The RT8125F/G PWM controller provides high efficiency, excellent transient response, and high DC output accuracy needed for CPU core, I/O, and chipset RAM supplies in notebook computers. Richtek Mach ResponseTM technology is specifically designed for providing 100ns “instant-on” response to load transients while maintaining a relatively constant switching fr.
Richtek Mach ResponseTM Technology
1% High Accuracy 0.8V Reference
VCC Input Range : 4.5V to 13.2V
VOUT Operating Range : 0.3V to 3.3V
Power Stage Input Range : 1.5V to 24V
Fixed Operating Frequency : 300kHz
VIN Detection
LG_OCSET for Current Limit
PGOOD Indicator
Embedded Bootstrap Switch
High Side Gate Driver Pull Low Resistor (10kΩ)
Current Limit with Low Side Current Sense Scheme
Enable Function with Internal Pull High Current
OVP/UVP/OTP/Pre-OVP/Current Limit
Shutdown Current <100μA
RoHS Compliant and Halogen Free
Pin Configuration
(TOP VIEW)
BOOT 1 UGATE.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | RT8125E |
Richtek |
High Efficiency Single Synchronous Buck PWM Controller | |
2 | RT8125G |
Richtek |
High Efficiency Single Synchronous Buck PWM Controller | |
3 | RT8125H |
Richtek |
High Efficiency Single Synchronous Buck PWM Controller | |
4 | RT8120 |
Richtek |
Single-Phase Synchronous Buck PWM Controller | |
5 | RT8120E |
Richtek |
Single-Phase Synchronous Buck PWM Controller | |
6 | RT8120F |
Richtek |
Single-Phase Synchronous Buck PWM Controller | |
7 | RT8120G |
Richtek |
Single-Phase Synchronous Buck PWM Controller | |
8 | RT8120H |
Richtek |
Single-Phase Synchronous Buck PWM Controller | |
9 | RT8120J |
Richtek |
Single-Phase Synchronous Buck PWM Controller | |
10 | RT8120K |
Richtek |
Single-Phase Synchronous Buck PWM Controller | |
11 | RT8121 |
Richtek |
Single Phase PWM Controller | |
12 | RT8126A |
Richtek |
High Efficiency Single Synchronous Buck PWM Controller |