ADP2503 Analog Devices, ADP2503 Datasheet - Page 8

• Manufacturer Part Number: ADP2503
• Description: 600 mA, 2.5 MHz Buck-Boost DC-to-DC Converter
• Manufacturer: Analog Devices

ADP2503/ADP2504
Figure 15. Line Transient, PWM Mode (V
Figure 16. Line Transient, PWM Mode (V
Figure 17. Line Transient, PWM Mode (V
4
2
3
1
4
2
3
1
4
2
3
1
CH1
CH3
CH1
CH3
CH1
CH3
50.0mV
5.00V
50.0mV
5.00V
50.0mV
5.00V
B
B
B
W
W
W
B
B
B
W
W
W
CH2 1.00V
CH4 5.00V
CH2 1.00V
CH4 5.00V
CH2 1.00V
CH4 5.00V
SW1
SW2
V
V
SW1
SW2
V
SW1
SW2
V
OUT
V
V
IN
OUT
OUT
IN
IN
B
B
B
B
B
B
W
W
W
W
W
W
M40.0µs
M40.0µs
T
M40.0µs
T
T
IN
IN
IN
= 3.0 V to 3.6 V, V
V
V
= 3.0 V to 3.6 V, V
= 3.0 V to 3.6 V, V
V
V
18.20%
IN
OUT
18.20%
18.20%
IN
OUT
V
V
= 3.0V TO 3.6V
IN
OUT
= 3.0V TO 3.6V
= 3.3V
= 3.0V TO 3.6V
= 5.0V
A CH2
A CH2
A CH2
= 2.8V
3.40V
3.40mV
3.40mV
OUT
OUT
OUT
= 5.0 V)
= 3.3 V)
= 2.8 V)
Rev. B | Page 8 of 16
Figure 18. Load Transient (V
Figure 19. Load Transient (V
Figure 20. Mode Change by Load Transients, Load Rise (V
1
2
4
3
1
2
4
3
4
2
1
CH1
CH3
CH1
CH1
CH3
100mV
100mV
5.00V
100mV
5.00V
B
B
W
W
B
B
W
B
W
W
CH2 500mA Ω
CH4
CH2 250mA Ω
CH4 5.00V
CH2 250mA Ω
CH4 5.00V
IN
IN
2.00V
I
SW1
SW2
SW1
I
I
SW1
SW2
V
= 3.6 V, V
V
OUT
OUT
V
OUT
= 3.6 V, V
OUT
OUT
OUT
B
B
B
W
W
W
OUT
M100µs
OUT
T
M100µs
M100µs
T
T
= 3.3 V, I
= 3.3 V, I
25.80%
23.00%
45.40%
V
V
IN
OUT
= 3.6V
= 3.3V
OUT
A CH2
A CH2
OUT
A CH2
V
V
V
V
= 100 mA to 350 mA)
IN
OUT
IN
= 10 mA to 300 mA)
IN
OUT
= 3.6 V, V
= 3.6V
= 3.6V
= 3.3V
= 3.3V
60.0mA
60.0mA
–115mA
OUT
= 3.3 V)