ISL6442IA Intersil, ISL6442IA Datasheet - Page 3

• Manufacturer Part Number: ISL6442IA
• Description: IC PWM BUCK VM 24QSOP
• Manufacturer: Intersil

Specifications of ISL6442IA

• Pwm Type: Voltage Mode
• Number Of Outputs: 3
• Frequency - Max: 2.85MHz
• Duty Cycle: 100%
• 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: 2.85MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Application Schematics
VOLTAGE INPUTS REQUIRED
VIN (4.5V TO 24V) = VIN1 = VIN2
VCC (5V; INTERNAL IF VIN > 5.6V)
VIN3 (≤ VCC) FOR LINEAR
VOUT1
VOUT2
TYPE3 COMPENSATION SHOWN
TYPE3 COMPENSATION SHOWN
C
SS1/EN1
R
R
103
203
R
R
3
R
R
101
201
C
202
102
R
SS2/EN2
C
C
C
PGOOD
C
103
203
202
102
C
C
101
201
VCC
R
R
R
100
200
RT
FIGURE 2. ISL6442 TYPICAL APPLICATION
COMP1
FB1
COMP2
FB2
PGOOD
RT
SS1/EN1
SS2/EN2
SGND
VCC
VCC
ISL6442
C
ISL6442
VCC
C
VIN
PGND
VIN
VIN
OCSET1
UGATE1
PHASE1
OCSET2
UGATE2
PHASE2
LGATE1
LGATE2
BOOT1
BOOT2
(FOR VIN = VCC = 5V)
LCDR
LCFB
CONNECTION
OPTIONAL
R
R
OCSET1
OCSET2
C
C
R
C
OCSET1
R
C
BOOT1
BOOT2
300
303
OCSET2
C
Q
Q
Q
Q
301
R
201
102
202
101
302
R
VIN1 = VIN
VIN2 = VIN
301
C
C
Q
IN1
IN2
301
L
L
100
200
C
OUT3
VIN3
C
VOUT1
VOUT3
October 31, 2008
IN3
VOUT2
C
C
OUT1
OUT2
FN9204.2