NCP5222 ON Semiconductor, NCP5222 Datasheet - Page 23

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

(V
Figure 43. Powerup with EN1 in Two−Phase Mode
Figure 41. Line Transient Response (V
Two−Phase Mode (V
20 V, V
470 mF * 2, V
IN
Figure 45. Powerup with Two ENs together in
= 12 V, V
C
O2
O1
= 470 mF * 2, Dual−Channel Mode)
= 1.05 V, I
0 A, V
O1
O2
= 1.05 V, I
= 1.05 V, I
O2
= 1.05 V, I
O1
IN
= 0 A)
= 9 A, L1 = 0.56 mH, C
= 12 V, V
O1
O2
= 0 A, V
= 9 A, L2 = 0.56 mH,
O2
TYPICAL OPERATING CHARACTERISTICS
O1
= 0 A)
= 1.05 V, I
O2
= 1.05 V, I
IN
= 12 V to
O1
O1
http://onsemi.com
=
=
O2
23
Figure 42. Line Transient Response (V
Figure 46. Powerdown with Two ENs together in
Two−Phase Mode (V
12 V, V
470 mF * 2, V
Figure 44. Powerdown with EN1 in Two−Phase
Mode (V
C
O2
O1
= 470 mF * 2, Dual−Channel Mode)
IN
= 1.05 V, I
0 A, V
= 12 V, V
O2
= 1.05 V, I
1.05 V, I
O2
= 1.05 V, I
O1
O1
IN
= 9 A, L1 = 0.56 mH, C
= 12 V, V
= 1.05 V, I
O2
O2
= 0 A)
= 9 A, L2 = 0.56 mH,
O2
O1
= 0 A)
O1
= 1.05 V, I
= 0 A, V
IN
= 20 V to
O2
O1
O1
=
=
=