ISL6439EVAL1 Intersil, ISL6439EVAL1 Datasheet - Page 4

• Manufacturer Part Number: ISL6439EVAL1
• Description: EVALUATION BOARD 1 ISL6439
• Manufacturer: Intersil

Specifications of ISL6439EVAL1

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 0.8 ~ 3.3 V
• Current - Output: 20A
• Voltage - Input: 3.3 ~ 5V
• Regulator Topology: Buck
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL6439
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

Typical Application - 5V Input
Block Diagram
CPGND
OCSET
COMP
DISABLE
CT1
CT2
FB
+5V
V
IN
0.8V
20μA
+
-
N/C
4
CHARGE
PUMP
VCC
CT1
CT2
CPGND
GND
ENABLE
ERROR
COMP
AMP
+
-
ISL6439
R
F
COMPARATOR
FIXED 300kHz or 600kHz
VCC
C
I
ISL6439, ISL6439A
+
-
C
OC
OSCILLATOR
COMPARATOR
F
FB
CPVOUT
OCSET
UGATE
PHASE
PWM
LGATE
BOOT
R
+
-
OFFSET
D
C
BOOT
BOOT
RESET (POR)
SOFTSTART
POWER-ON
CPVOUT
R
PWM
FB
R
OCSET
GND
CONTROL
LOGIC
GATE
C
IN
Q
Q
1
2
C
C
HF
BULK
L
OUT
C
OUT
BOOT
ENABLE
UGATE
PHASE
LGATE
November 5, 2008
V
OUT
FN9057.5