ISL9440BIRZ-T Intersil, ISL9440BIRZ-T Datasheet - Page 4

• 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

Typical Application - ISL9440B
+ 5.0V, 15A
105k
20k
VOUT1
R2
R1
330µF
C4
10µF
CIN3
+2.5V, 800mA
+
220pF
CFF1
VOUT4
330µF
C5
CIN4
10µF
VOUT2
+
+3.3V
0.22µF
2.2µH
100µF
L1
C12
Si4423DY
C2
RJK0301DPB
+
4
RJK0305DPB
Q4
R9
21.5k
R10
10k
Q1
150k
150k
Q2
R13
R14
150k
R15
C
C
22nF
22nF
C
22nF
SS3
0.22µF
SS1
SS2
R12
C11
51
2.0k
R3
UGATE1
PHASE1
OCSET1
OCSET2
OCSET3
LGATE1
BOOT1
LDOFB
EN/SS1
EN/SS2
EN/SS3
ISEN1
FB1
G4
ISL9440B, ISL9440C
CINF
0.47µF
31
30
32
1
29
6
9
10
7
12
15
5
14
17
VIN
4
ISL9440B
RINF1
PGND
3
VCC_5V
23
SGND
11
26
27
25
24
28
13
20
21
19
18
22
16
8 RST
2
BOOT2
UGATE2
PHASE2
ISEN2 R4
LGATE2
FB2
BOOT3
UGATE3
PHASE3
ISEN3 R11
LGATE3
FB3
PGOOD
C1
4.7µF
2.0k
1.5k
V
V
100k
+19V
100k
VCC_5V
R16
R17
VCC_5V
Q3
RJK0305DPB
Q5
RJK0304DPB
Q6
RJK0301DPB
RJK0301DPB
Q4
RST
PGOOD
+
CIN2
150µF
3.3µH
0.22µF
1.5µH
C3
0.22µF
C8
L3
L2
+
CIN5
+
10µF
CIN1
150µF
CIN7
10µF
C9
180µF
+
C6
330µF
+
C10
180µF
10µF
CIN6
220pF
CFF2
+ C7
330µF
+19V
R7
140k
10k
R8
June 24, 2010
+3.3V, 15A
+12V, 12A
VOUT3
VOUT2
FN6799.3
330pF
CFF3
31.6k
R6
10k
R5