EL7536EVAL1 Intersil, EL7536EVAL1 Datasheet - Page 3

• Manufacturer Part Number: EL7536EVAL1
• Description: EVALUATION BOARD FOR EL7536
• Manufacturer: Intersil

Specifications of EL7536EVAL1

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 1A
• Voltage - Input: 2.5 ~ 5.5V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: EL7536
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Frequency - Switching: -

Pin Descriptions
Block Diagram
2.5V-
3.5V
PIN NUMBER
EN
+
–
10µF
10
1
2
3
4
5
6
7
8
9
100K
124K
V
V
FB
EN
SGND
RSI
DD
O
PIN NAME
SGND
PGND
REFERENCE
VDD
POR
VIN
RSI
VO
BANDGAP
EN
5M
LX
FB
CLOCK
1.4MHz
START
SOFT-
3
10pF
+
-
Negative supply for the controller stage
Negative supply for the power stage
Inductor drive pin; high current digital output with average voltage equal to the regulator output voltage
Positive supply for the power stage
Power supply for the controller stage
Resets POR timer
Enable
Power on reset open drain output
Output voltage sense
output
Voltage feedback input; connected to an external resistor divider between V
GENERATOR
LOCKOUT
COMPEN-
VOLTAGE
SATION
UNDER-
RAMP
PWM
POR
EL7536
TEMPERATURE
COMPARATOR
SENSE
PWM
+
-
PIN FUNCTION
CONTROL
LOGIC
CURRENT
N-DRIVER
P-DRIVER
LIMIT
+
-
O
PGND
and SGND for variable
POR
V
LX
IN
1.8µ
10µF
July 13, 2006
FN7396.8
100K
1.8V
1A
PG