ISL8014EVAL2Z Intersil, ISL8014EVAL2Z Datasheet - Page 8

• Manufacturer Part Number: ISL8014EVAL2Z
• Description: EVALUATION BOARD FOR ISL8014
• Manufacturer: Intersil

Specifications of ISL8014EVAL2Z

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 4A
• Voltage - Input: 2.7 ~ 5.5V
• Regulator Topology: Buck
• Frequency - Switching: 1MHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL8014
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

Typical Operating Performance
FIGURE 15. OUTPUT VOLTAGE REGULATION vs VIN
FIGURE 17. STEADY STATE OPERATION AT NO LOAD
FIGURE 19. STEADY STATE OPERATION WITH FULL
1.830
1.820
1.810
1.800
1.790
1.780
1.770
1.760
1.750
LX 2V/DIV
LX 2V/DIV
IL 2A/DIV
V
IL 0.5A/DIV
V
OUT
OUT
2.0
RIPPLE 20mV/DIV
RIPPLE 20mV/DIV
(PWM V
(PWM)
LOAD
2.5
4A LOAD PWM
3.0
OUT
INPUT VOLTAGE (V)
= 1.8 )
3.5
8
4.0
4.5
0A LOAD PWM
5.0
5.5
ISL8014
(Unless otherwise noted, operating conditions are: T
V
C
VIN
1
= 2x22µF, C
FIGURE 16. OUTPUT VOLTAGE REGULATION vs VIN
FIGURE 18. STEADY STATE OPERATION AT NO LOAD
= 2.5V to 5.5V, EN = V
1.830
1.820
1.810
1.800
1.790
1.780
1.770
1.760
1.750
LX 2V/DIV
LX 2V/DIV
FIGURE 20. MODE TRANSITION CCM TO DCM
V
IL 1A/DIV
IL 0.5A/DIV
OUT
2.0
RIPPLE 50mV/DIV
2
= 2x22µF, I
(PFM V
(PFM)
2.5
3.0
OUT
INPUT VOLTAGE (V)
IN
OUT
4A LOAD
, SYNCH = 0V, L = 1.5µH,
= 1.8V)
3.5
= 0A to 4A)
V
OUT
4.0
RIPPLE 20mV/DIV
.
(Continued)
4.5
November 23, 2009
A
0A LOAD
= +25°C,
5.0
FN6576.4
5.5