ISL6445IAZ-TK Intersil, ISL6445IAZ-TK Datasheet - Page 2

• Manufacturer Part Number: ISL6445IAZ-TK
• Description: IC PWM BUCK CM 24QSOP
• Manufacturer: Intersil

Specifications of ISL6445IAZ-TK

• Pwm Type: Current Mode
• Number Of Outputs: 2
• Frequency - Max: 1.55MHz
• Duty Cycle: 73%
• 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: 24-QSOP
• Frequency-max: 1.55MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL6445IAZ-TKTR

Typical Application Schematic
+1.8V, 2A
VOUT1
12.4k
R3
10k
R4
150µF
C9
+
BAT54HT1
10µF
C3
3.2µH
0.1µF
L1
FDS6912A
C7
D1
2
Q1
0.1µF
C4
1.4K
R1
UGATE1
PHASE1
LGATE1
BOOT1
PGND
ISEN1
SD1
SD2
SS1
FB1
SGND
17
23
22
20
24
19
14
18
8
21
VIN
16
12
ISL6445IA
ISL6445
13
BIAS
7
VCC5
6
PGOOD
10
15
11
R9
10k
4
9
2
3
5
1
OCSET2
4.7µF
SS2
BOOT2
UGATE2
PHASE2
ISEN2
LGATE2
FB2
OCSET1
C2
121k
121k
R8
R7
1.4k
R2
0.1µF
C5
VCC5
FDS6912A
Q2
C8
0.1µF
D2
BAT54HT1
3.2µH
L2
C6
10µF
VCC5
+
+
150µF
C10
56µF
C1
R6
10k
31.6k
R5
PGOOD
+3.3V, 2A
June 3, 2008
VOUT2
FN9230.1
+12V