Product Summary

The RT8105GS is a high efficiency synchronous buck PWM controller that generates logic-supply voltages in PC based systems. The RT8105GS includes internal soft-start, frequency compensation networks and integrates all of the control, output adjustment, and monitoring and protection functions into a single package. The applications of the RT8105GS include Graphic Card, Motherboard, Desktop Servers, IA Equipments, Telecomm Equipments, High Power DC-DC Regulators.

Parametrics

RT8105GS absolute maximum ratings: (1)Supply Voltage, VCC: 16V; (2)BOOT to PHASE: 15V; (3)PHASE to GND DC: -5V to 15V; (4)<200ns: -10V to 30V; (5)BOOT to GND DC: -0.3V to VCC+15V; (6)<200ns: -0.3V to 42V; (7)UGATE: VPHASE - 0.3V to VBOOT + 0.3V; (8)LGATE: GND - 0.3V to VVCC + 0.3V; (9)Input, Output or I/O Voltage: GND-0.3V to 7V; (10)Power Dissipation, PD @ TA = 25℃ (Note 4)SOP-8: 0.625W; (11)Package Thermal Resistance SOP-8, θJA: 160℃/W; (12)Junction Temperature: 150℃; (13)Lead Temperature (Soldering, 10 sec.): 260℃; (14)Storage Temperature Range: -65℃ to 150℃; (15)ESD Susceptibility (Note 2) HBM (Human Body Mode): 2kV; (16)MM (Machine Mode): 200V.

Features

RT8105GS features: (1)Operating with 5V or 12V Supply Voltage; (2)Drives All Low Cost N-MOSFETs; (3)Voltage Mode PWM Control; (4)300kHz Fixed Frequency Oscillator; (5)Fast Transient Response: High-Speed GM Amplifier; (6)Full 0 to 100% Duty Ratio; (7)Internal Soft-Start; (8)Adaptive Non-Overlapping Gate Driver; (9)Over-Current Fault Monitor on MOSFET, No Current Sense Resistor Required; (10)Full-Time Over Voltage Protection; (11)RoHS Compliant and Halogen Free.

Diagrams

RT8105GS block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
RT8105GS
RT8105GS


IC REG CTRLR BUCK PWM VM 8-SOP

Data Sheet

0-1: $0.37
1-10: $0.33
10-25: $0.29
25-100: $0.25
100-250: $0.22
250-500: $0.19
500-1000: $0.15
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
RT8101/RT8101A
RT8101/RT8101A

Other


Data Sheet

Negotiable 
RT8101AGS
RT8101AGS


IC REG CTRLR BUCK PWM VM 8-SOP

Data Sheet

0-2500: $0.18
2500-5000: $0.17
5000-12500: $0.16
12500-25000: $0.15
25000-62500: $0.15
62500-125000: $0.15
RT8101AGSP
RT8101AGSP


IC REG CTRLR BUCK PWM VM 8-SOP

Data Sheet

0-2500: $0.18
RT8101GS
RT8101GS


IC REG CTRLR BUCK PWM VM 8-SOP

Data Sheet

0-2500: $0.18
RT8101GSP
RT8101GSP


IC REG CTRLR BUCK PWM VM 8-SOP

Data Sheet

0-2500: $0.18
RT8105
RT8105

Other


Data Sheet

Negotiable