Renesas Electronics ISL81401AFRZ-T7A, Power Factor & PWM Controller, 40 V, 650 kHz 32-Pin, QFN

Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Single inductor 4-switch buck-boost controller
On-the-fly bidirectional operation with independent control of voltage and current on both ends
Proprietary algorithm for smoothest mode transition
MOSFET drivers with adaptive shoot-through protection
Wide input voltage range: 4.5V to 40V
Wide output voltage range: 0.8V to 40V
Supports pre-biased output with SR soft-start
Programmable frequency: 100kHz to 600kHz
Supports parallel operation current sharing with cascade phase interleaving
External sync with clock out or frequency dithering
External bias for higher efficiency supports 5V - 36V input
Output and input current monitor
Selectable PWM mode operation between PWM/DE/Burst modes
Low shutdown current: 2.7μA
Complete protection: OCP, SCP, OVP, OTP, and UVP
- Dual-level OCP protection with average current and pulse-by-pulse peak current limit
- Selectable OCP response with either hiccup or constant current mode
- Negative pulse-by-pulse peak current limit

Attribute Value
Maximum Switching Frequency 650 kHz
Start-up Supply Current 2 (Soft)µA
Maximum Source Current 1mA
Maximum Sink Current 1mA
Maximum Supply Current 6 mA
Number of Outputs 1
Mounting Type Surface Mount
Package Type QFN
Pin Count 32
Dimensions 5 x 5 x 0.9mm
Length 5mm
Width 5mm
Height 0.9mm
Minimum Operating Temperature -40 °C
Minimum Operating Supply Voltage 4.5 V
Maximum Operating Supply Voltage 40 V
Maximum Operating Temperature +125 °C
248 In stock for delivery within 2 working days
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