Datasheet LT1913 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 25V, 3.5A, 2.4MHz Step-Down Switching Regulator |
| Seiten / Seite | 24 / 6 — TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted. … |
| Dateiformat / Größe | PDF / 292 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted. Minimum Input Voltage. VC Voltages
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LT1913
W U TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted. Minimum Input Voltage VC Voltages Power Good Threshold
6.5 2.50 95 6.0 2.00 CURRENT LIMIT CLAMP 90 1.50 5.5 TAGE (%) TAGE (V) TAGE (V) 85 5.0 VOL C 1.00 V SWITCHING THRESHOLD INPUT VOL V 80 OUT = 5V THRESHOLD VOL 4.5 T 0.50 A = 25 °C L = 4.7μH f = 600kHz 4.0 0 75 1 10 100 1000 10000 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 LOAD CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 1913 G21 1913 G22 1913 G23
Switching Waveforms; Switching Waveforms; Discontinuous Operation Continuous Operation
VSW VSW 5V/DIV 5V/DIV IL IL 0.2A/DIV 0.5A/DIV VOUT VOUT 10mV/DIV 10mV/DIV 1913 G25 VIN = 12V 1μs/DIV 1913 G26 VIN = 12V 1μs/DIV VOUT = 3.3V VOUT = 3.3V ILOAD = 110mA ILOAD = 1A 1913f 6
W U TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted. Minimum Input Voltage VC Voltages Power Good Threshold
6.5 2.50 95 6.0 2.00 CURRENT LIMIT CLAMP 90 1.50 5.5 TAGE (%) TAGE (V) TAGE (V) 85 5.0 VOL C 1.00 V SWITCHING THRESHOLD INPUT VOL V 80 OUT = 5V THRESHOLD VOL 4.5 T 0.50 A = 25 °C L = 4.7μH f = 600kHz 4.0 0 75 1 10 100 1000 10000 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 LOAD CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 1913 G21 1913 G22 1913 G23
Switching Waveforms; Switching Waveforms; Discontinuous Operation Continuous Operation
VSW VSW 5V/DIV 5V/DIV IL IL 0.2A/DIV 0.5A/DIV VOUT VOUT 10mV/DIV 10mV/DIV 1913 G25 VIN = 12V 1μs/DIV 1913 G26 VIN = 12V 1μs/DIV VOUT = 3.3V VOUT = 3.3V ILOAD = 110mA ILOAD = 1A 1913f 6