ISL9440BIRZ-T Intersil, ISL9440BIRZ-T Datasheet - Page 2

• Manufacturer Part Number: ISL9440BIRZ-T
• Description: IC CTRLR PWM OUT-OF-PHASE 32-QFN
• Manufacturer: Intersil

Specifications of ISL9440BIRZ-T

• Pwm Type: Current Mode
• Number Of Outputs: 4
• Frequency - Max: 340kHz
• Duty Cycle: 93%
• 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: 340kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Ordering Information
NOTES:
ISL9440BIRZ
ISL9440CIRZ
PART NUMBER
(Notes 1, 2, 3)
1. Add “-T” for tape and reel. Please refer to
2. These Intersil Pb-free plastic packaged products employ special
3. For Moisture Sensitivity Level (MSL), please see device information
specifications.
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.
page for ISL9440B, ISL9440C. For more information on MSL please
see techbrief TB363.
9440B IRZ
9440C IRZ
MARKING
PART
TEMP. RANGE
-40 to +85
-40 to +85
2
(°C)
32 Ld 5x5 QFN L32.5x5B
32 Ld 5x5 QFN L32.5x5B
TB347
PACKAGE
(Pb-Free)
for details on reel
ISL9440B, ISL9440C
DWG. #
PKG.
Pinout
OCSET1
VCC_5V
PGOOD
EN/SS1
ISEN1
RST
FB1
VIN
1
2
3
4
5
6
7
8
32
9
10
31
ISL9440B, ISL9440C
11
(32 LD 5x5 QFN)
30
TOP VIEW
12
29
13
28
14
27
15
26
16
25
24
23
22
21
20
19
18
17
June 24, 2010
ISEN2
PGND
LGATE3
UGATE3
BOOT3
PHASE3
ISEN3
EN/SS3
FN6799.3