCC VCC vs ISHUNT vs Temperature
200 10.50 260 TA = 25°C TA = 25°C CT = 270pF 150 10.25 250 (µA) 100 (V) 10.00 I CC V CC FREQUENCY (kHz) 240 50 9.75 0 9.50 230 0 2 4 6 8 10 0 10 20 30 40 50 –50 –30 –10 10 30 50 70 90 110 130 150 VCC (V) ISHUNT (mA) TEMPERATURE (°C) 372212 G01 372212 G02 372212 G03
Leading Edge Blanking Time vs RLEB VREF vs IREF VREF vs Temperature
350 5.05 5.01 TA = 25°C 300 TA = 25°C 5.00 5.00 250 TA = 85°C 200 4.95 4.99 (V) (V) 150 V REF 4.90 V REF 4.98 BLANK TIME (ns) 100 TA = –40°C 4.85 4.97 50 0 4.80 4.96 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 –50 –30 –10 10 30 50 70 90 110 130 150 RLEB (k) IREF (mA) TEMPERATURE (°C) 372212 G04 372212 G05 372212 G06
Delay Hysteresis Current Error Amplifier Gain/Phase Start-Up ICC vs Temperature vs Temperature
190 1.302 T SBUS = 1.5V 100 A = 25°C 180 1.300 80 1.298 60 170 1.296 40 GAIN (dB) 160 20 1.294 0 150 1.292 (µA) I CC 140 1.290 –180 1.288 130 1.286 –270 120 HYSTERESIS CURRENT (mA) 1.284 PHASE (DEG) –360 110 1.282 100 1.280 10 100 1k 10k 100k 1M 10M –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 FREQUENCY (Hz) TEMPERATURE (°C) TEMPERATURE (°C) 372212 G07 372212 G08 372212 G09 Rev C For more information www.analog.com 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Revision History Typical application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Oscillator Frequency Start-Up ICC vs VCC VCC vs ISHUNT vs Temperature
200 10.50 260 TA = 25°C TA = 25°C CT = 270pF 150 10.25 250 (µA) 100 (V) 10.00 I CC V CC FREQUENCY (kHz) 240 50 9.75 0 9.50 230 0 2 4 6 8 10 0 10 20 30 40 50 –50 –30 –10 10 30 50 70 90 110 130 150 VCC (V) ISHUNT (mA) TEMPERATURE (°C) 372212 G01 372212 G02 372212 G03
Leading Edge Blanking Time vs RLEB VREF vs IREF VREF vs Temperature
350 5.05 5.01 TA = 25°C 300 TA = 25°C 5.00 5.00 250 TA = 85°C 200 4.95 4.99 (V) (V) 150 V REF 4.90 V REF 4.98 BLANK TIME (ns) 100 TA = –40°C 4.85 4.97 50 0 4.80 4.96 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 –50 –30 –10 10 30 50 70 90 110 130 150 RLEB (k) IREF (mA) TEMPERATURE (°C) 372212 G04 372212 G05 372212 G06
Delay Hysteresis Current Error Amplifier Gain/Phase Start-Up ICC vs Temperature vs Temperature
190 1.302 T SBUS = 1.5V 100 A = 25°C 180 1.300 80 1.298 60 170 1.296 40 GAIN (dB) 160 20 1.294 0 150 1.292 (µA) I CC 140 1.290 –180 1.288 130 1.286 –270 120 HYSTERESIS CURRENT (mA) 1.284 PHASE (DEG) –360 110 1.282 100 1.280 10 100 1k 10k 100k 1M 10M –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 FREQUENCY (Hz) TEMPERATURE (°C) TEMPERATURE (°C) 372212 G07 372212 G08 372212 G09 Rev C For more information www.analog.com 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Revision History Typical application Related Parts