EL7532IYZ Intersil, EL7532IYZ Datasheet - Page 3

• Manufacturer Part Number: EL7532IYZ
• Description: IC REG 2A STEP DOWN MONO 10MSOP
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of EL7532IYZ

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 5.5 V
• Current - Output: 2A
• Frequency - Switching: 1.5MHz
• Voltage - Input: 2.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

Pin Descriptions
Block Diagram
TO 5V
2.5V
PIN NUMBER
EN
+
–
10µF
10
1
2
3
4
5
6
7
8
9
124k
100k
10
5
9
1
6
7
V
V
FB
EN
SGND
RSI
DD
O
PIN NAME
SGND
PGND
REFERENCE
VDD
POR
VIN
RSI
BANDGAP
VO
5M
EN
LX
FB
CLOCK
1.5MHz
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; Connect to ground if not used
Enable; Can be connected directly to the VIN for enable
Power on reset open drain output; Leave open if not used
Output voltage sense pin
output
Voltage feedback input; connected to an external resistor divider between V
GENERATOR
VOLTAGE
LOCKOUT
UNDER-
COMPEN-
RAMP
SATION
POR
PWM
EL7532
TEMPERATURE
COMPARATOR
SENSE
PWM
+
-
PIN FUNCTION
CONTROL
LOGIC
N-DRIVER
P-DRIVER
O
PGND
and SGND for variable
POR
V
LX
IN
3
8
4
2
1.8µ
10µF
November 2, 2007
FN7435.8
1.8V
2A
100k
PG