ISL6228EVAL3Z Intersil, ISL6228EVAL3Z Datasheet - Page 14

• Manufacturer Part Number: ISL6228EVAL3Z
• Description: EVALUATION BOARD FOR ISL6228
• Manufacturer: Intersil
• Series: Robust Ripple Regulator™ (R³)r

Specifications of ISL6228EVAL3Z

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 2, Non-Isolated
• Voltage - Output: 1.5V or 1.8V, 1.8V
• Current - Output: 8A, 8A
• Voltage - Input: 3.3 ~ 25V
• Regulator Topology: Buck
• Frequency - Switching: 270kHz, 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL6228
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

Typical Performance
FIGURE 11. START-UP, V
FIGURE 13. CCM STEADY-STATE OPERATION,V
100
95
90
85
80
75
70
65
60
FIGURE 9. CHANNEL 1 EFFICIENCY AT V
0
V
1
IN
V
O1
= 8V
= 1.5V, I
2
V
IN
= 19V
O1
IN
3
V
= 12V, LOAD = 0.25
IN
= 3A, V
14
I
= 12V
OUT
4
(A)
O2
FB1
PGOOD1
PHASE1
V
V
PHASE1
PHASE2
O1
V
= 1.8A, I
O2
O1
5
6
O2
Ω
O
, V
IN
= 1.5V
= 4A
O
= 12V,
7
= 1.05V
8
ISL6228
FIGURE 14. DCM STEADY-STATE OPERATION,V
FIGURE 12. SHUT-DOWN, V
100
95
90
85
80
75
70
65
60
FIGURE 10. CHANNEL 2 EFFICIENCY AT VO = 1.8V
0
V
IN
1
V
PHASE1
PGOOD1
O1
= 8V
FB1
= 1.5V, I
V
2
V
O1
IN
= 19V
O1
3
V
IN
= 1A, V
= 12V
I
IN
OUT
= 12V, I
4
(A)
O2
PHASE1
V
= 1.8V, I
5
O
O1
PHASE2
V
O2
= 10A, V
6
O2
IN
= 1A
O
= 12V,
= 1.05V
7
May 7, 2008
FN9095.2
8