ISL6521CB Intersil, ISL6521CB Datasheet - Page 2

• Manufacturer Part Number: ISL6521CB
• Description: IC CONTROLLER PWM BUCK 16-SOIC
• Manufacturer: Intersil

Specifications of ISL6521CB

• Pwm Type: Voltage Mode
• Number Of Outputs: 4
• Frequency - Max: 325kHz
• Duty Cycle: 100%
• Voltage - Supply: 4.5 V ~ 5.5 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 325kHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Block Diagram
DRIVE3
DRIVE4
DRIVE2
GND
FB4
FB2
VCC
EA2
EA3
EA4
INHIBIT/SOFT-START
+
+
-
+
-
-
OSCILLATOR
0.8V
+
-
x 0.70
FB3
+
+
-
-
UV4
UV3
+
-
UV2
SOFT-START
AND FAULT
LOGIC
FB
+
-
EA1
COMP
+
-
COMP1
40µA
OCC
PWM
OCSET
+
-
+
-
RESET (POR)
POWER-ON
CONTROL
VCC
GATE
DRIVE1
VCC
DRIVE
SYNC
LGATE
PGND
UGATE
PHASE
BOOT