ISL97536IUZ-TK Intersil, ISL97536IUZ-TK Datasheet - Page 3

• Manufacturer Part Number: ISL97536IUZ-TK
• Description: IC REG PWM STEP-DWN 1A 10-MSOP
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of ISL97536IUZ-TK

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 6 V
• Current - Output: 1A
• Frequency - Switching: 1.4MHz
• Voltage - Input: 2.5 ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

Pin Descriptions
Block Diagram
PIN NUMBER
EN
5V
+
–
10
10µF
1
2
3
4
5
6
7
8
9
470pF
C4
0.1µF
100Ω
100k
124k
V
V
FB
EN
SGND
RSI
PIN NAME
DD
O
SGND
PGND
VDD
POR
VIN
RSI
VO
EN
LX
FB
5M
REFERENCE
BANDGAP
CLOCK
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
LOCKOUT
COMPEN-
VOLTAGE
GENERA-
UNDER-
SATION
RAMP
PWM
TOR
POR
ISL97536
TEMPERATURE
COMPARATOR
COMPARATOR
SENSE
+
+
-
PWM
-
PWM
PIN FUNCTION
CONTROL
LOGIC
SYNCHRONOUS
P-DRIVER
CURRENT
N-DRIVER
RECTIFIER
SENSE
+
+
-
-
PGND
O
POR
V
and SGND for variable
LX
IN
1.8µH
10µF
November 2, 2007
100k
FN6279.1
1.8V
0 TO 1A
POR