Datasheet Details
- Part number
- ISL78223
- Manufacturer
- Intersil
- File Size
- 605.14 KB
- Datasheet
- ISL78223-Intersil.pdf
- Description
- ZVS Full-Bridge PWM Controller
ISL78223 Description
ZVS Full-Bridge PWM Controller with Adjustable Synchronous Rectifier Control ISL78223 The ISL78223 is a high-performance zero-voltage switching (ZVS).
PIN NUMBER 1
SYMBOL VREF
2
VERR
3
CTBUF
4
RTD
5
RESDEL
6
CT
7
FB
8
RAMP
9
CS
ISL78223
ISL78223 (20 LD QSOP)
TOP VIEW
VREF 1 VERR.
ISL78223 Features
* complemented PWM outputs for synchronous rectifier (SR) control. The complemented outputs may be dynamically advanced or delayed relative to the PWM outputs using an external control voltage. This advanced BiCMOS design features precision deadtime and resonant delay control, and an oscillator adjust
ISL78223 Applications
* ZVS full-bridge converters
* Telecom and datacom power
* Wireless base station power
* File server power
* Industrial power systems
December 7, 2013 FN7936.2
FIGURE 1. BOARD LAYOUT
1
EFFICIENCY
10.0 0.95 0.90 0.85 0.80 0.75 0.70 0.65
0
VIN = 250V
VIN =
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