ISL9444IRZ-T7A Intersil, ISL9444IRZ-T7A Datasheet - Page 6

• Manufacturer Part Number: ISL9444IRZ-T7A
• Description: ISL9444 Triple, Step- Down PWM Controller IMVP-6. 40 Ld MLFP
• Manufacturer: Intersil
• Series: -r

Specifications of ISL9444IRZ-T7A

• Pwm Type: Current Mode
• Number Of Outputs: 3
• Frequency - Max: 1.32MHz
• Duty Cycle: -
• Voltage - Supply: 4.5 V ~ 28 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: 40-VFQFN Exposed Pad
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Typical Application - ISL9444
+1.05V, 6A
VOUT1
VOUT2
100µF
CO1
V
15.8k
31.6k
R1
R2
25.5k
R14
10µF
C3
1.0µH
PGOOD1
L1
49.9k
0.1µF
R15
C7
470pF
C5
PGOOD1
6
100k
100k
100k
R7
R8
R9
V
Q1
IRF7907
100k
VOUT1
R13
10nF
C
10nF
C
SS2
SS1
1.3K
R3
19
16
10
14
22
18
38
37
39
40
36
8
21
23
7
6
2
1
OCSET1
OCSET2
OCSET3
EN/SS1
TK/SS3
TK/SS2
FB1
PGOOD1
EN2
EN3
MODE/SYNC
PFI
PFO
BOOT1
UGATE1
PHASE1
ISEN1
LGATE1
CLKOUT
EXTBIAS
1µF
C1
30
3
ISL9444
ISL9444
PGND
VIN
29
5
SGND
VCC_5V
PG3_DLY
PGOOD3
PGOOD2
PHASE2
UGATE2
LGATE2
UGATE3
PHASE3
LGATE3
BOOT2
BOOT3
15
ISEN2
ISEN3
4
FB2
FB3
RT
33
34
32
31
35
17
26
27
25
24
28
20
20
19
13
9
1.1k
C2
4.7µF
R10
1.3k
R4
VOUT1
V
49.9k
R
R18
100k
T
+12V
Q3
IRF7907
Q2
IRF7907
PGOOD
CDLY
47nF
C11
0.1µF
C6
0.1µF
10µF
C10
+
47pF
C8
1.5µH
1.5µH
L2
C4
10µF
CIN1
100µF
L3
10.5k
16.5k
R12
R11
+12V
30.9k
R6
R5
115k
C12
1000pF
C9
DNP
+3.3V, 6A
July 19, 2011
+1.8V, 6A
VOUT2
CO2
VOUT3
CO3
47µF
47µF
FN7665.1