Product Summary

The ISL6443IRZ is a high-performance Power Management IC.

Parametrics

ISL6443IRZ Parametrics:

Packaging   Tube  
Applications Power Supplies
Current - Supply 50μA
Voltage - Supply 5.6 V ~ 24 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 28-VFQFN Exposed Pad
Supplier Device Package 28-QFN Exposed Pad (5x5)
For Use With
ISL6443AEVAL2Z-ND - EVALUATION BOARD FOR ISL6443A

Features

ISL6443IRZ Features:

? Wide Input Supply Voltage Range
- Variable 5.6V to 24V
- Fixed 4.5V to 5.6V
? Three Independently Programmable Output Voltages
? Switching Frequency . . . . . . . . . . . . . . . . . . . . . . . 300kHz
? Out of Phase PWM Controller Operation
- Reduces Required Input Capacitance and Power 
Supply Induced Loads
? No External Current Sense Resistor
- Uses Lower MOSFET’s rDS(ON)
? Bidirectional Frequency Synchronization for 
Synchronizing Multiple ISL6443s
? Programmable Soft-Start
? Extensive circuit protection functions
- PGOOD
- UVLO
- Overcurrent
- Over-temperature
- Independent Shutdown for Both PWMs
? Excellent Dynamic Response
- Voltage Feed-Forward with Current Mode Control
? Pb-Free Plus Anneal Available (RoHS Compliant)

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
ISL6443IRZ
ISL6443IRZ


IC CTRLR SGL/STEP DOWN PWM 28QFN

Data Sheet

0-600: $1.78
ISL6443IRZ-T
ISL6443IRZ-T


IC CTRLR PWM DUAL 300KHZ 28-QFN

Data Sheet

0-6000: $1.40
ISL6443IRZ-TK
ISL6443IRZ-TK


IC CTRLR PWM DUAL 300KHZ 28-QFN

Data Sheet

0-1000: $1.40