ISL6557ACBZ Intersil, ISL6557ACBZ Datasheet - Page 2

• Manufacturer Part Number: ISL6557ACBZ
• Description: IC CTRLR PWM MULTIPHASE 24-SOIC
• Manufacturer: Intersil

Specifications of ISL6557ACBZ

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 250kHz
• Duty Cycle: 75%
• Voltage - Supply: 4.75 V ~ 5.25 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: 24-SOIC (7.5mm Width)
• Frequency-max: 250kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block Diagram
RGND
COMP
VSEN
VID0
VID1
VID2
VID3
VID4
IOUT
FB
x 0.9
DYNAMIC
2.5V
-
+
VID
D/A
x1
2
2.1V
AND FAULT
I_TOT
+
-
+
-
OVP
UV
VDIFF
START
LOGIC
SOFT-
OC
+
-
E/A
+
-
PGOOD
I
OC
S
LATCH
∑
+
+
OV
+
ISL6557A
+
+
∑
GND
-
+
CORRECTION
CURRENT
∑
-
+
RESET (POR)
POWER-ON
∑
VCC
-
+
GENERATOR
CLOCK AND
SAWTOOTH
∑
-
NUMBER
PHASE
+
-
+
+
+
-
-
-
PWM
PWM
PWM
PWM
DETECTOR
CHANNEL
-
+
1.23V
FS
EN
PWM1
PWM2
PWM3
PWM4
ISEN1
ISEN2
ISEN3
ISEN4