ISL9440AIRZ Intersil, ISL9440AIRZ Datasheet - Page 2

• Manufacturer Part Number: ISL9440AIRZ
• Description: IC CTRLR PWM OUT-OF-PHASE 32-QFN
• Manufacturer: Intersil

Specifications of ISL9440AIRZ

• Pwm Type: Current Mode
• Number Of Outputs: 4
• Frequency - Max: 678kHz
• Duty Cycle: 86%
• Voltage - Supply: 4.5 V ~ 24 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Frequency-max: 678kHz
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Ordering Information
ISL9440IRZ*
ISL9440AIRZ* 9440AIRZ
ISL9441IRZ*
*Add “-T” for tape and reel. Please refer to TB347 for details on reel
specifications.
NOTE: These Intersil Pb-free plastic packaged products employ
special Pb-free material sets; molding compounds/die attach 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.
NUMBER
(Note)
PART
ISL9440IRZ
ISL9441IRZ
MARKING
PART
-40 to +85 32 Ld 5x5 QFN L32.5x5B
-40 to +85 32 Ld 5x5 QFN L32.5x5B
-40 to +85 32 Ld 5x5 QFN L32.5x5B
RANGE
TEMP.
2
(°C)
PACKAGE
(Pb-Free)
ISL9440, ISL9440A, ISL9441
DWG. #
PKG.
Pinout
OCSET1
VCC_5V
PGOOD
ISEN1
RST
EN1
FB1
VIN
1
2
3
4
5
6
7
8
32
9
ISL9440, ISL9440A, ISL9441
10
31
(32 LD 5X5 QFN)
11
30
TOP VIEW
12
29
13
28
14
27
15
26
16
25
December 5, 2007
24
23
22
21
20
19
18
17
ISEN2
PGND
LGATE3
UGATE3
BOOT3
PHASE3
ISEN3
EN3
FN6383.1