Datasheet LT3470A (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | Micropower Buck Regulator with Integrated Boost and Catch Diodes |
| Seiten / Seite | 20 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted. … |
| Dateiformat / Größe | PDF / 207 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted. Switch VCESAT. BOOST Pin Current
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LT3470A
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LT3470A
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted. Switch VCESAT BOOST Pin Current
700 14 600 12 500 10 (mV) 400 8 CESAT 300 6 SWITCH V 200 4 BOOST PIN CURRENT (mA) 100 2 0 0 0 100 200 300 400 500 0 100 200 300 400 500 SWITCH CURRENT (mA) SWITCH CURRENT (mA) 3470a G14 3470a G15
Catch Diode Forward Voltage Boost Diode Forward Voltage
1.0 900 800 0.8 700 (V) (V) 600 F F 0.6 500 400 0.4 SCHOTTKY V SCHOTTKY V 300 200 0.2 100 0 0 0 100 200 300 400 0 50 100 150 200 CATCH DIODE CURRENT (mA) BOOST DIODE CURRENT (mA) 3470a G16 3470a G17
Minimum Input Voltage, VOUT = 3.3V Minimum Input Voltage, VOUT = 5V
6.0 8 TA = 25°C TA = 25°C 5.5 7 5.0 4.5 6 VIN TO RUN/START 4.0 INPUT VOLTAGE (V) V INPUT VOLTAGE (V) IN TO RUN/START 5 3.5 3.0 4 0 50 100 150 200 250 0 50 100 150 200 250 LOAD CURRENT (mA) LOAD CURRENT (mA) 3470a G18 3470a G19 3470afb 6
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted. Switch VCESAT BOOST Pin Current
700 14 600 12 500 10 (mV) 400 8 CESAT 300 6 SWITCH V 200 4 BOOST PIN CURRENT (mA) 100 2 0 0 0 100 200 300 400 500 0 100 200 300 400 500 SWITCH CURRENT (mA) SWITCH CURRENT (mA) 3470a G14 3470a G15
Catch Diode Forward Voltage Boost Diode Forward Voltage
1.0 900 800 0.8 700 (V) (V) 600 F F 0.6 500 400 0.4 SCHOTTKY V SCHOTTKY V 300 200 0.2 100 0 0 0 100 200 300 400 0 50 100 150 200 CATCH DIODE CURRENT (mA) BOOST DIODE CURRENT (mA) 3470a G16 3470a G17
Minimum Input Voltage, VOUT = 3.3V Minimum Input Voltage, VOUT = 5V
6.0 8 TA = 25°C TA = 25°C 5.5 7 5.0 4.5 6 VIN TO RUN/START 4.0 INPUT VOLTAGE (V) V INPUT VOLTAGE (V) IN TO RUN/START 5 3.5 3.0 4 0 50 100 150 200 250 0 50 100 150 200 250 LOAD CURRENT (mA) LOAD CURRENT (mA) 3470a G18 3470a G19 3470afb 6