ADP2503 Analog Devices, ADP2503 Datasheet - Page 10

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

ADP2503/ADP2504
4
1
2
3
Figure 27. Startup into PWM Mode (V
CH1
CH3
EN
2.00V
5.00V
SW1
I
V
SW
OUT
B
B
W
W
CH2 500mAΩ
CH4 5.00V
B
W
B
W
M 100µs
T
OUT
9.400%
= 3.3 V, I
V
OUT
A CH3
= 3.3V
OUT
= 10 mA)
2.40V
Rev. B | Page 10 of 16
4
1
2
3
Figure 28. Startup into PSM Mode (V
CH1
CH3
EN
2.00V
5.00V
SW1
I
V
SW
OUT
B
B
W
W
CH2 500mAΩ
CH4 5.00V
B
W
B
W
M 100µs
T
OUT
9.400%
= 3.3 V, I
V
A CH3
OUT
OUT
= 3.3V
= 10 mA)
2.40V