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ADP2503ACPZ-3.3-R71 Datasheet(PDF) 9 Page - Analog Devices |
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ADP2503ACPZ-3.3-R71 Datasheet(HTML) 9 Page - Analog Devices |
9 / 16 page 1 1 Preliminary Technical Data ADP2503/ADP2504 VIN = 3.0V SW2 VOUT = 3.3V SW1 3 4 SW1 VOUT = 3.3V 4 1 VOUT ISW 2 ISW 2 EN VOUT 3 CH1 20.0mV BW CH2 250mA Ω M 400ns A CH4 2.40V CH1 2.00V BW CH2 500mAΩ BW M 100µs A CH3 2.40V CH3 5.00V CH4 5.00V B B T 50.80% CH3 5.00V B CH4 5.00V B T 9.400% W W W W Figure 21. Typical PWM Switching Waveform, Boost Operation (VOUT = 3.3 V) Figure 24. Startup into PWM Mode (VOUT = 3.3 V, IOUT = 300 mA) VIN = 3.0V VOUT = 3.3V SW2 SW1 4 3 SW1 VOUT VOUT = 3.3V 4 1 ISW ISW 2 2 EN VOUT 3 CH1 20.0mV BW CH2 250mA Ω M 400ns A CH4 2.40V CH1 2.00V BW CH2 500mAΩ BW M 100µs A CH3 2.40V CH3 5.00V CH4 5.00V B B T 50.00% CH3 5.00V B CH4 5.00V B T 9.400% W W W W Figure 22. Typical PWM Switching Waveform, Buck-Boost Operation Figure 25. Startup into PWM Mode (VOUT = 3.3 V, IOUT = 10 mA) (VOUT = 3.3 V) VIN = 3.0V VOUT = 3.3V SW1 SW2 4 3 VOUT = 3.3V SW1 VOUT 4 1 ISW 2 ISW 2 EN VOUT 1 3 CH1 100mV BW CH2 1.00A Ω M 4.00µs A CH2 820mA CH1 2.00V BW CH2 500mAΩ BW M 100µs A CH3 2.40V CH3 5.00V B CH4 5.00V B T 15.20% CH3 5.00V B CH4 5.00V B T 9.400% W W W W Figure 23. Typical PSM Switching Waveform, Buck-Boost Operation Figure 26. Startup into PSM Mode (VOUT = 3.3 V, IOUT = 10 mA) (VOUT = 3.3 V) Rev. PrB | Page 9 of 16 |
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