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ADP2504ACPZ-3.5-R71 Datasheet(PDF) 9 Page - Analog Devices

Part # ADP2504ACPZ-3.5-R71
Description  600 mA/1000 mA, 2.5 MHz Buck-Boost DC-to-DC Converter
PDF  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP2504ACPZ-3.5-R71 Datasheet(HTML) 9 Page - Analog Devices

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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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