ISL8033A INTERSIL [Intersil Corporation], ISL8033A Datasheet - Page 5

• Manufacturer Part Number: ISL8033A
• Description: Dual 3A Low Quiescent Current High Efficiency Synchronous Buck Regulator
• Manufacturer: INTERSIL [Intersil Corporation]

Pin Descriptions
Ordering Information
NOTES:
ISL8033IRZ*
ISL8033AIRZ*
1. Add “-T” suffix for tape and reel.Please refer to
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL8033, ISL8033A. For more information on MSL,
PIN NUMBER
materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both
SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that
meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
please see Technical Brief TB363.
20, 21
18, 19
16, 17
2, 3,
PART NUMBER
(Notes 1, 2, 3)
14
25
15
SYMBOL
PGND1
VIN2,
VIN1
ISET
VDD
LX1
PD
5
80 33IRZ
80 33AIRZ
ISET is the output current limit setting of the regulators. See the “Electrical Specifications” table
on page 6 for settings.
Input supply voltage for the logic. Connect VIN pin.
Negative supply for the power stage of Channel 1.
Switching node connection for Channel 1. Connect to one terminal of inductor for VOUT1.
Input supply voltage. Connect a 22µF ceramic capacitor to power-ground per channel.
The exposed pad must be connected to the PGND pin for proper electrical performance. Add as
much vias as possible under this pad for optimal thermal performance.
(Continued)
MARKING
PART
ISL8033, ISL8033A
TB347
TEMP. RANGE
for details on reel specifications.
-40 to +85
-40 to +85
(°C)
DESCRIPTION
24 Ld 4x4 QFN
24 Ld 4x4 QFN
PACKAGE
(Pb-free)
L24.4x4D
L24.4x4D
DWG. #
October 21, 2010
PKG.
FN6854.1