The RT8204A PWM controller provides the high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high voltage batteries to generate low voltage CPU core, I/O, and chipset RAM supplies in notebook computers. The constant-on-time PWM control scheme handles wide input/output voltage ratios with ease and provides 100ns .
z PWM Controller Ultra-High Efficiency ` Resistor Programmable Current Limit by Low Side RDS(ON) Sense (Lossless Limit) or Sense Resistor (High Accuracy) ` Quick Load Step Response within 100ns ` 1% VOUT Accuracy Over Line and Load ` Adjustable 0.75V to 3.3V Output Range ` 3V to 26V Battery Input Range ` Resistor Programmable Frequency ` Over/Under Voltage Protection ` 2 Steps Current Limit During Soft-Start ` Drives Large Synchronous-Rectifier FETs ` Power Good Indicator LDO Controller ` 1.5% Accuracy Over Line and Load ` Adjustabe Output Voltage down to 0.75V ` Independent Enable and Power .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | RT8204 |
Richtek |
Single Synchronous Buck | |
2 | RT8204B |
Richtek |
Single Synchronous Buck | |
3 | RT8204L |
Richtek |
Single Synchronous Buck Controller | |
4 | RT8202 |
Richtek |
Single Synchronous Buck Controller | |
5 | RT8202A |
Richtek |
Single Synchronous Buck Controller | |
6 | RT8202B |
Richtek |
Single Synchronous Buck Controller | |
7 | RT8202L |
Richtek |
(RT8202L/M) Single Synchronous Buck Controller | |
8 | RT8202M |
Richtek |
(RT8202L/M) Single Synchronous Buck Controller | |
9 | RT8203 |
Richtek |
Main Power-Supply Controllers | |
10 | RT8205A |
Richtek |
Main Power Supply Controllers | |
11 | RT8205B |
Richtek |
Main Power Supply Controllers | |
12 | RT8205C |
Richtek |
Main Power Supply Controllers |