ISL6228EVAL3Z Intersil, ISL6228EVAL3Z Datasheet - Page 3

• 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 4. CCM STEADY-STATE OPERATION, V
FIGURE 6. TRANSIENT RESPONSE, V
100
95
90
85
80
75
70
65
60
FIGURE 2. CHANNEL-1 EFFICIENCY AT V
0
V
IN
= 8V
1
V
I
O
V
O1
IN
= 0.1A/4.6A @ 2.55A/µs
= 19V
= 1.5V, I
2
V
IN
= 12V
V
O1
I
O1
3
V
O1
O1
I
= 3A, V
OUT
3
4
(A)
O2
5
= 1.8A, I
IN
V
O2
= 19V, V
6
O2
O
= 1.5V
IN
= 4A
O
Application Note 1291
PHASE1
7
PHASE1
= 12V,
PHASE2
= 1.5V,
8
FIGURE 5. DCM STEADY-STATE OPERATION, V
FIGURE 7. TRANSIENT RESPONSE, V
100
95
90
85
80
75
70
65
60
FIGURE 3. CHANNEL-2 EFFICIENCY AT V
0
V
IN
= 8V
1
V
I
V
O
IN
O1
= 0.1A/5.1A @ 2.55A/µs
= 19V
= 1.5V, I
V
2
PHASE1
IN
= 12V
V
I
O2
V
O2
3
O1
O1
V
O2
I
= 0.5A, V
OUT
4
(A)
O2
5
IN
= 1.8V, I
= 19V, V
6
O
O2
IN
= 1.8V
O
7
= 0.5A
PHASE2
PHASE2
= 12V,
= 1.8V,
May 17, 2007
AN1291.0
8