ISL9440BIRZ-T Intersil, ISL9440BIRZ-T Datasheet - Page 5

• 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 - ISL9440C
VOUT1
+1.0V, 6A
25.5k
102k
R1
R2
+2.5V, 800mA
+
VOUT4
CFF1
2200pF
CP1
4700pF
CO1
330µF
6TPF330M9L
CIN2
10µF
VOUT2
1.0µH
100µF
+3.3V
0.1µF
L1
FDS8433A
C6
C2
+
5
Q4
10k
100k
100k
200k
21.5k
R9
R8
R15
R16
R17
Q1
IRF7907
22nF
22nF
22nF
0.1µF
C
C
C
R7
51
C4
SS1
SS2
SS3
1.82k
R3
OCSET1
OCSET3
OCSET2
UGATE1
PHASE1
LGATE1
EN/SS1
EN/SS2
EN/SS3
LDOFB
BOOT1
ISEN1
FB1
G4
ISL9440B, ISL9440C
CINF
1µF
10
14
17
31
30
1
29
6
7
15
32
9
12
5
VIN
ISL9440C
4
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 R10
LGATE3
FB3
PGOOD
C1
4.7µF
3.09k
3.09k
V
V
100k
100k
VCC_5V
R13
R14
VCC_5V
+12V
RST
PGOOD
IRF7907
Q2
IRF7907
Q3
C3
0.1µF
C5
0.1µF
1.8µH
L2
2.8µH
+
L3
CIN1
100µF
+
CIN3
10µF
+
6TPF220MI
CIN4
10µF
CO2
330µF
6TPF220MI
CO3
220µF
+12V
CFF2
47pF
R11
105k
R12
20k
June 24, 2010
R6
10.7k
VOUT3
34k
R5
+3.3V, 6A
+5V, 4A
CFF3
220pF
VOUT2
FN6799.3