Datasheet LTC1922-1 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | Synchronous Phase Modulated Full-Bridge Controller |
| Seiten / Seite | 24 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. Delay Hysteresis Current vs. … |
| Dateiformat / Größe | PDF / 316 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFOR A CE CHARACTERISTICS. Delay Hysteresis Current vs. Start-Up ICC vs Temperature. Temperature
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LTC1922-1
W U TYPICAL PERFOR A CE CHARACTERISTICS Delay Hysteresis Current vs Start-Up ICC vs Temperature Temperature Slope Current vs Temperature
160 1.278 130 SBUS = 1.5V 1.276 150 120 CT = 3.0V 1.274 140 110 1.272 130 100 1.270 µA) µA) 120 1.268 90 ( 1.266 I CC 110 80 1.264 100 CURRENT ( 70 1.262 90 HYSTERESIS CURRENT (mA) 60 CT = 1.5V 1.260 80 1.258 50 70 1.256 40 –55 –25 5 35 65 95 125 –55 –25 5 35 65 95 125 –55 –25 5 35 65 95 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1922 • G10 1922 • G11 1922 • G12
Delay Pin Threshold vs VCC Shunt Voltage vs Temperature Temperature
10.5 2.4 ICC = 10mA 2.3 10.4 SBUS = 2.25V 2.2 10.3 2.1 10.2 2.0 1.9 10.1 1.8 THRESHOLD (V) SHUNT VOLTAGE (V) 10.0 1.7 1.6 9.9 SBUS = 1.5V 1.5 9.8 1.4 –55 –25 5 35 65 95 125 –55 –25 5 35 65 95 125 TEMPERATURE (°C) TEMPERATURE (°C) 1922 • G13 1922 • G14
Ramp Offset Voltage vs FB Input Voltage vs Temperature Temperature
1.202 390 1.201 385 1.200 380 1.199 375 1.198 370 1.197 OFFSET (mV) 365 FB VOLTAGE (V) 1.196 360 1.195 355 1.194 350 –55 –25 5 35 65 95 125 –55 –25 5 35 65 95 125 TEMPERATURE (°C) TEMPERATURE (°C) 1922 • G15 1922 • G16 5
W U TYPICAL PERFOR A CE CHARACTERISTICS Delay Hysteresis Current vs Start-Up ICC vs Temperature Temperature Slope Current vs Temperature
160 1.278 130 SBUS = 1.5V 1.276 150 120 CT = 3.0V 1.274 140 110 1.272 130 100 1.270 µA) µA) 120 1.268 90 ( 1.266 I CC 110 80 1.264 100 CURRENT ( 70 1.262 90 HYSTERESIS CURRENT (mA) 60 CT = 1.5V 1.260 80 1.258 50 70 1.256 40 –55 –25 5 35 65 95 125 –55 –25 5 35 65 95 125 –55 –25 5 35 65 95 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1922 • G10 1922 • G11 1922 • G12
Delay Pin Threshold vs VCC Shunt Voltage vs Temperature Temperature
10.5 2.4 ICC = 10mA 2.3 10.4 SBUS = 2.25V 2.2 10.3 2.1 10.2 2.0 1.9 10.1 1.8 THRESHOLD (V) SHUNT VOLTAGE (V) 10.0 1.7 1.6 9.9 SBUS = 1.5V 1.5 9.8 1.4 –55 –25 5 35 65 95 125 –55 –25 5 35 65 95 125 TEMPERATURE (°C) TEMPERATURE (°C) 1922 • G13 1922 • G14
Ramp Offset Voltage vs FB Input Voltage vs Temperature Temperature
1.202 390 1.201 385 1.200 380 1.199 375 1.198 370 1.197 OFFSET (mV) 365 FB VOLTAGE (V) 1.196 360 1.195 355 1.194 350 –55 –25 5 35 65 95 125 –55 –25 5 35 65 95 125 TEMPERATURE (°C) TEMPERATURE (°C) 1922 • G15 1922 • G16 5