ISL6553CB Intersil, ISL6553CB Datasheet - Page 2

• Manufacturer Part Number: ISL6553CB
• Description: IC PWM CORE VOLTAGE REG 16-SOIC
• Manufacturer: Intersil

Specifications of ISL6553CB

• Pwm Type: Controller
• Number Of Outputs: 1
• Frequency - Max: 1.5MHz
• 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: 16-SOIC (3.9mm Width)
• Frequency-max: 1.5MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Duty Cycle: -

Block Diagram
Simplified Power System Diagram
VID25mV
COMP
VSEN
VID3
VID2
VID1
VID0
FB
VSEN
ISL6553
VID
X1.15
X 0.9
D/A
2
PWM 1
PWM 2
AND FAULT
+
-
-
+
OVP
UV
START
LOGIC
SOFT-
GND
OC
I_TOT
+
-
+
PGOOD
E/A
-
S
LATCH
I_TRIP
OV
∑
RECTIFIED BUCK
RECTIFIED BUCK
+
+
SYNCHRONOUS
SYNCHRONOUS
+
ISL6553
CHANNEL
CHANNEL
CORRECTION
∑
CURRENT
-
+
RESET (POR)
POWER-ON
∑
VCC
GENERATOR
CLOCK AND
-
SAWTOOTH
+
+
-
-
PWM
PWM
MICROPROCESSOR
THREE
STATE
FS/EN
PWM1
PWM2
ISEN1
ISEN2