ISL8014EVAL2Z Intersil, ISL8014EVAL2Z Datasheet - Page 3

• 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 Application
Block Diagram
SGND
VFB
PG
EN
2 x 22µF
SHUTDOWN
INPUT 2.7V TO 5.5V
6k
C1
BANDGAP
3
0.736V
START
SOFT
0.8V
Soft
0.2V
3pF
R1
100k
+
FIGURE 1. TYPICAL APPLICATION DIAGRAM
-
-
DELAY
+
-
1ms
FIGURE 2. FUNCTIONAL BLOCK DIAGRAM
-
+
EAMP
SCP
SLOPE
COMP
Slope
+
VIN
VDD
PG
EN
SYNCH
390k
27pF
COMP
-
+
ISL8014
ISL8014
OSCILLATOR
PGND
SGND
VFB
SKIP
LX
OCP
+
+
-
-
CONTROLLER
PROTECTION
2 x 22µF
PWM/PFM
DRIVER
1.5µH
LOGIC
1.4V
0.5V
ZERO-CROSS
L
SYNCH
SHUTDOWN
SENSING
C2
CSA
100k
124k
+ +
-
R3
R2
OUTPUT
1.8V
C3
47pF
VIN
LX
PGND
November 23, 2009
FN6576.4