NCP5222 ON Semiconductor, NCP5222 Datasheet - Page 21

• Manufacturer Part Number: NCP5222
• Description: High Performance Dual-channel / Two-phase Synchronous Buck Controller For Notebook Power System
• Manufacturer: ON Semiconductor

10 mF * 4, V
12 V, V
= 470 mF * 2, V
Completes Soft−Start (V
Figure 31. Powerup with Two ENs Together (V
Figure 29. Input Voltage Ripple (V
Figure 33. Powerup with EN2 Comes after CH1
= 0 A, V
C
O2
O1
= 470 mF * 2, Dual−Channel Operation)
= 1.05 V, I
O1
O2
Dual−Channel Operation)
= 1.05 V, I
= 1.05 V, I
O2
= 1.05 V, I
O1
Operation)
= 0 A, V
O1
O2
IN
= 10 A, L1 = 0.56 mH, C
= 0 A, Dual−Channel
= 12 V, V
O2
O2
= 10 A, L2 = 0.56 mH,
TYPICAL OPERATING CHARACTERISTICS
= 1.05 V, I
IN
O1
= 12 V, C
= 1.05 V, I
O2
= 0 A,
IN
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IN
O1
=
O1
=
21
Figure 30. Output Voltage Ripple (V
V
Completes Soft−Start (V
Figure 34. Powerdown and Soft−Stop (V
Figure 32. Powerup with EN2 Comes before CH1
1.05 V, I
O2
V
= 0 A, V
O1
= 1.05 V, I
= 1.05 V, I
O1
* 2, Dual−Channel Operation)
O1
= 10 A, L1 = 0.56 mH, C
Dual−Channel Operation)
O2
= 1.05 V, I
O1
= 10 A, L2 = 0.56 mH, C
= 0 A, V
Operation)
O2
IN
= 0 A, Dual−Channel
= 12 V, V
O2
= 1.05 V, I
O1
IN
O1
= 470 mF * 2,
= 12 V, V
= 1.05 V, I
O2
O2
IN
= 470 mF
= 0 A,
= 12 V,
O1
O1
=