ISL8105BEVAL1Z Intersil, ISL8105BEVAL1Z Datasheet - Page 5

• Manufacturer Part Number: ISL8105BEVAL1Z
• Description: EVAL BOARD ISL8105B
• Manufacturer: Intersil

Specifications of ISL8105BEVAL1Z

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 15A
• Voltage - Input: 9.6 ~ 14.4V
• Regulator Topology: Buck
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL8105B
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

Transient Performance
Figures 7, 8, and 9 show the response of the output when
subjected to transient loading from 0A to 15A at 1A/µs.
Efficiency
ISL8105BEVAL1Z, ISL8105BEVAL2Z based regulators
enable the design of highly efficient systems. The efficiency
of the evaluation board using a 12V input supply is shown in
Figure 10.
IL
VOUT
FIGURE 7. TRANSIENT RESPONSE
FIGURE 8. TRANSIENT RESPONSE
FIGURE 9. TRANSIENT RESPONSE
5
Application Note 1288
References
For Intersil documents available on the web, go to
http://www.intersil.com/.
FIGURE 10. EVALUATION BOARD EFFICIENCY (V
1. ISL8105, ISL8105B Data Sheet, FN6306, “+5V or +12V
2. Tech Brief TB417, “Designing Stable Compensation
1.800
1.798
1.796
1.794
1.792
1.790
95
90
85
80
75
70
65
60
55
50
Single-Phase Synchronous Buck Converter PWM
Controller with Integrated MOSFET Gate Drivers”, Intersil
Corporation
Networks for Single Phase Voltage Mode Buck
Regulators”, Intersil Corporation
FIGURE 11. EVALUATION BOARD LINE REGUALTION
0
0
1
1
2
2
3
3
4
4
5
LOAD CURRENT (A)
OUTPUT CURRENT (A)
5
6
6
7
7
8
8
9
9
10 11 12 13 14 15
10 11 12 13 14 15
October 30, 2008
OUT
= 1.8V)
AN1288.1