Datasheet Details
- Part number
- ISL78225
- Manufacturer
- Renesas ↗
- File Size
- 1.22 MB
- Datasheet
- ISL78225-Renesas.pdf
- Description
- 4-Phase Interleaved Boost PWM Controller
ISL78225 Description
DATASHEET ISL78225 4-Phase Interleaved Boost PWM Controller with Light Load Efficiency Enhancement FN7909 Rev 4.00 September 5, 2014 The ISL78225 4.
PIN # 1 2 3 4 5
6 7 8 9
10 11
SYMBOL FS SS
COMP FB
VREF2
GND SLOPE PLL_COMP SYNC
CLK_OUT PWM_INV
DESCRIPTION
A resistor placed from FS to ground w.
ISL78225 Features
* Peak current mode PWM control with adjustable slope compensation
* Precision resistor/DCR current sensing
* 2-, 3- or 4-phase operation
* Adjustable phase dropping/diode emulation/pulse skipping
for high efficiency at light load
* Phase dropping facilitated
ISL78225 Applications
* where high efficiency (>95%) and high power are required. The multiphase boost converter architecture uses interleaved timing to multiply channel ripple frequency and reduce input and output ripple. Lower ripple results in fewer input/output capacitors and therefore lower component cost and smaller
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