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ADP1660ACBZ-R7 Scheda tecnica(PDF) 8 Page - Analog Devices |
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ADP1660ACBZ-R7 Scheda tecnica(HTML) 8 Page - Analog Devices |
8 / 28 page ADP1660 Data Sheet Rev. 0 | Page 8 of 28 TYPICAL PERFORMANCE CHARACTERISTICS ILED = LED current, VLED = LED output voltage, IBAT = battery current. CH1 5.00V CH2 1.00A CH4 2.00V CH3 500mA M800µs 3 4 2 1 T 200µs VLED1 ILED1 STROBE INDUCTOR CURRENT Figure 5. Startup, Flash Mode, VIN = 3.6 V, ILED1 = ILED2 = 750 mA CH1 5.00V CH2 100mA CH4 2.00V CH3 100mA M8.00ms 3 4 2 1 T 2.00ms VLED1 ILED1 ILED2 GPIO (TORCH) Figure 6. Startup, Torch Mode, VIN = 3.6 V, ILED1 = ILED2 = 150 mA CH1 5.00V CH2 1.00A CH4 5.00V CH3 500mA M400µs 3 4 2 1 T 100µs VLED1 ILED1 STROBE INDUCTOR CURRENT Figure 7. Torch Current to 750 mA Flash Transition, ILED1 = ILED2 = 50 mA CH1 2.00V CH2 100mA CH3 50.0mA M800µs 3 2 1 T 100µs ILED1 SW INDUCTOR CURRENT Figure 8. Switching Waveforms, Flash Mode, ILED1 = ILED2 = 750 mA CH1 1.00V CH2 200mA CH4 100mA CH3 1.00V M20.0µs 1 3 2 4 T 0.00000s VLED1 VIN ILED1 INDUCTOR CURRENT A CH2 196mA Figure 9. Pass-Through to Boost Mode Transition, Single LED, ILED1 = 50 mA CH1 5.00V CH2 1.00A CH4 500mV CH3 200mA M20µs 3 4 2 1 T 10µs VLED1 ILED1 IBAT GPIO (TxMASK) Figure 10. Entry into TxMASK Mode, ILED1 = ILED2 = 750 mA to 250 mA |
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