ISL6551IB Intersil, ISL6551IB Datasheet - Page 22
ISL6551IB
Manufacturer Part Number
ISL6551IB
Description
IC CNTRLR PWM FULL BRIDGE 28SOIC
Manufacturer
Intersil
Datasheet
1.ISL6551IBZ.pdf
(26 pages)
Specifications of ISL6551IB
Pwm Type
Current Mode
Number Of Outputs
6
Frequency - Max
1MHz
Duty Cycle
50%
Voltage - Supply
10.8 V ~ 13.2 V
Buck
No
Boost
No
Flyback
Yes
Inverting
No
Doubler
No
Divider
No
Cuk
No
Isolated
No
Operating Temperature
0°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Frequency-max
1MHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ISL6551IB
Manufacturer:
HARRIS
Quantity:
66
Company:
Part Number:
ISL6551IB
Manufacturer:
INTERSIL
Quantity:
18
Company:
Part Number:
ISL6551IB
Manufacturer:
INTERSIL
Quantity:
18
Part Number:
ISL6551IB
Manufacturer:
HAR
Quantity:
20 000
Company:
Part Number:
ISL6551IBZ
Manufacturer:
JRC
Quantity:
1 032
Primary FET Drivers
(1) PUSH-PULL DRIVERS
Push-Pull Medium Current Drivers - Upper drivers are not
used. No external drivers are required. Secondary control.
Operate at the switching frequency.
Push-Pull High Current Drivers - Upper drivers are not
used. External high current drivers are required and less
power is dissipated in the ISL6551 controller. Secondary
control. Operate at the switching frequency.
Push-Pull Primary Control - Upper drivers are not used.
Both lower drivers can directly drive the power switches.
External drivers are required in high gate capacitance
applications.
FIGURE 23A. PUSH-PULL MEDIUM CURRENT DRIVERS
LOWER1
LOWER2
22
FIGURE 23C. PUSH-PULL PRIMARY CONTROL
Q3_S
Q4_S
Q3_G
Q4_G
LOWER2
LOWER1
PGND
ISL6551
HIP2100IB
HI
LI
VSS
LOWER1
LOWER2
HO
HS
LO
FIGURE 23B. PUSH-PULL HIGH CURRENT DRIVERS
Q3_S
Q3_G
Q4_G
Q4_S
VSS
HI
LI
HIP2100IB
HO
HS
LO
January 3, 2006
FN9066.5
Q3_G
Q3_S
Q4_G
Q4_S