Datasheet LTC1922-1 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | Synchronous Phase Modulated Full-Bridge Controller |
| Pages / Page | 24 / 4 — TYPICAL PERFOR A CE CHARACTERISTICS. Oscillator Frequency vs. Start-Up … |
| File Format / Size | PDF / 316 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. Oscillator Frequency vs. Start-Up ICC vs VCC. VCC vs ISHUNT. Temperature
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LTC1922-1
W U TYPICAL PERFOR A CE CHARACTERISTICS Oscillator Frequency vs Start-Up ICC vs VCC VCC vs ISHUNT Temperature
200 10.50 280 TA = 25°C TA = 25°C CT = 180pF 150 10.25 270 µA) (V) ( 100 10.00 260 CC I CC V FREQUENCY (kHz) 50 9.75 250 0 9.50 240 0 2 4 6 8 10 0 10 20 30 40 50 – 60 – 40 – 20 0 20 40 60 80 100 VCC (V) ISHUNT (mA) TEMPERATURE (°C) 1922 • G01 1922 • G02 1922 • G03
Leading Edge Blanking Time vs RLEB VREF vs IREF
350 5.05 TA = 25°C 300 TJ = 25°C 5.00 250 TJ = 85°C 4.95 200 (V) REF 150 V 4.90 BLANK TIME (ns) T 100 J = –40°C 4.85 50 0 4.80 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 R I LEB (kΩ) REF (mA) 1922 • G04 1922 • G05
VREF vs Temperature Error Amplifier Gain/Phase
5.01 TA = 25°C 100 80 5.00 60 40 GAIN (dB) 20 (V) 0 4.99 REFV –180 4.98 –270 PHASE (DEG) –360 4.97–60 –40 –20 0 20 40 60 80 100 10 100 1k 10k 100k 1M 10M TEMPERATURE (°C) FREQUENCY (Hz) 1922 • G03 1922 • G07 4
W U TYPICAL PERFOR A CE CHARACTERISTICS Oscillator Frequency vs Start-Up ICC vs VCC VCC vs ISHUNT Temperature
200 10.50 280 TA = 25°C TA = 25°C CT = 180pF 150 10.25 270 µA) (V) ( 100 10.00 260 CC I CC V FREQUENCY (kHz) 50 9.75 250 0 9.50 240 0 2 4 6 8 10 0 10 20 30 40 50 – 60 – 40 – 20 0 20 40 60 80 100 VCC (V) ISHUNT (mA) TEMPERATURE (°C) 1922 • G01 1922 • G02 1922 • G03
Leading Edge Blanking Time vs RLEB VREF vs IREF
350 5.05 TA = 25°C 300 TJ = 25°C 5.00 250 TJ = 85°C 4.95 200 (V) REF 150 V 4.90 BLANK TIME (ns) T 100 J = –40°C 4.85 50 0 4.80 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 R I LEB (kΩ) REF (mA) 1922 • G04 1922 • G05
VREF vs Temperature Error Amplifier Gain/Phase
5.01 TA = 25°C 100 80 5.00 60 40 GAIN (dB) 20 (V) 0 4.99 REFV –180 4.98 –270 PHASE (DEG) –360 4.97–60 –40 –20 0 20 40 60 80 100 10 100 1k 10k 100k 1M 10M TEMPERATURE (°C) FREQUENCY (Hz) 1922 • G03 1922 • G07 4
