Datasheet LTC3737 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | Dual 2-Phase, No RSENSE DC/DC Controller with Output Tracking |
| Seiten / Seite | 24 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. Undervoltage Lockout Threshold. … |
| Dateiformat / Größe | PDF / 282 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFOR A CE CHARACTERISTICS. Undervoltage Lockout Threshold. RUN/SS Pull-Up Current. Oscillator Frequency
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LTC3737
W U TYPICAL PERFOR A CE CHARACTERISTICS Undervoltage Lockout Threshold RUN/SS Pull-Up Current Oscillator Frequency vs Temperature vs Temperature vs Temperature
2.50 1.0 10 8 2.45 V 0.9 IN RISING A) µ 6 2.40 4 0.8 2.35 2 ) VOLTAGE (V) 2.30 0.7 0 IN VIN FALLING –2 2.25 0.6 –4 INPUT (V 2.20 –6 RUN/SS PULL-UP CURRENT ( 0.5 NROMALIZED FREQUENCY (%) 2.15 –8 2.10 0.4 –10 –60 –40 –20 0 20 40 60 80 100 –60 –40 –20 0 20 40 60 80 100 –60 –40 –20 0 20 40 60 80 100 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3737 G10 3737 G11 3737 G12
Oscillator Frequency Shutdown Quiescent Current RUN/SS Start-Up Current vs Input Voltage vs Input Voltage vs Input Voltage
5 20 T 0.9 A = 25°C TA = 25°C T 4 A = 25°C 18 RUN/SS = 0V A) RUN/SS = 0V µ 0.8 3 16 A) 0.7 µ 2 14 0.6 1 12 0.5 0 10 0.4 –1 8 –2 6 0.3 –3 SHUTDOWN CURRENT ( 4 0.2 NORMALIZED FREQUENCY SHIFT (%) –4 2 RUN/SS PIN START-UP CURRENT ( 0.1 –5 0 0 2 3 4 5 6 7 8 9 10 2 3 4 5 6 7 8 9 10 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 3737 G13 3737 G14 3737 G15 3737fa 5
W U TYPICAL PERFOR A CE CHARACTERISTICS Undervoltage Lockout Threshold RUN/SS Pull-Up Current Oscillator Frequency vs Temperature vs Temperature vs Temperature
2.50 1.0 10 8 2.45 V 0.9 IN RISING A) µ 6 2.40 4 0.8 2.35 2 ) VOLTAGE (V) 2.30 0.7 0 IN VIN FALLING –2 2.25 0.6 –4 INPUT (V 2.20 –6 RUN/SS PULL-UP CURRENT ( 0.5 NROMALIZED FREQUENCY (%) 2.15 –8 2.10 0.4 –10 –60 –40 –20 0 20 40 60 80 100 –60 –40 –20 0 20 40 60 80 100 –60 –40 –20 0 20 40 60 80 100 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3737 G10 3737 G11 3737 G12
Oscillator Frequency Shutdown Quiescent Current RUN/SS Start-Up Current vs Input Voltage vs Input Voltage vs Input Voltage
5 20 T 0.9 A = 25°C TA = 25°C T 4 A = 25°C 18 RUN/SS = 0V A) RUN/SS = 0V µ 0.8 3 16 A) 0.7 µ 2 14 0.6 1 12 0.5 0 10 0.4 –1 8 –2 6 0.3 –3 SHUTDOWN CURRENT ( 4 0.2 NORMALIZED FREQUENCY SHIFT (%) –4 2 RUN/SS PIN START-UP CURRENT ( 0.1 –5 0 0 2 3 4 5 6 7 8 9 10 2 3 4 5 6 7 8 9 10 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 3737 G13 3737 G14 3737 G15 3737fa 5